

⚡ Quick Verdict:
- 価格: Altered starts at $0/month (paid from $30/month) vs Speechelo at $47 one-time
- 最適な用途: Altered for voice cloning and media production, Speechelo for quick text to speech on a budget
- 主な違い: Altered offers voice morphing, ai voice cloning, and a real time voice changer — Speechelo only does basic text to speech
- Our pick: Altered for most users — it has more voice AI features and higher voice quality

Not all AI voice tools are built the same.
Altered is a full voice content creation platform with cloning and morphing.
Speechelo is a simple text to speech tool with a one-time price tag.
The gap between them is bigger than you might expect.
この比較では、すべての機能を詳細に解説しているので、最適な製品を選ぶことができます。
概要
This Altered vs Speechelo comparison covers pricing, features, and voice quality.
We also break down who each tool works best for.
Our sources include published specs, documentation, and user reviews.
By the end, you’ll know which ai voice tool fits your needs.
Altered とは何ですか?
Altered is an AI voice content creation platform for media production.
It lets you clone, morph, and edit voice recordings with AI.
The Altered Studio app includes voice cloning, text to speech, and a real time voice changer.
Voice creators use it for podcasts, ゲーム, and film projects.

改変
Altered Studio packs voice cloning, voice morphing, and text to speech into one app. It supports 75+ languages and offers a free plan to start.
価格変更
Altered offers three plans. Here’s a breakdown.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | 基本的な音声編集機能のテスト |
| クリエイター | 月額30ドル | フリーランサー コンテンツクリエイター |
| プロ | 月額90ドル | スタジオと制作チーム |
Pricing verified April 2026.

無料トライアル: はい。Alteredは、基本的な音声編集機能が利用できる無料プランを提供しています。また、Creatorプランの無料トライアルに登録することもできます。
返金保証: Contact the pricing page for Professional or Enterprise refund details.
📌 注記: The free plan is limited. You need the Creator plan at $30/month to unlock voice cloning and all speaking styles.
⚠️ 警告: Altered’s pricing is monthly. Over a year, the Creator plan costs $360 — much more than Speechelo’s one-time $47 fee.
変更された主な利点
Here’s what makes Altered worth considering:
- 音声クローニング: Create a rapid voice clone from a short audio sample. Use your vocal identity across projects without re-recording.
- 音声モーフィング: Change your voice to sound like a different person. Keep your timing and emotion while swapping the voice entirely.
- リアルタイム音声変換機能: Alter your voice during live calls or gaming sessions. The latency is low enough for voice chats.
- Emotive Text to Speech: Choose from 14 speaking styles like whispering and shouting. This makes audio storytelling more natural.
- AI音声クリーナー: Remove background noise from voice recordings with one click. Clean audio without extra software.
- 豊富な音声ライブラリ: Access a portfolio of TTS voices and custom voice models. Translate content into 75+ languages.

What Our Team Noticed
私たちの 作家 signed up for Altered and spent several days exploring the platform. Here’s what stood out:

変更された長所と短所
✅ メリット
- 音声クローン、モーフィング、TTSがすべて1つのアプリに
- Real-time voice changer works for live calls
- 14 speaking styles for expressive voice performances
- 基本機能を試せる無料プランをご用意しています。
- 75以上の言語に対応し、文字起こしと翻訳機能を提供
❌ デメリット
- Monthly pricing adds up fast ($360/year on Creator)
- 基本的なTTSツールよりも習得に時間がかかる
- 無料プランは機能が非常に限られています
- No simple one-time purchase option available
Speecheloとは何ですか?
Speechelo is an AI-powered text to speech tool that creates human sounding voiceovers from text.
It converts your scripts into natural sounding voiceovers with a few clicks.
The software includes 30+ voices in 23 languages.
Video creators, marketers, and educators use it for training videos and sales videos.

スピーチロ
Speechelo turns text into human sounding voiceovers in under 10 seconds. Pay once and own it for life at $47.
Speecheloの料金
Speechelo keeps pricing simple. Here’s the cost.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| Speechelo 生涯ライセンス | $47 | Budget-conscious video creators |
Pricing verified April 2026.

無料トライアル: いいえ。Speecheloは無料トライアルを提供していません。
返金保証: はい。Speecheloは返金保証付きの満足保証を提供しています。
📌 注記: The standard version is limited to 30 voices and a 700-word limit per voiceover. Speechelo Pro is available as an upgrade with more voices and features.
⚠️ 警告: After the launch special ends, Speechelo may cost $100 one-time or $67 per month. Some Capterra reviewers report that voices were moved to the Pro plan after purchase.
Speecheloの主な利点
Here’s what makes Speechelo worth considering:
- 1回限りの支払い: Pay $47 once and own it forever. No monthly fees or subscriptions. This makes it far cheaper than most ai voice tools long-term.
- 高速生成: Create voiceovers in under 10 seconds. Paste your text, pick a voice, and generate download files 即座に.
- 複数の音色: Switch between normal tone, joyful tone, and serious tone. This adds variety to your voice performances.
- 呼吸音: Add breathing sounds and longer pauses to make the speech sound natural. This helps create more natural sounding voiceovers.
- 23言語: Generate voice from text in 23 languages. Includes female voices in Spanish, French, German, Hindi, and more.
- Works with Any Editor: The audio files work with video creation software like カムタジア, Adobe Premiere, and iMovie. Import into your favorite ビデオエディター 簡単に。

What Our Team Noticed
Our writer purchased Speechelo and tested it for basic voiceover tasks. Here’s what stood out:

Speecheloの長所と短所
✅ メリット
- 47ドルの1回限りの支払いで、継続料金はかかりません。
- 10秒以内にナレーションを生成します
- Three tone options: joyful, serious, and normal
- Cloud-based with no software install needed
❌ デメリット
- Some voices sound robotic and easily spotted as AI
- No free trial available before purchase
- Limited to 30 voices and 700 words per voiceover
- 音声クローン機能や音声モーフィング機能はありません
💡 プロのヒント: Speechelo includes female voices included in French, Spanish, German, Hindi, Mandarin, Polish, Dutch, Turkish, Thai, Portuguese (Brazil), British English, and インド人 English. If you need a female french, female spanish, female german, female hindi, female mandarin, female polish, female dutch, female turkish, female thai, female portuguese brazil, female british english, or female indian english voice, check the voice library before buying.
機能比較
Let’s compare Altered vs Speechelo across 8 key areas.
This breakdown covers voice quality, features, and value for money.
| 特徴 | 改変 | スピーチロ |
|---|---|---|
| 開始価格 | 月額0ドル(無料プラン) | 47ドル(1回限り) |
| 無料プラン | ✅ | ❌ |
| AI音声クローン | ✅ | ❌ |
| 音声モーフィング | ✅ | ❌ |
| リアルタイムボイスチェンジャー | ✅ | ❌ |
| テキスト読み上げ | ✅ (14 speaking styles) | ✅(3色) |
| 言語 | 75+ | 23 |
| 音声ライブラリ | Extensive (custom + portfolio) | 30+ voices |
| 最適な用途 | Media production and voice creators | Quick voiceovers on a budget |
1. AI音声クローン
変更: Altered Studio includes full ai voice cloning. Upload a short audio sample and the platform creates a rapid voice clone of that vocal identity. You can then use that cloned voice across any project. The voice cloning technology works for games, podcasts, and film dubbing.

スピーチロ: Speechelo does not offer any voice cloning features. You can only pick from the 30+ pre-built voices. There is no way to create a custom voice or clone your own voice.
2. 音声モーフィング
変更: Voice morphing is the core feature of Altered. Record your own voice and change it to sound like a completely different voice. You keep the emotion and timing from your performance. Only the voice itself changes. This is voice puppeteering — you drive a different voice with your own delivery.

スピーチロ: Speechelo has no voice morphing at all. It only converts text to speech. You cannot feed it your own voice recordings or transform one voice into another.
3. テキスト読み上げの品質
変更: Altered’s text to speech engine offers 14 speaking styles. These include whispering, shouting, and conversational tones. The portfolio tts voices produce high quality voice content. The voices sound more natural than basic TTS tools.

スピーチロ: Speechelo offers three welsh voice tones: normal tone, joyful tone, and serious tone. The AI engine adds all the punctuation marks to make the speech sound natural. Some voices sound real and human sounding. Others can sound like a creepy robotic voice, especially female voices in certain languages.

⚠️ 警告: Speechelo’s standard voices sometimes produce robotic voices that are easily identified as AI. The AI engine voices are better but fewer in number.
4. リアルタイム音声変換機能
変更: Altered includes a real time voice changer for live use. It provides ultra-low latency morphing for voice chats on platforms like Discord or Zoom. The noise cancellation is built in. This is useful for gaming, ライブストリーミング, and online meetings.
スピーチロ: Speechelo does not have a real-time voice changer. It is a text-input-only tool. You type or paste text, and it generates audio. There is no live voice processing.
5. Voice Editing
変更: Altered Studio is a full online audio editor. It includes history editing so you can track and revert to previous versions. The voice editor handles trimming, mixing, and enhancing audio content. It is a next generation audio editor built for professional voice work.

スピーチロ: Speechelo has basic voice editing. You can adjust the speed and ピッチ of the voiceover. You can add breathing sounds and longer pauses. But there is no timeline editor or audio mixing. You edit using an online text editor, not an audio editor.
6. 言語サポート
変更: Altered supports 75+ languages with transcription and translation. You can create custom voice models in multiple languages. The extensive voice library covers accents and regional dialects for voice content creation.
スピーチロ: Speechelo supports 23 languages including multiple languages like English, Spanish, French, and German. It includes female voices in Hindi, Mandarin, Polish, Dutch, Turkish, Thai, Portuguese (Brazil), and British English. The language count is much lower than Altered’s 75+.

7. AI音声クリーニング
変更: Altered includes a built-in ai voice cleaner. It strips background noise from voice recordings automatically. This saves you from buying separate noise removal tools.
スピーチロ: Speechelo does not have any voice cleaning features. Since it only generates audio from text, there is no need for noise removal. But if you record your own audio, you need a separate tool.
8. 価格設定とコスト
Let’s compare the cost side by side.
| プラン | 改変 | スピーチロ |
|---|---|---|
| 無料 | 月額0ドル | ❌ |
| 入場料支払い済み | 月額30ドル(クリエイター向け) | 47ドル(1回限り) |
| プロ/上級者 | 月額90ドル(プロフェッショナルプラン) | プロアップグレード(四半期ごと) |
| 年間費用 | $360+ (Creator) | $47 total |
変更: At $30/month for the Creator plan, Altered costs $360 per year. The Professional plan runs $90/month or $1,080 per year. This is a major investment. But you get voice cloning, voice morphing, TTS, and a voice editor included. For studios that currently hire expensive voiceover artists, Altered can save money long-term.
スピーチロ: Speechelo costs $47 one-time for a lifetime license. No monthly fees. That makes it the cheapest option by far. But you only get basic text to speech with 30 voices. There is no voice cloning, no voice morphing, and no real-time features. The Pro upgrade adds more voices but costs $47 quarterly.
💡 プロのヒント: If you want to create voiceovers instantly and generate human like voiceovers without hiring expensive voiceover artists, both tools can help. Altered lets you create high quality voiceovers with a professional voice feel. Speechelo helps you create human sounding voiceovers faster — though some voices sound real while others still sound like a creepy robotic voice. The right voiceover アーティスト alternative depends on your voice quality needs.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| 予算が限られている | スピーチロ | 47ドルの一括払い vs 30ドル/月 |
| 音声クローン | 改変 | Only Altered offers cloning |
| Quick voiceovers from text | スピーチロ | Paste text, get audio fast |
| ライブ音声変換 | 改変 | Real-time voice changer built in |
| Multiple voice AIツール in one | 改変 | Cloning + morphing + TTS + editor |
| 初心者向け | スピーチロ | よりシンプルなインターフェース、より少ないオプション |
💰 あなたの予算
Speechelo wins on price with its $47 lifetime license. Altered’s Creator plan costs $360 per year, so choose Speechelo if budget is your top concern.
🔌 あなたの技術スタック
Speechelo works with any video creation software since you just download MP3 files. Altered is a standalone platform that handles the entire audio workflow from recording to final edit.
📝 コンテンツの種類
For simple educational videos or demo video narration, Speechelo is enough. For audio storytelling, game characters, or professional voice work, Altered’s advanced voice AI technology is better suited.
🎓 あなたの経験レベル
Speechelo is simpler to learn. Paste text, pick a voice, click generate. Altered has a steeper curve because it packs multiple voice AI technologies into one app.
🆓 無料トライアルとデモ
Altered offers a free plan so you can test before paying. Speechelo does not offer a free trial, but it has a money-back satisfaction guarantee.
🛟 サポートオプション
Altered provides online ticket support and help guides. Speechelo offers email support and video guides for getting started.
切り替えガイド
既にこれらのツールのいずれかをご利用ですか?切り替える場合、どのような変更が予想されますか?
🔄 AlteredからSpeecheloに切り替えますか?
✅ 得られるもの:
- No more monthly payments — just $47 once
- よりシンプルなインターフェースで、セットアップ時間も短縮。
- 10秒以内にナレーションを生成
❌ 失うもの:
- 音声クローン機能と音声モーフィング機能
- ライブ通話用のリアルタイム音声変換機能
- 75+ language support drops to 23 languages
📋切り替え方法:
- Download and save all your Altered audio projects
- Speecheloの47ドルの生涯ライセンスを購入する
- Paste your scripts into Speechelo and generate new voiceovers
🔄 SpeecheloからAlteredに切り替えますか?
✅ 得られるもの:
- AI voice cloning to create custom voice models
- Voice morphing for character voices and dubbing
- A full voice editor with history tracking
❌ 失うもの:
- One-time pricing — Altered charges monthly
- The simplicity of a paste-and-generate workflow
- Lifetime license ownership with no recurring costs
📋切り替え方法:
- Sign up for Altered’s free plan to explore the interface
- Upgrade to the Creator plan when ready for voice cloning
- Re-create your voiceovers using Altered’s TTS or voice morphing
What Our Review Didn’t Cover
This comparison focused on individual creators and small teams. We didn’t test Altered’s Enterprise plan or evaluate its API for large-scale audio production. Speechelo’s Pro upgrade with 171 voices wasn’t part of this review either. Our observations are based on the April 2026 versions, and features may have changed since then.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | スピーチロ |
| 🚀 音声クローン | 改変 |
| 🎭 音声モーフィング | 改変 |
| ⚡ Text to Speech | 改変 |
| 🎙️ Real-Time Voice Changer | 改変 |
| 👶 使いやすさ | スピーチロ |
| 🌍 言語サポート | 改変 |
| 🏆総合優勝 | 改変 |
🏆 受賞者:Altered
Alteredは7部門中5部門で受賞した。
最適な用途: Voice creators, media production teams, podcasters, and game developers who need professional voice content.
Altered and Speechelo serve very different users. Altered is a full voice content creation platform with ai voice cloning, voice morphing, and a real time voice changer. Speechelo is a simple text to speech tool for creating quick voiceovers from text.
Speechelo shines on price. At $47 for a lifetime license, it’s hard to beat for basic voice needs. If you need a brand new voiceover for a demo video or training videos, Speechelo gets the job done fast.
But if you need high quality voice content with multiple voice options, Altered is the better pick. The advanced voice AI technology handles everything from cloning to live voice changing in one place.
📌 注記: Speechelo’s user friendly interface makes it easy to generate download files and create your own voiceovers. It produces human speaking voiceovers with all the expressions you need. The most amazing collection of voices includes serious voices and a trust worthy voice option for sales videos. You can get a voiceover generated in seconds and use the voiceover directly in your project. A good sales video needs a voice that sounds real, and Speechelo’s better voices deliver voice sound real results. You can also control how many voiceovers you create — all the voiceovers are unlimited on the standard plan (up to 700 words each). The software works on any smart phone or desktop. For a breath taking voiceover with breathtaking voices, pick the AI engine voices over the standard ones. These produce more natural sounding voiceovers and more joyful tone options. Speechelo lets you create voiceovers instantly and add breathing sounds longer pauses for a nice radio sounding voice. All our voices include human sounding output that can replace a professional voiceover artist for basic needs. Speechelo also produces high quality voiceovers suitable for educational videos spechelo content. You don’t need human talent or a real human voice for simple scripts. The sound professional quality depends on which voice engine you pick.
変化したものを比較すると、
Alteredが他の競合他社と比べてどうなのか、以下に示します。
改変 vs イレブンラボ
Alteredが勝利した試合: Voice morphing, real-time voice changer, built-in voice editor
ElevenLabsが勝利した点: Voice quality for TTS, larger voice library, simpler API access
オルタード vs マーフ 人工知能
Alteredが勝利した試合: Voice cloning, voice morphing, real-time processing for live calls
マーフ AI wins on: Ease of use, video-friendly editor, wider selection of natural voices
Alteredが勝利した試合: Voice morphing depth, ai voice cleaning, more speaking styles for TTS
説明 勝利したタイトル: Full video and podcast editing, filler word removal, screen recording
Altered vs Play.ht
Alteredが勝利した試合: Live voice changing, voice morphing, integrated audio editor
Play.htが勝利した点: Blog-to-audio conversion, wider TTS voice catalog, podcast hosting
Speecheloの比較
Speecheloが他の競合他社と比べてどうなのか、以下に示します。
Speecheloが勝利した点: One-time pricing ($47 vs monthly), simpler interface, faster setup
Murf AIが勝利した点: Voice quality and realism, built-in video editor, team collaboration
Speecheloが勝利した点: Lifetime license pricing, breathing sound controls, joyful and serious tones
NaturalReaderが優れている点: Better voice quality, PDF and document reading, Chrome extension
スピーチチェロ対ロヴォ
Speecheloが勝利した点: Budget-friendly one-time price, no subscription needed, quick generation
Lovoが勝利した点: More realistic AI voices, emotion control, commercial-grade output quality
よくある質問
Altered AIは無料ですか?
Yes. Altered offers a free plan with basic voice editing features. The free plan lets you test voice morphing and some editing tools. You need the Creator plan at $30/month for voice cloning and all speaking styles.
Speecheloは何に使われますか?
Speechelo creates human sounding voiceovers from text for videos. It works well for educational videos, sales videos, and ユーチューブ content. Paste your script, pick a voice, and download the audio file.
AIによる音声クローンは違法ですか?
Using voice cloning technology itself is not illegal. However, cloning someone’s voice without their consent can break privacy laws. Always get permission before cloning another person’s voice.
最もリアルなAI音声変換機能は何ですか?
Altered is among the more capable options for realistic voice changing. It uses advanced voice AI technology with low latency for live calls. The voice morphing feature keeps your original emotion while changing the voice.
SpeecheloはYouTubeで使用できますか?
Yes. Speechelo generates voiceovers that work with any video creation software. Download the MP3 file and import it into your favorite video editor. Many video creators use it for YouTube narration.













