Comparison

AI Reader vs EchoCaption

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AI Reader

Transform any text, PDF, or eBook into an audiobook with realistic, human-like AI voices. Enjoy your entire library as a personal audio collection without ads or sign-up. Listen while multitasking or relaxing.

Highlights
  • Realistic AI text-to-speech voices
  • Convert eBooks, PDFs, and documents to audio
  • Highlight and replay sentences/words
  • Listen while commuting or working
  • No ads or sign-up required
  • Multiple human-sounding voice options
Features
Read full description

ReaderAI lets you read and listen to books for free, with realistic text-to-speech (TTS) that sounds truly human. Enjoy your favorite eBooks, PDFs, and documents anytime, anywhere. Turn every book into an audiobook with lifelike AI voices. AI Text-to-Speech (TTS) – Human-like Voices Experience next-generation reading with natural AI voices that bring your books to life. Just tap “Read Aloud” to instantly turn any text, PDF, or eBook into an audiobook. Choose from multiple human-sounding voices Highlight and replay any sentence or word Listen while commuting, working out, cooking, or falling asleep Your entire library becomes a personal AI audiobook collection. No Ads. No Sign-Up. 100% Free. ReaderAI is designed for focus and comfort — no ads, no registration, and no interruptions. Just open your book, choose your voice, and start reading or listening. Your Books. Your Voices. Your Freedom. Whether you love reading, prefer listening, or both — ReaderAI transforms your books into an immersive, human-like audio experience. Perfect for readers, students, language learners, and audiobook fans. Download ReaderAI – Read and Listen Smarter, with Human AI Voices.

About

EchoCaption

Features
Read full description

EchoCaption helps you generate accurate captions from audio and video—then play them back with perfectly synced subtitles. Whether you're studying, creating content, or saving meeting notes, EchoCaption keeps everything private with on-device transcription and fast subtitle tools. Key Features On-device Speech-to-Text: Fast transcription powered by a Whisper-based model Video Playback + Captions: Watch videos with synced subtitles Export Subtitles: Save results as SRT / VTT or plain text Share Extension Import: Send files from Photos, Files, or other apps straight into EchoCaption Clean & Simple UI: Focus on your content, not complicated settings Perfect for Captioning videos for social media Language learners practicing listening Students transcribing lectures Creators turning clips into subtitle-ready files Privacy EchoCaption runs transcription on device. Your media stays on your iPhone/iPad.

Screenshots

AI Reader4 screens
EchoCaption3 screens

Verdict

The call

The clearest difference is price: AI Reader at Free against EchoCaption's $1.99. AI Reader also leads on iOS requirement (15.1 vs 18.6). EchoCaption's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

AI Reader is free to download; EchoCaption costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 7 level
AI Reader versus EchoCaption: the parameters behind the verdict, then further details
ParameterAI ReaderEchoCaption
PriceFree — better$1.99
Rating4.7 (143 ratings) — better—
Positive reviews76.5% of reviews—
Number of ratings143 — better—
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size45 MB796 MB
Age rating4+4+
DeveloperNguyen Hong PhucKai Chen

In-app purchases

None

AI Reader

No in-app purchases

None

EchoCaption

No in-app purchases

Questions

Is AI Reader free?
AI Reader is free to download, with no in-app purchases.
Is EchoCaption free?
EchoCaption costs $1.99, with no in-app purchases.
Do AI Reader or EchoCaption have ads?
AI Reader shows ads; EchoCaption does not.

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