📊 Our Test Results:
- 🎯 Voice Cloning Quality: Altered cloned a voice in 5 minutes vs Revoicer (Pro only, limited cloning) — Altered wins
- ⚡ Emotion Controls: Revoicer offers cheerful, sad, angry tones vs Altered’s 14 speaking styles — Altered wins
- 🔒 Real-Time Voice Changing: Altered has live voice morphing for calls vs Revoicer (no real-time) — Altered wins
- 📝 Beginner Friendliness: Revoicer’s 3-step process vs Altered’s steeper learning curve — Revoicer wins
- 💰 無料プラン: Altered offers a free plan vs Revoicer (no free plan) — Altered wins
You need AI voices that sound real. Not flat. Not robotic.
Two popular tools promise exactly that: Revoicer and Altered.
Revoicer is a 文章 to speech app built for quick voice overs with real human emotions.
Altered is a voice content creation platform designed for media production and voice cloning.
Both tools turn text into speech. But they work very differently.
I tested both for weeks. Here’s exactly how they compare.
概要
To give you the most accurate comparison, I tested Revoicer vs Altered side by side.
I created voice overs for YouTube scripts, ポッドキャスト intros, and sales videos using both tools.
I compared voice quality, speed, pricing, and ease of use across real projects.
Here’s my firsthand experience to help you pick the right AI音声ジェネレータ.
Altered とは何ですか?
Altered is an AI voice content creation platform built for audio storytelling and media production.
It combines voice cloning, voice morphing, text to speech, and a real time voice changer in one app.
Think of it like a photo editor for your voice. You record audio. Altered transforms it into any character or style.
The platform was designed by a former Google speech scientist. It packs multiple voice AI technologies into a single tool.
改変
Altered Studio is a professional voice AI platform with voice cloning, morphing, and 14 speaking styles. Built for podcasters, game developers, and film producers who need studio-quality voice content fast.
Altered Pricing
Here’s what Altered costs in 2026. Let’s break it down.
| 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 needing voice cloning |
| プロ | 月額90ドル | Studios and production teams |
無料トライアル: Yes. Altered offers a free plan with basic voice editing features. You can also sign up for a free trial of the Creator plan.
返金保証: For Professional or Enterprise plans, check the pricing page on Altered’s website for refund details.
📌 注記： The Creator plan at $30/month gives you voice cloning, voice morphing, text to speech, and the voice editor. Most competitors charge more for fewer features.
⚠️ Warning: The free plan is very limited. You need the Creator plan ($30/month) to access voice cloning and all speaking styles.
Key Benefits of Altered
Here’s why Altered stands out from the competition:
- Voice Cloning Technology: Clone any voice with a short sample. The AI creates a digital copy you can use for any script. Great for brands that want a consistent vocal identity.
- 音声モーフィング: Record your own voice, then change it to sound like a different person. You keep your emotion and timing. Only the voice changes.
- 14 Speaking Styles: Go from whispering to shouting. The emotive text to speech covers 14 different styles for flexible voice performances.
- Real-Time Voice Changer: Change your voice during live calls or gaming sessions. The ultra-low latency morphing works on communication platforms in real time.
- AI音声クリーナー: Remove background noise from recordings with one click. No need for a professional studio setup.
- Transcription and Translation: Transcribe audio and translate content into multiple languages. Perfect for global content creators.
Altered Pros & Cons
✅ Pros
- Voice cloning produces high quality results from short samples
- Real-time voice changer works for live calls and gaming
- 14 speaking styles give you creative flexibility
- Free plan available to test basic features before paying
- All-in-one platform replaces multiple audio tools
❌ Cons
- Steeper learning curve than basic text to speech tools
- Creator plan at $30/month may be too much for casual users
- Free plan has very limited functionality
- Voice library is smaller than some competitors like イレブンラボ
Reviocer とは何ですか?
Revoicer is a text to speech app that turns your written words into human sounding voiceovers.
It uses emotion-based AI speech to make voice overs sound cheerful, sad, angry, or excited.
The Revoicer voice synthesizer AI was built for content creators, marketers, and educators who need quick audio content.
You type your script. Pick an AI voice. Hit generate. In about one minute, you get a finished voiceover.
リボイス
Revoicer is an AI voice generator with real human emotions. Create voice overs for ユーチューブ, podcasts, and sales videos in just a few clicks. Over 80 voices in 40+ languages with male, female, and kid voice options.
Revoicerの価格
Here’s what Revoicer costs in 2026. Let’s break it down.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| リボイス標準 | 月額37ドル | Solo creators needing basic voiceovers |
| Revoicer Pro | 月額47ドル | Creators wanting voice cloning and 250+ voices |
| リボイスエージェンシー | 月額127ドル | Agencies handling multiple client projects |
無料トライアル: No. Revoicer does not offer a free plan or free trial. You must pay before testing.
返金保証: Yes. Revoicer provides a 60-day no-questions-asked refund guarantee on all plans.
📌 注記： Revoicer also offers a one-time payment deal at $67 for the Standard plan. This gives you lifetime access and saves money compared to monthly billing.
⚠️ Warning: Some users report hidden costs. After paying the full price, you may need to buy extra credits to keep using core features. Check the terms carefully before buying.
Key Benefits of Revoicer
Here’s why Revoicer stands out from the competition:
- Emotion-Based AI Voices: Make your AI voices sound cheerful, sad, angry, or excited. This adds depth that most AI voice 発電機 miss. The voice emotions feature is the standout.
- 80+ Voice Options: Choose from male, female, and kid voices. Each voice has different tones and accents to match your project.
- Multiple English Accents: Revoicer features multiple English accents like American, British, Australian, Irish, and South African. Great for targeting specific audiences.
- Speed and Pause Controls: Adjust speech speed and add pauses to emphasize specific words. You can build tension or convey sophistication with just a few clicks.
- Fast Generation: Get a complete voiceover in about one minute. Much faster than hiring human voiceover artists or recording yourself.
- バックグラウンドミュージック: The Pro and Agency plans let you add background music directly to your voice overs. No separate editing tool needed.
Revoicer Pros & Cons
✅ Pros
- Emotion-based voices sound more natural than flat AI speech
- Very beginner-friendly with a simple 3-step process
- One-time payment option at $67 saves money long term
- 60-day money-back guarantee reduces risk
- Multiple English accents for global content
❌ Cons
- No free plan or free trial available
- Some AI voices still sound robotic in certain languages
- Monthly pricing is higher than many alternatives
- No real-time voice changing 能力
機能比較
Ready to see how Revoicer and Altered compare feature by feature?
We’ll break down 10 key areas to help you pick the right AI voice tool.
| 特徴 | 改変 | リボイス |
|---|---|---|
| 開始価格 | $0/month (Free) | 月額37ドル |
| 無料プラン | ✅ | ❌ |
| 音声クローン | ✅ | ✅ (Pro only) |
| Real-Time Voice Changer | ✅ | ❌ |
| 音声モーフィング | ✅ | ❌ |
| Emotion Controls | ✅ (14 styles) | ✅ (cheerful, sad, angry) |
| テキスト読み上げ | ✅ | ✅ |
| Background Music | ❌ | ✅ (Pro+) |
| 言語サポート | 複数 | 40+ languages |
| 最適な用途 | Media production & voice acting | Quick voiceovers with emotions |
1. 音声クローン
変更: Voice cloning is a core feature of Altered Studio. You provide a short voice sample. The AI creates a digital copy you can use for any script. The voice cloning technology produces high quality results that sound like the original speaker.
リボイスャー: Voice cloning is only available on the Pro plan ($47/month) and higher. The cloning feature is more limited compared to Altered. It works best for creating a consistent brand voice across projects.
2. Voice Morphing
変更: Voice morphing is what makes Altered different. You record your voice. Altered changes it to sound like someone else. You keep the emotion and timing. Only the voice identity changes. This is perfect for voice acting and character creation.
リボイスャー: Revoicer does not offer voice morphing. It focuses on text to speech only. You type text and choose a voice. There’s no way to record your voice and transform it into a different character.
3. Text-to-Speech Quality
変更: Altered offers premium text to speech with an extensive voice library. The speaking style feature lets you switch between 14 different vocal performances. You can go from a whisper to a shout within the same project.
リボイスャー: Revoicer’s text to speech uses a Neural-Emotion AI engine. It creates AI voices with real human emotions like cheerful, sad, angry, and excited tones. The voice quality depends on the language and text complexity.
4. Real-Time Voice Changing
変更: Altered has a real-time voice changer that works during live calls and gaming sessions. The ultra-low latency morphing provides realistic voice changes with effective noise cancellation. It works on diverse communication platforms.
リボイスャー: Revoicer has no real-time voice changing feature. It only works as a text to speech tool. You type text, generate audio, then download the file. There’s no live voice transformation option.
⚠️ Warning: If you need to change your voice during live calls or gaming, Revoicer cannot help. Altered is the only option here.
5. Emotion and Speaking Styles
変更: Altered offers 14 speaking styles including whispering, shouting, and normal conversation. The emotive text to speech gives you flexible control over voice performances. Each style changes how the AI delivers your script.
リボイスャー: Revoicer focuses on voice emotions like cheerful, sad, angry, and excited. You can also adjust speech speed and add pauses to emphasize specific words. The emotion controls are simpler but very effective for quick projects.
6. Voice Library Size
変更: Altered Studio includes a portfolio of TTS voices and lets you create custom voice models. The library focuses on quality over quantity. You can also clone any voice to add to your collection.
リボイスャー: Revoicer offers 80+ AI voices on Standard and 250+ voices on Pro. It includes male, female, and kid voices with multiple accents. The voice library is one of the largest in this price range.
7. Audio Editing Tools
変更: Altered is a full audio editor. You can edit voice recordings, clean up background noise, and morph voices. The history editing feature lets you track and revert to previous versions of your audio project.
リボイスャー: Revoicer is not an audio editor. It generates voice overs from text. You can preview and download audio files. But you cannot edit existing recordings or clean up noise inside the app.
8. Language and Accent Support
変更: Altered supports multiple languages and offers transcription and translation features. You can translate content into different languages directly within the platform. The language support is growing but not as wide as Revoicer.
リボイスャー: Revoicer supports 40+ languages on Standard and 50+ on Pro. It features multiple English accents including American, British, Australian, Irish, and UK. The language support is one of its strongest features.
9. 使いやすさ
変更: Altered Studio has more features. That means a steeper learning curve. The interface is well designed. But beginners may need time to learn voice morphing, cloning, and the editor tools.
リボイスャー: Revoicer has a very user friendly interface. You type text, pick a voice, and click generate. That’s it. The simple 3-step process makes it perfect for beginners who just need quick voice overs.
10. Pricing & Cost
Let’s compare the pricing plans side by side.
| プラン | 改変 | リボイス |
|---|---|---|
| 無料 | 月額0ドル | ❌ |
| Entry Level | $30/month (Creator) | $37/month (Standard) |
| Mid Tier | $90/month (Professional) | $47/month (Pro) |
| Agency/Enterprise | 営業担当者へのお問い合わせ | $127/month (Agency) |
変更: The free plan lets you test basic features before paying. The Creator plan at $30/month is $7 cheaper than Revoicer’s Standard plan. But the Professional plan jumps to $90/month, which is pricey for solo creators.
リボイスャー: No free plan. Standard starts at $37/month. But the one-time payment deal at $67 makes it a steal for long-term users. The Pro plan at $47/month gives you 250+ voices and voice cloning.
Different Scenarios
| If You Need… | Choose | Why |
|---|---|---|
| Voice cloning for brand content | 改変 | Built-in cloning on Creator plan |
| Quick YouTube voiceovers | リボイス | Simple 3-step generation |
| リアルタイムの音声変更 | 改変 | Live morphing for calls/gaming |
| Emotion-based AI voices | リボイス | Cheerful, sad, angry tones |
| Free plan to test first | 改変 | 無料プランあり |
| One-time lifetime deal | リボイス | $67 one-time payment option |
| Full audio editing suite | 改変 | All-in-one voice editor |
💰 Your Budget
Altered’s free plan lets you test before paying. Revoicer has no free option but offers a $67 one-time deal. If you want the cheapest paid plan, Altered Creator at $30/month beats Revoicer Standard at $37/month.
🔌 Your Tech Stack
Both tools are web-based. No downloads needed. Altered offers a text-to-voice API for developers. Revoicer’s audio files work with any video editing software.
📝 Your Content Type
For YouTube videos, podcasts, and sales videos, Revoicer is faster and simpler. For game development, film production, and audio storytelling, Altered gives you more creative control.
🎓 Your Experience Level
Beginners should start with Revoicer. The simple interface gets you creating voice overs in minutes. Altered is better for experienced creators who want advanced voice AI technology.
🆓 Free Trials and Demos
Altered offers a free plan and a free trial of the Creator plan. Revoicer has no free trial. But Revoicer gives you a 60-day money-back guarantee on all plans.
🛟 Support Options
Revoicer has a ticket-based support system with a responsive team. Altered provides support through their website and help center. Both offer documentation and tutorials.
Switching Guide
Already using one of these tools? Here’s what to expect if you switch.
🔄 Switching from Altered to Revoicer?
✅ What you’ll gain:
- Simpler interface with a 3-step voiceover process
- One-time payment option at $67 for lifetime access
- Built-in background music on Pro plan
❌ What you’ll lose:
- Voice cloning and voice morphing capabilities
- Real-time voice changing for live calls
- Full audio editing and noise cleaning tools
📋 How to switch:
- Download all your audio projects from Altered Studio
- Create a Revoicer account and choose your plan
- Re-create your scripts in Revoicer using new AI voices
🔄 Switching from Revoicer to Altered?
✅ What you’ll gain:
- Voice cloning and morphing for character creation
- Real-time voice changer for live interactions
- Free plan to test features before committing
❌ What you’ll lose:
- 80+ emotion-based AI voices with specific tones
- Built-in background music integration
- One-time lifetime payment option
📋 How to switch:
- Export all audio files from your Revoicer account
- Sign up for Altered’s free plan or Creator trial
- Upload scripts and start generating with Altered Studio
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰 Pricing | 改変 |
| 🎙️ Voice Cloning | 改変 |
| 🔊 Voice Library Size | リボイス |
| ⚡ Real-Time Voice Changing | 改変 |
| 😊 Emotion Controls | リボイス |
| 👶 Ease of Use | リボイス |
| 🎛️ Audio Editing | 改変 |
| 🏆 Overall Winner | 改変 |
🏆 WINNER: Altered
Altered wins 5 out of 7 categories.
Best for: Media production, voice cloning, game development, and professional audio storytelling.
Altered and Revoicer are two very different voice AIツール.
Altered is a full voice content creation platform. It combines cloning, morphing, editing, and real-time voice changing in one app.
Revoicer is a simple text to speech app. It turns text into emotion-based voice overs fast.
Revoicer is excellent for beginners who need quick AI voice overs with emotions.
However, if you need voice cloning, morphing, or professional audio production, Altered is the better choice.
Now, go out and create voice content that sounds amazing!
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, full audio editor
Hume wins on: Emotion detection in real-time conversations, free tier
Altered vs マーフ 人工知能
Altered wins on: Voice morphing, real-time voice changer
Murf AI wins on: Larger voice library, polished studio experience
Altered wins on: Voice cloning, professional voice performances
Speechify wins on: Simpler interface, reading text aloud quickly
Altered vs 説明
Altered wins on: Voice morphing, 14 speaking styles
Descript wins on: All-in-one video and audio editing, podcast tools
Altered wins on: Real-time voice changer, voice morphing
ElevenLabs wins on: Most natural sounding voices, lower starting price
Altered vs Play.ht
Altered wins on: Voice cloning quality, audio editing tools
Play.ht wins on: Larger voice library, API access for developers
Altered vs ロボ
Altered wins on: Voice morphing, real-time voice changing
Lovo wins on: AIビデオ generation alongside voice tools
Altered vs リスト番号
Altered wins on: Professional voice cloning, audio editing
Listnr wins on: Podcast hosting included, easier workflow
Altered vs ポッドキャスト
Altered wins on: Voice morphing, character voice creation
Podcastle wins on: All-in-one podcast recording and editing
Altered vs ダプダブ
Altered wins on: Voice cloning technology, audio editing suite
Dupdub wins on: Free tier available, アバター ビデオ作成
Altered vs ウェルサイドラボ
Altered wins on: Real-time voice changer, voice morphing
WellSaid Labs wins on: Enterprise team features, consistent voice quality
Altered vs リードスピーカー
Altered wins on: Voice cloning, creative voice tools
ReadSpeaker wins on: Embedded text-to-speech for apps and websites
Altered vs ナチュラルリーダー
Altered wins on: Professional voice production, voice morphing
NaturalReader wins on: Free plan for personal reading, simpler interface
Altered vs スピーチロ
Altered wins on: Voice cloning, real-time voice changer
Speechelo wins on: One-time payment at $47, simpler text to speech
Altered vs TTS OpenAI
Altered wins on: Voice morphing, audio editing, voice cloning
TTS OpenAI wins on: High-clarity voices, pay-as-you-go pricing
More of Revoicer Compared
Here’s how Revoicer stacks up against other competitors:
Revoicer wins on: Emotion-based voice overs, simple interface
Hume wins on: Emotion detection in conversations, free tier
リボイス vs マーフ 人工知能
Revoicer wins on: Emotion controls, one-time payment option
Murf AI wins on: 120+ voices, polished brand content tools
Revoicer wins on: Voice emotions, multiple accents
Speechify wins on: Chrome extension, mobile apps, reading tools
Revoicer wins on: Simpler voiceover creation, lower price
Descript wins on: Video editing, podcast tools, voice cloning
Revoicer wins on: Emotion controls, multiple English accents
ElevenLabs wins on: More natural sounding voices, lower starting price
Revoicer vs Play.ht
Revoicer wins on: Easier to use, emotion-based speech
Play.ht wins on: Larger voice library, API access
Revoicer wins on: Voice emotion controls, simpler workflow
Lovo wins on: AIビデオ creation alongside voice tools
Revoicer wins on: More emotional voice options, accents
Listnr wins on: Podcast hosting, blog-to-audio feature
Revoicer wins on: Pure voiceover creation, emotion controls
Podcastle wins on: All-in-one podcast recording and editing
Revoicer wins on: Emotion-based voices, multiple accents
Dupdub wins on: Free tier, avatar video creation
Revoicer wins on: Lower price, emotion controls
WellSaid Labs wins on: Enterprise features, consistent voice quality
Revoicer wins on: Easier setup, emotion-based voices
ReadSpeaker wins on: Embedded text-to-speech for websites
Revoicer wins on: More voice emotions, multiple accents
NaturalReader wins on: Free plan, simpler reading tool
Revoicer wins on: More voices and languages, background music
Speechelo wins on: Lower one-time price at $47
Revoicer vs TTS OpenAI
Revoicer wins on: Emotion controls, no coding needed
TTS OpenAI wins on: High-clarity voices, developer API
よくある質問
Can I try Revoicer for free?
No. Revoicer does not offer a free plan or free trial. You need to purchase a plan to start using it. However, all plans come with a 60-day money-back guarantee.
Is Altered AI free?
Yes. Altered offers a free plan with basic voice editing features. You can also sign up for a free trial of the Creator plan to test advanced features like voice cloning.
Is AI voice cloning illegal?
Voice cloning technology itself is not illegal. However, using cloned voices without permission or for fraud is against the law. Both Altered and Revoicer have ethical guidelines for using their voice cloning features.
What is the most realistic AI voice changer?
Altered is one of the most realistic AI voice changers available. Its voice morphing technology lets you change your voice in real time while keeping natural emotion and timing.
Is Revoicer a one-time payment?
Revoicer offers both monthly plans and a one-time payment option. The Standard plan has a one-time deal at $67 that gives you lifetime access. The Pro and Agency plans are monthly subscriptions.
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