

⚡ 簡単な評価:
- 価格: Play ht starts at $31.20/month. Natural Reader starts at $49/month. Both have a free version.
- 最適な用途: Play ht for voice overs, podcasts and IVR systems. NaturalReader for reading documents and websites aloud.
- 主な違い: Play ht is built to generate audio you publish. NaturalReader is built to listen to written content you already have.
- 私たちのおすすめ: Play ht (4.1 vs 3.9) for most creators, thanks to its larger voice library and voice cloning.

These two tools both turn text into speech.
That is where the similarity stops.
Play ht is an ai voice generator for people who publish audio.
NaturalReader is a reading tool for people who consume it.
Pick the wrong one and you pay for features you never touch.
概要
This Play ht vs NaturalReader comparison covers pricing, ai voices, file support and ease of use.
弊社のライター陣は、両方のプラットフォームを実際に操作して検証しました。
それらのメモは、以下の「チームが気づいたこと」のセクションに記載されています。
We also pulled from official documentation, pricing pages and Trustpilot reviews.
By the end you will know which tool fits your work.
Play htとは何ですか?
Play ht is an ai voice generator built around a text to voice studio.
You type, paste or import text and it will generate audio in seconds.
The extensive library holds over 600 ai voices across many languages.
You can pick different voices, adjust speech styles and set the pitch.
Output lands as high quality audio files in MP3 or WAV.
Creators use it for audiobooks, podcasts, training videos and voice overs.

The walkthrough below shows the studio and the voice library in action.

🏆 Winner: Play ht
Over 600 ai voices with voice cloning and multi-lingual output. Built for audio projects you plan to publish. Free plan lets you test before paying.
プレイht価格設定
Play ht runs four tiers. Here is what each one is for.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Testing the studio with attribution |
| クリエイター | 月額31.20ドル | ソロポッドキャスターとビデオクリエイター |
| 無制限 | 月額49ドル | 大音量オーディオ生成 |
| プレミアム | カスタム/月 | チームと 仕事 アカウント |
Pricing verified September 2026.

無料トライアル: The free plan gives you roughly 5,000 characters and requires attribution. No card needed.
返金保証: Play ht does not publish a standard refund window. Cancel from your account page before the next billing date.
📌 注記: The Premium tier is quoted per 仕事 and covers high-volume needs plus team access. Ask about a commercial license before you sign.
⚠️ Pricing conflict: Our CSV lists Creator at $31.20/month. Some public sources quote around $39/month for the same tier. We publish the CSV figure. Check the live pricing page before you buy.
⚠️ 警告: Trustpilot reviewers have reported charges after cancelling, credit reductions without notice, and slow support replies. Some describe the billing as a scam. Cancel 早い and watch your statement.
Play htの主なメリット
Here is what makes Play ht worth a look:
- 膨大な音声ライブラリ: Over 600 ai generated voices with different accents. You can match a native accent to your audience.
- 音声クローン: Record samples and the platform copies your own voice. Cross language voice cloning lets that clone speak other languages.
- Multi voice feature: Assign a speaker’s voice per line for conversations. This is how you build multi-speaker podcasts.
- Voice agents: Power ivr systems and conversational assistants with the same voice データ. Useful for support lines and messaging systems.
- Custom pronunciations: Save custom pronunciations for brand names and specific words. The tool remembers them across audio projects.
- Publishing tools: Generate RSS feeds from converted articles and push them to Spotify or iTunes. WordPress and API access are included.

私たちのチームが気づいたこと
私たちの 作家 signed up for Play ht and ran a short podcast script through the studio. Here is what stood out from that session:

Play ht の長所と短所
✅ メリット
- Over 600 ai voices with adjustable speech styles and pitch
- Voice cloning and cross language voice cloning in one place
- Batch processing suits high-volume audio content work
- WordPress plugin, browser extension and API access for developers
❌ デメリット
- Repeated billing complaints, including charges after cancellation
- Support replies are slow and sometimes never arrive
- Rated 3 out of 5 on Trustpilot, with reports of ダウンタイム
NaturalReaderとは何ですか?
NaturalReader is ai text to speech software for reading things aloud.
It handles any text, PDF, image, webpage and even a physical book.
The camera scanner turns physical text on a page into audio.
Over 20 file types work, including PDF, TXT, DOCX and EPUB.
The company reports over 1 million monthly users and 15 years of operation.
Over 2000 学校 and universities use it, many for students with learning disabilities.

This short review shows the reader, the voice picker and the mobile app.

Runner Up: NaturalReader
Over 1000 voices in more than 100 languages and dialects. Reads documents, images and websites aloud on any device. The free version has no time limit on free voices.
NaturalReaderの価格設定
NaturalReader keeps its plan list short. Three tiers, no add-ons.
| プラン | 価格 | 最適な用途 |
|---|---|---|
| 無料 | 月額0ドル | Daily reading with free voices |
| シングルプラン | 月額49ドル | One person who wants premium and plus voices |
| チームプラン | 月額79ドル | Small teams sharing one account setup |
Pricing verified September 2026.

無料トライアル: The free version allows unlimited free voices, 20 minutes daily of premium voices and 5 minutes daily of plus voices. It needs an internet connection.
返金保証: 年間契約者は30日以内、月額契約者は14日以内であれば返金を請求できます。
📌 注記: These are personal use versions. Audio made in NaturalReader Online is for private listening only. For commercial use you need NaturalReader Commercial, which is a separate program.
⚠️ 警告: Every subscription auto-renews by default. Cancelling does not trigger a refund on its own. You have to request one separately.
NaturalReaderの主な利点
Here is where NaturalReader earns its place:
- Reads almost anything: Emails, news articles, Google Docs and scanned images all work. It also reads キャプション under YouTube videos on the page.
- Huge voice range: Over 1000 ai voices in more than 100 languages and dialects. The Plus tier unlocks the newest and highest technology voices.
- Text filtering: The ai strips unwanted text such as URLs, footnotes and citations. You hear the written content, not the clutter.
- どこでも動作します: Online reader, Chrome extension and mobile apps for iOS and Android. One account keeps your place across デバイス.
- Speed and focus: Reading speed goes up to 900 words per minute. Dyslexia-friendly fonts and text highlighting help people with dyslexia and ADHD.
- Offline audio: Download audio files generated in the app as MP3. NaturalReader EDU licences cover schools that need this at scale.

私たちのチームが気づいたこと
Our writer used NaturalReader to work through a stack of research PDFs and a few long websites. Here is what came out of that:

NaturalReaderの長所と短所
✅ メリット
- Supports over 20 file types plus images and physical books
- Generous free version with no daily cap on free voices
- Built for accessibility, with highlighting and dyslexia-friendly fonts
- Clear refund windows of 30 days yearly and 14 days monthly
❌ デメリット
- Commercial use needs a second purchase, not an upgrade
- Entry paid plan costs more than Play ht’s Creator tier
- Free version needs internet, so nothing works offline
機能比較
Both tools convert text into speech. What they do after that splits them apart. Here are ten areas that decide the choice.
| 特徴 | プレイht | ナチュラルリーダー |
|---|---|---|
| Starting paid price | 月額31.20ドル | 月額49ドル |
| 無料プラン | ✅(出典明記あり) | ✅ |
| 音声クローン | ✅ | ✅ |
| 異言語音声クローニング | ✅ | ❌ |
| PDF、DOCX、EPUB形式のファイルを読み込みます。 | ❌ | ✅ |
| OCR for physical text | ❌ | ✅ |
| IVRと音声エージェント | ✅ | ❌ |
| 商用利用を含む | ✅ | ❌(別商品) |
| Chrome拡張機能 | ✅ | ✅ |
| 最適な用途 | Publishing audio content | Listening to written content |
1. Voice Library and Realism
再生 ht: Over 600 ai voices sit in the library. These are natural sounding ai voices tuned for publishing, not for skimming. Reviewers do flag odd results on complex terms.

ナチュラルリーダー: Over 1000 ai generated voices across 100+ languages and dialects. The count is higher, but many are reading voices rather than performance voices. Both aim at human like voices instead of robotic ones, and both market humanlike voices as the headline.

2. 音声クローン
再生 ht: Record a few samples and the platform builds your own voice. Cross language voice cloning then makes that speaker’s voice talk in other languages. The voice changer can also swap the voice on existing voiceovers.

ナチュラルリーダー: Cloning exists here too, but it lives on the commercial side of the service. The personal reader is not where you build a clone for client work.

3. Emotion, Pitch and Speech Styles
再生 ht: The speech generator exposes pitch, speed and speech styles per block of text. The multi voice feature assigns different voices to different lines, which is how you fake real conversations.

ナチュラルリーダー: Emotive voices add voice inflections like excited, sad or calm. Advanced tunes let you nudge a line until the delivery lands. イレブンラボ still edges both on story-driven emotion.

4. Languages and Different Accents
再生 ht: Multi-lingual speech covers dozens of languages with different accents in each. Pick a native accent so a local audience does not hear a tourist reading the script. You can create one script and ship it in several languages.

ナチュラルリーダー: More than 100 languages and dialects, which is the wider spread of the two. That breadth serves readers first. Play ht’s voices are the ones capable of carrying a branded advert.
5. Input Formats and Files
再生 ht: You type, paste or import text into the studio. There is no OCR and no deep document handling. It expects a script, not a filing cabinet.
ナチュラルリーダー: Over 20 file types, plus images, websites and physical text through the camera. Google Docs, emails and news pages all read cleanly once unwanted text is stripped.
💡 プロのヒント: If most of your work starts as a PDF, this single row decides the comparison for you.
6. Editing and Audio Quality
再生 ht: The audio cleaner strips background sound from uploads before you reuse them. Exports come out as high quality audio files in MP3 or WAV, ready to drop into creative videos.

ナチュラルリーダー: Advanced tunes handle pacing and emphasis rather than cleanup. You get MP3 download for offline listening, and natural sounding audio at up to 900 words per minute.

7. Voice Agents and IVR Systems
再生 ht: Voice agents plug the same text to speech technology into ivr systems, voice assistants and conversational assistants. A business can automate phone menus and chatbot replies with one voice.

ナチュラルリーダー: No agent layer at all. It will not answer calls or drive messaging systems. For those other systems you would need a different tool.
8. Writing and Script Help
再生 ht: No script writer is included. You bring finished copy and the tool turns it into voice content.
ナチュラルリーダー: The ai script アシスタント drafts and trims copy before you generate audio. Handy if you write e learning modules or training videos in one sitting.

9. Integrations and Platform Access
再生 ht: WordPress plugin, browser extension and API access. A developer can wire audio generation into various applications, from a site to a mobile app. RSS output pushes finished episodes to podcast platforms.
ナチュラルリーダー: Online reader, Chrome extension, iOS and アンドロイド apps. Coverage is wide across devices but thin on developer hooks. Save custom pronunciations in the editor so specific words stay right.
10. 価格設定とコスト
Here are both price lists side by side.
| ティア | プレイht | ナチュラルリーダー |
|---|---|---|
| 無料 | 月額0ドル | 月額0ドル |
| 入場料支払い済み | クリエイター:月額31.20ドル | シングルプラン:月額49ドル |
| 中級クラス | 無制限プラン:月額49ドル | チームプラン:月額79ドル |
| 最高級 | プレミアム:カスタム/月額 | ❌ |
再生 ht: The Creator plan undercuts NaturalReader’s entry tier by $17.80 a month. Its $49 Unlimited plan costs the same as NaturalReader’s cheapest paid option.
ナチュラルリーダー: The free version does more work than most free tiers, so many users never upgrade. The paid plans buy premium and plus voices, not extra file support.
さまざまなシナリオ
| 必要な場合は | 選ぶ | なぜ |
|---|---|---|
| Professional voiceovers to sell | プレイht | Commercial rights on paid plans |
| To read PDFs and books aloud | ナチュラルリーダー | 20+ file types plus OCR |
| 最も安い有料プラン | プレイht | $17.80 less per month |
| Support for learning disabilities | ナチュラルリーダー | Highlighting and dyslexia fonts |
| Phone menus and voice agents | プレイht | Only one with ivr systems |
| The strongest free version | ナチュラルリーダー | No attribution required |
💰 あなたの予算
Play ht’s Creator plan is the cheaper way into paid ai voices. NaturalReader’s free version is the better free deal.
🔌 あなたの技術スタック
Play ht fits teams that want API access and a WordPress plugin. NaturalReader fits people who live in a browser and a phone.
🎙️ Your Output
Publishing podcasts or adverts points to Play ht. Listening to what you already wrote points to NaturalReader.
🎓 あなたの経験レベル
NaturalReader takes about a minute to learn. Play ht’s studio has more controls, so expect an afternoon of poking around.
🆓 無料トライアルとデモ
Play ht gives roughly 5,000 characters with attribution attached. NaturalReader hands you unlimited free voices with a daily cap on the premium ones.
🛟 サポートオプション
This is Play ht’s weak spot, with many public complaints about slow replies and billing. NaturalReader publishes plain refund windows instead.
切り替えガイド
Already paying for one of them? Here is what changes.
🔄 Play htからNaturalReaderに切り替えますか?
✅ 得られるもの:
- PDF, DOCX, EPUB and image reading in one app
- Clear refund windows and calmer billing
- A free version you can actually work in daily
❌ 失うもの:
- Cross language voice cloning and the voice changer
- Voice agents for ivr systems and chatbots
- Commercial rights bundled into the paid plan
📋切り替え方法:
- Download every finished MP3 and WAV from Play ht first
- Cancel and confirm the charge has stopped on your statement
- Open NaturalReader, install the extension, then re-enter your pronunciations
🔄 NaturalReaderからPlay htに切り替えますか?
✅ 得られるもの:
- A cheaper entry plan at $31.20/month
- Voice cloning plus the multi voice feature for podcasts
- API access, RSS feeds and a WordPress plugin
❌ 失うもの:
- OCR scanning of physical text and 20+ file types
- Accessibility extras like highlighting and dyslexia fonts
- The 900 words per minute speed reading mode
📋切り替え方法:
- Export your saved MP3 files from NaturalReader
- Start on Play ht’s free plan and test two or three voices
- Rebuild your pronunciation list, then upgrade to Creator
私たちのレビューで取り上げられなかったこと
We looked at solo creators and small teams. We did not test NaturalReader EDU rollouts, Play ht’s Premium quote, or either API under real load. Long-form audiobook runs of ten hours or more were outside this review. If you buy for a school or a call centre, your checklist will look different from ours.
最終評決
| カテゴリ | 勝者 |
|---|---|
| 💰価格 | プレイht |
| 🎙️ Voice quality for publishing | プレイht |
| 📄 File and document support | ナチュラルリーダー |
| 🗣️ Voice cloning | プレイht |
| 👶 Ease of use | ナチュラルリーダー |
| 🔌 連携機能とAPI | プレイht |
| 🛟 Billing and support | ナチュラルリーダー |
| 🏆総合優勝 | プレイht |
🏆 勝者: PLAY HT
Play ht wins 4 of 7 categories.
最適な用途: podcasts, professional voiceovers, training videos, ivr systems
Play ht takes it on the rating and on the work it can do. Its voices capable of carrying an advert, plus cloning and voice agents, cover more ground than a reading app can.
The billing complaints are real though. Set a calendar reminder before your renewal date and check your statement.
NaturalReader is the better buy for one specific person: someone with a pile of documents and no plan to publish anything. It reads more file types, costs nothing to start, and treats accessibility as the point rather than a bonus.
Play ht を比較すると、
Here is how Play ht lines up against the rest of the field:
ElevenLabsと対戦する
プレイしてhtの勝利を掴む: batch audio generation, RSS podcast publishing, built-in ivr and agent tooling
ElevenLabsが勝利した点: emotional nuance, story-driven narration, cleaner handling of long fiction
ht vsをプレイ マーフ 人工知能
プレイしてhtの勝利を掴む: voice cloning across languages, web integrations, high-volume workflows
Murf AIが勝利した点: timing sync with video, e learning templates, marketing voiceover polish
Play htとSpeechifyの比較
プレイしてhtの勝利を掴む: commercial output rights, multi voice scripts, API for developers
Speechifyが勝利した点: mobile listening, document reading, speed-reading controls
ht vsをプレイ 説明
プレイしてhtの勝利を掴む: voice library size, pure text to speech speed, cheaper entry plan
説明文が勝つ点: full video editing, transcript-based cutting, team review workflows
NaturalReaderの比較をもっと見る
And here is where NaturalReader sits against its own rivals:
NaturalReaderとSpeechifyの比較
NaturalReaderが優れている点: lower cost, wider file support, stronger free tier
Speechifyが勝利した点: slicker mobile app, celebrity voice options, faster onboarding
NaturalReaderとElevenLabsの比較
NaturalReaderが優れている点: reading PDFs and images, classroom licensing, price per seat
ElevenLabsが勝利した点: voice realism, cloning depth, creative production work
NaturalReader vs Murf AI
NaturalReaderが優れている点: accessibility features, OCR scanning, everyday reading use
Murf AIが勝利した点: video sync, studio-grade voiceovers, brand voice consistency
NaturalReader vs リードスピーカー
NaturalReaderが優れている点: self-serve signup, personal pricing, mobile and desktop parity
ReadSpeakerが優れている点: website embedding, enterprise contracts, publisher integrations
よくある質問
Play HTは合法的なサービスですか?
Yes, it is a real service used by many creators. Trustpilot rates it 3 out of 5, with recurring complaints about billing and slow support.
プレイHTの料金はいくらですか?
Free is $0/month. Creator is $31.20/month. Unlimited is $49/month. Premium is custom pricing for teams and high-volume business needs.
PlayHTの音声クローン機能は無料ですか?
No. Cloning your own voice sits behind a paid plan. The free tier covers roughly 5,000 characters and requires attribution on anything you publish.
NaturalReaderは無料で利用できますか?
Yes. The free version gives unlimited free voices, 20 minutes daily of premium voices and 5 minutes of plus voices. Internet is required.
NaturalReaderはSpeechifyより優れていますか?
It costs less and reads more file types. Speechify has the better mobile app. Pick on price and file support, not on voice count.













