Comparison

Bukai vs Chorus Reader

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

Head to head
About

Bukai

Features
Read full description

Bukai is a beautifully simple reader for EPUB and TXT—built for focus and powered by state-of-the-art, on-device AI that keeps every page personal. It uses a high-quality, self-developed parsing, layout, and rendering engine, with no dependency on any web browser. Why readers choose Bukai * EPUB & TXT support – Smooth reading for both formats, including very large TXT files with on-demand loading. * AI Read Aloud – Natural narration with 100+ voices, including American & British female voices and Chinese female & male voices. * AI Summaries – Clear, high-quality overviews of the current chapter or the entire book—great for grasping key ideas fast. * Privacy by design – All intelligence runs locally on the device. No account, no ads, no data collection. * Beautiful typography – Clean, uncluttered layouts that make long reading comfortable. * Sleep timer – Set playback to stop automatically. Made for focused reading * Minimal, elegant interface that puts the text first. * Fast, reliable performance from first page to last. The on-device advantage * Best-in-class AI features without sending content to servers—reading stays personal and secure, even offline. Start the next chapter with Bukai: a reader that respects attention, time, and privacy.

About

Chorus Reader

Transform your documents, articles, and files into natural-sounding audiobooks. Enjoy real-time streaming and studio-quality speech synthesis entirely on your device, with no internet connection required. Choose from a variety of voices or clone your own for a personalized listening experience.

Highlights
  • On-device text-to-audiobook generation
  • Real-time audio streaming
  • Supports EPUB, PDF, text, and Markdown
  • 30+ built-in voices
  • Voice cloning and recording
  • Standard and Turbo generation modes
  • Offline functionality
Features
Read full description

Turn anything you can read into an audiobook — narrated on your device, in a voice you choose. Even your own. Drop in an EPUB, PDF, or article. Chorus Reader detects chapters, generates natural AI narration right on your iPhone or iPad, and streams the audio as it is created. No account, no upload — your books and your voice never leave the device. LISTEN TO YOUR OWN LIBRARY • EPUB, PDF, plain text, Markdown, Word, and Pages files — even photos of pages • Share any article from Safari and it is waiting in your library • Follow RSS feeds and listen to their newest articles • Chapters detected automatically; skip, scrub, and set a sleep timer • Audio streams while it generates — start listening in seconds, keep listening in the background A BOOKSTORE, BUILT IN • The Chorus Library: more than a hundred hand-picked classics, free for every reader • Hear a sample of the actual book before you shelve it — narrated on the spot, on your device, in your chosen voice • A curated list of open-access research papers, organized by field, with the reason each one was chosen • One tap moves any of it into your library, ready to narrate PICK A VOICE — OR CLONE ONE • Standard engine (free): 40+ natural voices, narrating in English, Spanish, French, Italian, Portuguese, and Hindi • Personal engine: clone any voice from 15 seconds of audio — yours, a friend's, a favorite narrator. English is built in; Spanish, French, German, Italian, and Portuguese download when you want them • Premium engine (on higher-memory iPhones and iPads): the most expressive narration, with multi-voice character dialogue PRIVATE BY DESIGN Narration happens on your device. There is no account, and nothing you read, record, or generate is ever uploaded — we could not see it if we wanted to. Airplane mode works fine for listening. FREE TO TRY, ONE-TIME UPGRADE The free tier includes the Standard engine, 40+ voices in six languages, audio export, the entire Chorus Library, and your first imported book. A single one-time purchase — never a subscription — unlocks every engine your device supports, voice cloning, multi-voice narration, and unlimited imports. Everything we ship later is included. WHAT READERS USE IT FOR • The half-finished novel sitting in your reading app • Textbooks and papers nobody bothered to record • Newsletters and longreads saved for "later" • Hearing drafts read back in your own voice Chorus Reader is built for the books you actually want to read.

Screenshots

Bukai4 screens
Chorus Reader4 screens

Verdict

The call

The clearest difference is price: Chorus Reader at Free against Bukai's $4.99. Bukai's advantage is in-app purchases (none vs 1) and iOS requirement (18.0 vs 26.0). On update cadence, ads 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

Chorus Reader is free to download; Bukai costs $4.99 up front. Chorus Reader sells 1 one-off in-app purchase. Bukai asks for nothing beyond the download.

UpkeepUpdate frequency

Bukai ships an update every 6 days, Chorus Reader weekly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Bukai versus Chorus Reader: the parameters behind the verdict, then further details
ParameterBukaiChorus Reader
Price$4.99Free — better
Rating—4.7 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 6 days — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.0
Further details — not scored
Size38 MB1.9 GB
Age rating4+4+
Developer社桥 郑Aleksander Allen

In-app purchases

None

Bukai

No in-app purchases

1 purchases

Chorus Reader

One-time1
  • Unlock Chorus$9.99

Questions

Is Bukai free?
Bukai costs $4.99, with no in-app purchases.
Is Chorus Reader free?
Chorus Reader is free to download, with in-app purchases available.
Do Bukai or Chorus Reader have ads?
Neither Bukai nor Chorus Reader shows ads.
Which is updated more often, Bukai or Chorus Reader?
Bukai ships an update every 6 days, and Chorus Reader weekly. Most recently, Bukai was updated on October 26, 2026 and Chorus Reader on October 24, 2026.

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