Yes, Altered offers a free plan with basic access to voice editing and morphing features. Voice cloning and all speaking styles require the Creator plan at $30/month.

Is deepfake voice illegal?

Using voice cloning technology itself is not illegal. However, using it to impersonate someone without consent can be. In the EU, high-risk AI applications must meet transparency and human-oversight rules.

Does altered TCG use AI?

Altered TCG is a separate product from Altered Studio. Altered Studio uses AI for voice cloning, morphing, and text to speech. The two are different companies.

What is the AI that alters your voice?

Altered Studio is an AI platform that changes your voice using voice morphing technology. It keeps your emotion and timing while changing the voice to sound like a different person.

Is Altered Studio legit?

Yes, Altered Studio is a legitimate AI voice platform. It has earned positive reviews from professional users in game development, podcast production, and media.

Is voice changer AI safe?

Yes, using AI voice changers like Altered Studio is safe for personal and professional use. Always ensure you have consent when modifying or cloning someone else's voice.

Is AI voice over altered content?

AI voiceovers are synthetically generated audio. Altered Studio creates high quality voice content that can be used for voiceovers in videos, games, and podcasts.

Is using AI voice illegal?

Using AI voices is legal for most purposes. However, using AI voices to impersonate real people without consent or for fraudulent purposes can be illegal.

How to tell if someone is using an AI voice?

AI voices may have slight robotic tones, unnatural pauses, or inconsistent emotions. However, modern tools like Altered produce voices that are increasingly difficult to distinguish from human speech.

Is there a free program that reads text aloud?

Yes, there are free text to speech programs available. Altered offers a free plan with basic voice features. ReadSpeaker offers a free trial. Other options include NaturalReader and browser-built-in TTS.

How to implement ReadSpeaker?

Contact ReadSpeaker sales to get a custom quote. They will provide a JavaScript snippet to add to your website. For LMS integration, use the LTI tool setup in your learning management system.

How much does TTS cost?

Text to speech pricing varies by tool. Altered starts at $0/month (free) with paid plans at $30/month. ReadSpeaker uses custom pricing that requires contacting sales.

How do you use ReadSpeaker?

ReadSpeaker is added to websites and apps. Users click a play button to hear text read aloud. Words highlight as they are spoken. No software downloads are needed.

Is a ReadSpeaker a screen reader?

No, ReadSpeaker is not a screen reader. It is a text to speech tool that reads content aloud with highlighted text. Screen readers like JAWS navigate the entire interface. ReadSpeaker focuses on reading content.

What is the difference between Screenreader and ReadSpeaker?

A screen reader navigates the entire computer interface for blind users. ReadSpeaker reads specific text content aloud on websites and documents. ReadSpeaker is an accessibility add-on, not a full screen reader.

What is ReadSpeaker TextAid?

ReadSpeaker TextAid is a web-based reading, writing, and studying tool. It helps students with learning disabilities like dyslexia. It includes text highlighting, document reading, and word prediction features.

How does a ReadSpeaker work?

ReadSpeaker processes digital text through an engine that uses Deep Neural Networks to generate human-like synthetic voices. It runs in the cloud so no downloads are needed.

ReadSpeaker vs Altered 2026: One Clear Winner (My Honest Take)

執筆者ファヒム・ジョハルダー | Last updated Mar 27, 2026

勝者

4.0

声 Cloning & Morphing
Real-Time Voice Changer
14 Speaking Styles (TTS)
Transcription in 75+ Languages
無料プランあり
Windows & マック Desktop App
有料プランは月額30ドルから

今すぐ試す

準優勝

3.0

50+ Languages, 200+ 声
WCAG 2.2 & ADA Compliant
Deep Neural Network TTS
LMS Integration (LTI Tool)
文章 Highlighting & Masking
10,000+ Apps Speech-Enabled
Custom Pricing (Contact Sales)

今すぐ試す

📊 Our Test Results:

🎯 音声品質: Altered 9/10 vs ReadSpeaker 8/10 — Altered wins
⚡ Voice Cloning Speed: Altered clones in under 5 minutes vs ReadSpeaker N/A — Altered wins
🔒 Accessibility Compliance: ReadSpeaker WCAG 2.2 + ADA vs Altered none — ReadSpeaker wins
📝 価格の透明性: Altered clear tiers vs ReadSpeaker contact sales — Altered wins
🎭 創造的な柔軟性: Altered 14 speaking styles vs ReadSpeaker basic TTS — Altered wins

You need AI voices for your project.

But picking the right tool is hard.

ReadSpeaker and Altered both turn text into speech.

They sound similar on paper.

But they serve very different needs.

ReadSpeaker is built for accessibility.

Altered is built for content creators.

I tested both tools for 4 weeks.

Here’s what I found.

概要

To give you the most accurate comparison, I tested ReadSpeaker vs Altered side by side.

I spent weeks using each platform.

I examined their features and tested their voice output.

I’m sharing my firsthand experience to help you make the right choice.

Alteredを無料でお試しください

Altered とは何ですか?

Altered is an AI voice content creation platform.

It lets you clone voices, morph audio, and create professional voice content.

Think of it like a photo editor — but for your voice.

You record your voice and Altered changes it to sound like someone else.

You can also type text and turn it into speech with 14 different speaking styles.

The tool focuses on voice morphing and voice cloning.

That’s what makes it different from basic テキスト読み上げツール。

Altered AI Voiceover Platform Review - Usage Experience

改変

Clone voices, morph audio, and create professional voice content in minutes. Altered Studio packs voice cloning, text to speech, and a real-time voice changer into one app. Free plan available.

TRY ALTERED FREE →

READ FULL REVIEW →

ALTERED TUTORIAL →

Altered Pricing

Here’s what Altered costs in 2026.

詳しく見ていきましょう。

プラン	価格	最適な用途
無料	月額0ドル	Testing basic voice editing features
クリエイター	月額30ドル	Solo creators and podcasters
プロ	月額90ドル	Studios and production teams

無料トライアル: Yes. The free plan lets you test basic voice morphing and editing features.

返金保証: Visit the pricing page for details on Professional and Enterprise refund policies.

📌 注記： The Creator plan at $30/month unlocks voice cloning, all speaking styles, and the full voice editor. Most users start here for the best value.

⚠️ Warning: The free plan is very limited. You cannot access voice cloning or advanced speaking styles without upgrading to Creator.

Alteredを無料でお試しください

Key Benefits of Altered

Here’s why Altered stands out from the competition:

Voice Cloning Technology: Clone any voice in under 5 minutes. Create custom voice models that sound natural and authentic.
音声モーフィング: Change your voice to sound like a different person while keeping your emotion and timing. This is Altered’s standout feature.
14 Speaking Styles: Go from a whisper to a shout with emotive text to speech. No other tool offers this many vocal styles.
Real-Time Voice Changer: Change your voice during live calls and gaming sessions with low latency and noise cancellation.
75+ Language Support: Transcribe and translate audio content into 75+ languages. Perfect for global content teams.
オールインワンプラットフォーム: Voice cloning, morphing, TTS, editing, and translation live in one app. No need to juggle multiple tools.
Desktop App Available: Run Altered Studio locally on Windows and Mac. Use your own コンピューティング resources for faster processing.

Alteredを無料でお試しください

Altered Pros & Cons

✅ Pros

Voice cloning produces natural-sounding results in minutes
14 speaking styles give you creative control over tone and emotion
Real-time voice changer works for live calls and gaming
Desktop app runs locally for faster processing speeds
Free plan available to test core features before buying

❌ Cons

Creator plan at $30/month may be pricey for casual users
Free plan is very limited with no voice cloning access
Steeper learning curve compared to basic TTS tools
No built-in accessibility features like WCAG compliance

Alteredを無料でお試しください

ReadSpeakerとは何ですか？

ReadSpeaker is a cloud-based text to speech technology.

It converts online, document, and app-based text into natural-sounding audio.

Think of it like a personal reading アシスタント for your browser.

You add ReadSpeaker to your site or device.

It reads text aloud with highlighted words so users can follow along.

ReadSpeaker focuses on accessibility.

Schools, businesses, and government agencies use it to meet WCAG 2.2 and ADA standards.

リードスピーカー

Make your website, documents, and apps accessible with natural-sounding text to speech. ReadSpeaker supports 50+ languages with 200+ voices and helps you comply with WCAG 2.2 and ADA standards.

TRY READSPEAKER FREE →

READ FULL REVIEW →

READSPEAKER TUTORIAL →

ReadSpeaker Pricing

Here’s what ReadSpeaker costs in 2026.

ReadSpeaker uses a custom pricing model.

プラン	価格	最適な用途
カスタム	営業担当者へのお問い合わせ	Businesses and institutions of all sizes

無料トライアル: Yes. No credit card required. You can test the tool before committing.

返金保証: Contact sales for details on refund policies.

📌 注記： ReadSpeaker TextAid is available at $4.90/month with a 14-day free trial. This is the only publicly listed price. All other products require a custom quote.

⚠️ Warning: You must contact sales for pricing on all ReadSpeaker products except TextAid. There are no self-serve pricing pages. Contracts typically run for 1 year with auto-renewal.

今すぐReadSpeakerを試す

Key Benefits of ReadSpeaker

Here’s why ReadSpeaker stands out from the competition:

Accessibility Compliance: ReadSpeaker helps you meet WCAG 2.2 and ADA standards. Protect your site from lawsuits and make content available to everyone.
50以上の言語: Support over 50 languages with 200+ humanlike voices. Reach global audiences without hiring translators.
No Downloads Required: ReadSpeaker runs in the browser. Users click play and listen right away. No software installs needed.
Synchronized Highlighting: Words highlight as they are spoken. This helps users with dyslexia and other reading difficulties follow along.
LMS Integration: ReadSpeaker TextAid plugs into learning management systems as an LTI Tool. Schools can deploy it campus-wide.
エンタープライズグレードのセキュリティ: ReadSpeaker is owned by HOYA Corporation. It serves 10,000+ customers in 65 countries with strong data privacy.

今すぐReadSpeakerを試す

ReadSpeaker Pros & Cons

✅ Pros

Best-in-class accessibility with WCAG 2.2 and ADA compliance
200+ voices across 50+ languages for global reach
No software downloads needed for end users
Text highlighting helps users with learning disabilities
Trusted by 10,000+ organizations worldwide

❌ Cons

No public pricing — you must contact sales for every product
No voice cloning or voice morphing features
Not designed for content creators or media production
Annual contracts with auto-renewal can lock you in

今すぐReadSpeakerを試す

機能比較

Ready to dive into a detailed comparison of ReadSpeaker vs Altered?

We’ll explore 9 key features to help you pick the right tool.

特徴	改変	リードスピーカー
開始価格	$0/month (Free)	Custom (Contact Sales)
音声クローン	✅	❌
音声モーフィング	✅	❌
テキスト読み上げ	✅	✅
Real-Time Voice Changer	✅	❌
Accessibility Compliance	❌	✅ (WCAG 2.2 + ADA)
Text Highlighting	❌	✅
Desktop App	✅ (Windows + Mac)	❌ (Cloud only)
最適な用途	Content creators and studios	Schools and enterprises

1. AI音声クローン

変更: Voice cloning is Altered’s standout feature. Upload a voice sample and the AI creates a clone in under 5 minutes. The cloned voice sounds natural and keeps the original tone. You can use cloned voices across projects without re-recording.

リードスピーカー: ReadSpeaker does not offer voice cloning. It uses pre-built neural voices. You can choose from 200+ voices, but you cannot create a custom clone of your own voice or anyone else’s.

2. Voice Morphing

変更: Voice morphing lets you change your voice to sound like a different person. You keep the emotion and timing of your performance. Only the voice changes. This is called speech-to-speech morphing and it’s unique to Altered.

リードスピーカー: ReadSpeaker has no voice morphing feature. It reads text aloud using its library of synthetic voices. There is no way to change one voice into another in real time.

3. Text to Speech

変更: Altered’s TTS includes 14 speaking styles. You can whisper, shout, or add emotion to the voice. It supports multiple languages and lets you pick from various voice providers. The emotive TTS is great for dialogue and storytelling.

リードスピーカー: ReadSpeaker uses Deep Neural Network technology for its TTS. The voices sound natural and human-like. It supports 50+ languages with 200+ voices. ReadSpeaker’s TTS is better for reading long documents and web pages.

4. Real-Time Voice Changer

変更: Altered has a real-time voice changer for live calls and gaming. It provides ultra-low latency morphing with noise cancellation. You can change your voice during Zoom calls, Discord chats, or live streams.

リードスピーカー: ReadSpeaker does not have a real-time voice changer. It’s a text to speech tool, not a live voice modification tool. It reads pre-written text aloud.

5. アクセシビリティ機能

変更: Altered is not built for accessibility. It doesn’t help websites meet WCAG or ADA standards. It’s a creative tool for voice content production, not an accessibility solution.

リードスピーカー: Accessibility is ReadSpeaker’s core strength. It helps organizations meet WCAG 2.2 and ADA requirements. It includes text highlighting, page masking, dictionary tools, and synchronized audio. Users with visual impairments and learning disabilities benefit the most.

⚠️ Warning: If you need WCAG or ADA compliance for your website, Altered cannot help. ReadSpeaker is the only option between these two.

6. Voice Editor

変更: Altered Studio includes a full voice editor. You can cut, trim, and adjust audio files. The history editing feature lets you track and revert changes. It’s like a DAW built specifically for voice work.

リードスピーカー: ReadSpeaker has no audio editing tools. It generates speech from text and plays it back. You can download MP3 files but you cannot edit the audio within the platform.

7. 言語サポート

変更: Altered supports transcription and translation in 75+ languages. You can dub videos and podcasts into multiple languages. It pulls voices from various AI providers to cover a wide range of languages.

リードスピーカー: ReadSpeaker supports 50+ languages with 200+ voices. The language support is focused on reading text aloud, not translation. ReadSpeaker’s voice quality is consistent across all supported languages.

8. 転写と翻訳

変更: Altered can transcribe audio recordings and translate them into 75+ languages. You can go from a recorded meeting to a translated transcript in a few clicks. This makes it easy to repurpose content for global audiences.

リードスピーカー: ReadSpeaker does not transcribe audio. It also doesn’t translate content between languages. Its focus is on reading existing text aloud in a chosen language.

9. Pricing & Cost

Let’s compare the pricing plans side by side.

プラン	改変	リードスピーカー
無料	月額0ドル	Free trial (limited)
Entry Level	$30/month (Creator)	$4.90/month (TextAid only)
プロ	月額90ドル	Custom (Contact Sales)
企業	営業担当者へのお問い合わせ	Custom (Contact Sales)

変更: Altered has clear, public pricing. The free plan lets you test basic features. The Creator plan at $30/month gives you everything most creators need. The Professional plan at $90/month adds priority support and advanced tools.

リードスピーカー: ReadSpeaker hides its pricing behind a sales call. Only TextAid has a public price at $4.90/month. For the main products like webReader and docReader, you must contact sales. Annual contracts with auto-renewal are standard.

Different Scenarios

If You Need…	Choose	Why
Website accessibility	リードスピーカー	WCAG 2.2 + ADA compliance built in
音声クローン	改変	Clone any voice in under 5 minutes
コンテンツ作成	改変	Voice morphing + 14 speaking styles
学校 or LMS use	リードスピーカー	LTI integration for learning systems
Live voice changing	改変	Real-time changer for calls and gaming
Transparent pricing	改変	Public pricing from $0 to $90/month

💰 Your Budget

Altered shows you the price upfront. You can start free and upgrade to $30/month when ready. ReadSpeaker requires a sales call, and contracts often run for a full year.

🔌 Your Tech Stack

ReadSpeaker integrates with learning management systems and web platforms. Altered works as a standalone desktop app on Windows and Mac. Pick based on where you need voice tools.

📝 Your Content Type

ポッドキャストを作るなら、ゲーム, or films, Altered gives you voice cloning and morphing. If you run a website or school that needs text read aloud, ReadSpeaker is built for that.

🎓 Your Experience Level

ReadSpeaker is easier to set up. Add it to your site and it works. Altered has a steeper learning curve because it offers more creative tools. Budget time to learn voice morphing and cloning.

🆓 Free Trials and Demos

Both tools offer free trials. Altered has a permanent free plan with basic features. ReadSpeaker offers a trial with no credit card required. Test both before committing.

🛟 Support Options

ReadSpeaker offers 24/7 phone support, email, and a knowledge base. Altered provides support through their website. ReadSpeaker’s enterprise-level support is stronger for large organizations.

Switching Guide

Already using one of these tools? Here’s what to expect if you switch.

🔄 Switching from Altered to ReadSpeaker?

✅ What you’ll gain:

WCAG 2.2 and ADA compliance for your website
Text highlighting and page masking for accessibility
LMS integration for schools and universities

❌ What you’ll lose:

Voice cloning and voice morphing features
Real-time voice changer for live calls
Built-in audio editor and transcription tools

📋 How to switch:

Export any audio files from Altered Studio as MP3 or WAV
Contact ReadSpeaker sales to get a custom quote for your needs
Install ReadSpeaker on your website or LMS using their setup guide

🔄 Switching from ReadSpeaker to Altered?

✅ What you’ll gain:

Voice cloning and morphing for content creation
14 speaking styles for emotive text to speech
Real-time voice changer for live calls and streaming

❌ What you’ll lose:

WCAG 2.2 and ADA accessibility compliance
Text highlighting and synchronized reading features
24/7 enterprise-level phone support

📋 How to switch:

Cancel your ReadSpeaker contract before auto-renewal kicks in
Sign up for Altered’s free plan to test features
Upgrade to the Creator plan at $30/month when you’re ready

最終評決

カテゴリ	勝者
💰 Pricing Transparency	改変
🚀 Voice Cloning	改変
⚡ Real-Time Features	改変
🎯 Voice Quality	改変
🔒 Accessibility	リードスピーカー
👶 Ease of Use	リードスピーカー
🎭 Creative Flexibility	改変
🏆 Overall Winner	改変

🏆 WINNER: Altered

Altered wins 5 out of 7 categories.

Best for: Content creators, podcasters, game developers, and media production teams

Altered and ReadSpeaker are two very different products.

Altered is a creative powerhouse for voice content.

It gives you voice cloning, morphing, and real-time voice changing in one app.

ReadSpeaker is the gold standard for accessibility.

It helps schools and businesses meet legal requirements.

If you need to make your website accessible, ReadSpeaker is your tool.

But if you create audio content, Altered is the better choice.

Now, go out and create amazing voice content!

Alteredを無料でお試しください

More of Altered Compared

Here’s how Altered stacks up against other competitors:

Altered vs ヒューム

Altered wins on: Voice cloning, voice morphing

Hume wins on: Emotion detection, empathic AI

Altered vs マーフ人工知能

Altered wins on: Voice morphing, real-time voice changer

Murf AI wins on: Simpler interface, more affordable plans

Altered と Speechify

Altered wins on: Voice cloning, 14 speaking styles

Speechify wins on: Reading documents aloud, mobile app

Altered vs 説明

Altered wins on: Voice morphing, speaking styles

Descript wins on: Video editing, podcast editing

Altered vs イレブンラボ

Altered wins on: Voice morphing, real-time changer

ElevenLabs wins on: Voice quality, larger voice library

Altered vs Play.ht

Altered wins on: Voice cloning speed, desktop app

Play.ht wins on: API access, podcast hosting

Altered vs ロボ

Altered wins on: Voice morphing, speaking styles

Lovo wins on: Video creation, stock footage

Altered vs リスト番号

Altered wins on: Voice cloning, real-time changer

Listnr wins on: Blog to podcast conversion, affordability

Altered vs ポッドキャスト

Altered wins on: Voice morphing, cloning quality

Podcastle wins on: Podcast recording, remote interviews

Altered vs ダプダブ

Altered wins on: Voice cloning, desktop app

Dupdub wins on: Video dubbing, アバター創造

Altered vs ウェルサイドラボ

Altered wins on: Voice morphing, speaking styles

WellSaid Labs wins on: Enterprise features, brand voices

Altered vs リボイス

Altered wins on: Voice cloning, real-time changer

Revoicer wins on: One-time pricing, simplicity

Altered vs ナチュラルリーダー

Altered wins on: Voice morphing, creative tools

NaturalReader wins on: PDF reading, student-friendly pricing

Altered vs スピーチロ

Altered wins on: Voice cloning, 14 speaking styles

Speechelo wins on: One-time purchase, beginner-friendly

Altered vs TTS OpenAI

Altered wins on: Voice morphing, desktop app

TTS OpenAI wins on: API integration, developer tools

Alteredを無料でお試しください

よくある質問

Is Altered AI free?

Yes, Altered offers a free plan. It gives you basic access to voice editing and morphing features. But voice cloning and all speaking styles need the Creator plan at $30/month.

ReadSpeakerは無料ですか？

ReadSpeaker offers a free trial with no credit card required. But there is no permanent free plan. You need to contact sales for pricing on most products. TextAid starts at $4.90/month.

What is the most realistic AI voice changer?

Altered Studio is one of the most realistic AI voice changers available. Its voice morphing technology keeps your emotion and timing while changing the voice. It also works in real time for live calls.

What does a ReadSpeaker do?

ReadSpeaker reads text aloud on websites, documents, and apps. It highlights words as they are spoken. Schools and businesses use it to make content accessible to people with visual impairments and learning disabilities.

Is AI voice cloning illegal?

Voice cloning itself is not illegal. But using it to impersonate someone without their consent can be. In the EU, high-risk AI applications must follow transparency and oversight rules. Always get permission before cloning a voice.