Comparison

Compendium Audiobooks vs Local AI Reader

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

Head to head
About

Compendium Audiobooks

Access a vast library of classic literature and philosophy as audiobooks. Enjoy chapter-by-chapter playback with adjustable speed and background listening. Start with free first chapters and unlock more content with an account.

Highlights
  • 690+ audiobooks library
  • Chapter-by-chapter playback
  • Adjustable playback speed
  • Background audio playback
  • Save progress across sessions
  • No sign-up required for free chapters
Features
Read full description

The great books. Beautifully read. Compendium is a library of 1,100+ classic audiobooks, from Plato and Marcus Aurelius to Austen, Dostoevsky, Shelley, Nietzsche and Poe. The text of every book is on screen while you listen. The first chapter of every book plays free, with no account needed. LISTEN AND READ - Switch between Listen and Read at any time. The sentence being read is highlighted as it plays. - Two narrators on selected titles, Nathaniel and Amelia. Switch mid-chapter without losing your place. THE LIBRARY - 1,100+ titles in philosophy, classic and literary fiction, gothic and horror, adventure, mystery, poetry, drama and history - Over 10,000 hours of listening, with new books added regularly THE PLAYER - Playback speed, 30-second skips, sleep timer and a chapter list - Background audio with lock-screen and Control Center controls - Download whole books to listen offline (subscribers) - Your place syncs across iPhone, Android and the web - Listening hours, books finished and your streak on the home screen - Share the line you're hearing as an Instagram Stories card - Add friends by username to see what they're reading ACCOUNTS AND SUBSCRIPTIONS A free account lets you keep one full book and saves your progress across devices. Full-library listening, account and subscription management happen on compendium.audio. Questions: support@compendium.audio

About

Local AI Reader

Features
Read full description

Local AI Reader turns any document into a personal audiobook using on-device AI voices that sound remarkably natural — no internet, no cloud, no privacy concerns. Import a PDF, EPUB, TXT or RTF from your Files app, iCloud Drive or any share sheet. Local AI Reader automatically splits the text into sentences and speaks them one by one, with every word highlighted in real time as it is read aloud. Follow along, skip ahead, or tap any sentence to jump straight to it. Choose from 8 distinct voices — American English and British English, male and female — each powered by a language model that runs entirely on your device!

Screenshots

Compendium Audiobooks4 screens
Local AI Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Compendium Audiobooks at none against Local AI Reader's 1. Compendium Audiobooks also leads on ads (none vs shown). On price, device support and iOS requirement 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

Both are free to download. Local AI Reader sells 1 one-off in-app purchase. Compendium Audiobooks asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Compendium Audiobooks versus Local AI Reader: the parameters behind the verdict, then further details
ParameterCompendium AudiobooksLocal AI Reader
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyWeekly—
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size8 MB570 MB
Age rating4+4+
DeveloperCompendium LLCVadym Vasylaki

In-app purchases

None

Compendium Audiobooks

No in-app purchases

1 purchases

Local AI Reader

One-time1
  • Unlock Premium$3.99

Questions

Is Compendium Audiobooks free?
Compendium Audiobooks is free to download, with no in-app purchases.
Is Local AI Reader free?
Local AI Reader is free to download, with in-app purchases available.
Do Compendium Audiobooks or Local AI Reader have ads?
Local AI Reader shows ads; Compendium Audiobooks does not.

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