Chieumi vs Audiobookify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chieumi
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This application is an e-book reader that can read books purchased on the EC site "Chieumi". From introductory books to specialized books, from a wide range of books centered on Buddhist books, you can find the wisdom to live life to the fullest. Easy-to-read, easy-to-use operability, comfortable Buddhist life!
Audiobookify
Convert your EPUBs into audiobooks with on-device, offline neural text-to-speech. Enjoy a customizable reader and natural voices that work without an internet connection. Import books from various sources and sync your progress across devices.
- On-device offline neural TTS
- Customizable EPUB reader
- Background playback
- Adjustable speaking speed
- Text replacements for pronunciation
- Import EPUBs from Files
- Optional iCloud sync
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Read your EPUBS, or listen to them with Audiobookify, using on device, offline neural TTS models. Read with a clean, customizable reader, or listen where you left off with natural neural voices that run entirely on your device. All models run efficiently, meaning great optimization, battery life, thermals and background playback. Optimized for iOS 26 & 27. LISTEN TO ANY BOOK • On-device neural text-to-speech once a voice is downloaded, narration works fully offline and nothing you read is sent to a server • Multiple engines and voices: Orate (best natural model, supporter only), Supertonic (30+ languages) and Kokoro (English), plus every Apple system voice • Sentence-by-sentence highlighting that follows along as it reads • Double-tap any sentence to start listening from there • Background playback with lock-screen and Control Center controls - keep listening with the screen off • Adjustable speaking speed and pauses between sentences • Resumes where you left off and continues seamlessly across chapters A READER YOU CAN MAKE YOUR OWN • Clean, distraction-free EPUB reading (txt and MD also supported) • Choose your font, text size, line spacing, margins, and color theme • Table of contents, chapter navigation, and progress tracking • Sentence-by-sentence highlighting that follows along as it reads PRONUNCIATION THAT GETS IT RIGHT • Text replacements to fix names and abbreviations before they're spoken • Pronunciation overrides using IPA for precise control • RSVP (Rapid Serial Visual Presentation speed reading mode YOUR LIBRARY, EVERYWHERE • Import EPUBs from Files or other apps • Optional iCloud sync for reading progress, library, and preferences • Bring in fan fiction as EPUBs via URL import PRIVATE BY DESIGN • Speech is synthesized on your device, your books are never uploaded for narration • No account, no ads, no tracking The app contains one in app purchase that unlocks Orate, our best model, extra voices, and supports ongoing development. More voices and models will be added in the future. All core features are free forever. Download once, listen offline, read your way. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/therysin/Audiobookify/blob/main/PrivacyPolicy.md
Screenshots
Verdict
The clearest difference is in-app purchases: Chieumi at none against Audiobookify's 1. Chieumi also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.0). Audiobookify's advantage is update cadence (every 10 days vs every 2 months). On price and ads 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
Both are free to download. Audiobookify sells 1 in-app purchase, starting at $1.99 per month. Chieumi asks for nothing beyond the download.
Chieumi ships an update every 2 months, Audiobookify every 10 days. The most recent releases landed on September 30, 2026 and October 8, 2026 respectively.
| Parameter | Chieumi | Audiobookify |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 52 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | KOSEI PUBLISHING CO. | Joshua Boodhu |
In-app purchases
Chieumi
No in-app purchases
Audiobookify
- Supporter$1.991 Month









