Comparison

Readest vs Athene Reader

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

Head to head
About

Readest

This app is a powerful ebook reader designed for deep thinkers and researchers. It offers advanced annotation tools, seamless device syncing, and robust library management with OPDS and Calibre support. Enjoy a distraction-free reading experience with customizable modes and multi-book viewing for enhanced study and analysis.

Highlights
  • OPDS Online Libraries
  • Calibre Integration
  • Sync Across Devices
  • Bookshelf Management
  • Customizable Reading Modes
  • Multi-Book View
  • Advanced Annotations & Highlights
Features
Read full description

Readest is an ebook reader for people who read a lot, and who want their books, notes and reading position on whatever device is nearest. Open EPUB, PDF, MOBI, AZW3, FB2, CBZ, TXT and Markdown in one library. Pull books from OPDS catalogs or from your own Calibre server. Read, annotate, listen, translate. Made for iPhone and iPad • CarPlay, so you can keep listening on the road with playback controls on the dashboard • Download read-aloud voices per book and listen with no connection at all • Add books from Files, Mail or any share sheet, and read them in place instead of copying them into a second library • Open up to four books at once on iPad and arrange them how you like Reading • Paginated or scrolling, with custom fonts, themes, spacing and margins • Vertical text for CJK books • Contrast and refresh tuned for e-ink screens • Full-text search inside a book Your library • Browse, search and download from OPDS catalogs and public libraries • Connect to Calibre or Calibre-Web, covers and metadata included • Organize with bookshelf groups you can rename Notes • Highlights, bookmarks and structured notes • Copy a highlight together with a deep link back to the passage • Export your annotations Listening and languages • Text-to-speech with downloadable offline voices • Translate a sentence, a page, or an entire book • Wikipedia and dictionary lookup without leaving the page Sync • Readest Cloud, or bring your own: iCloud, Google Drive, OneDrive, WebDAV, S3 • KOReader sync keeps your progress in step with your e-reader • iPhone, iPad, Mac, all other platforms and the web Readest is open source. Support: support@readest.com Privacy Policy: https://readest.com/privacy-policy Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Athene Reader

Organize and read your digital books from various sources. Customize your reading experience with adjustable fonts, colors, and layouts. Listen to your books, take notes, and even ask questions about the content with an AI assistant.

Highlights
  • Import books from various sources
  • Customizable reading interface
  • Text-to-speech functionality
  • Note-taking and highlighting
  • AI-powered content questions
  • Offline dictionary
  • iCloud Sync
Features
Read full description

Athene is a reader for the books you already own. Bring your books from Files, from Mail, from your computer over Wi‑Fi, from a link, or from anywhere that can share a file, and they go on a shelf that looks like one. EPUB and PDF open as they are; MOBI, AZW3, Word, FB2, TXT and HTML files become books as they arrive. Free classics from Project Gutenberg are a tap away. If you keep your library on a calibre server, Athene browses that shelf too — on your home network, or from anywhere through your own VPN such as Tailscale. THE PAGE Open a book and the app steps back. Just the page, on white, sepia or night paper, or paper in any colour you like, in the typeface and size you read best, including any Google Font. Highlight a passage, add a note, drop a bookmark, and find them all again under Marks. The shelf itself follows the time of day — Morning, Sunset, Night — or stays on the one you pick. NOTES YOU CAN DRAW Type a note in the margin, or sketch in it. On a PDF, mark up the page itself with Apple Pencil. LISTEN Any book, read aloud in a warm, natural voice that runs entirely on your device, and keeps reading with the screen locked. The voice is a one-time download of about 242 MB. A DICTIONARY Select a word to see what it means and how to say it. It is built in, and it works offline. ASK THE PAGE Tap the owl while you read and ask about what is in front of you. Who is she again? What did that word mean? What just happened? The Owl answers from the pages around where you are — this chapter at most, never the whole book, never your other books — and if the pages do not say, it tells you that instead of guessing. YOUR MODEL, YOUR CHOICE On a device with Apple Intelligence, the Owl thinks on the device and nothing you ask is sent anywhere. Or point it at your own Ollama server on your own network. Or bring a key from Claude, OpenRouter or OpenAI. Athene asks before the first question leaves the device, names the address it would send to, and remembers your answer. ON EVERY DEVICE Turn on iCloud Sync and your place, highlights, notes, drawings, collections and reading settings follow you between your iPhone and iPad. It goes only to your own private iCloud, and what you wrote is encrypted on your device first. With a calibre server, your highlights and how far you've read can go back to your calibre library too. PRIVATE BY CONSTRUCTION Athene has no account, no analytics and no servers of its own. Your books, your notes and your questions stay on your device or go only where you have pointed them. The privacy policy says the same, in plain words. FREE Reading is free. No account, no subscription, no limit: the shelf, the reader, Listen, the dictionary, the Owl, iCloud Sync, your calibre server, your highlights and notes. Nothing in Athene is for sale. Athene requires iOS 26. The on-device Owl requires Apple Intelligence (iPhone 15 Pro and later, M-series iPad, iPad mini A17 Pro); on other devices the Owl works with your own Ollama server or an API key.

Screenshots

Readest4 screens
Athene Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Athene Reader at none against Readest's 9. Athene Reader also leads on update cadence (every 2 days vs fortnightly). Readest's advantage is ratings volume (185 vs 6) and rating (4.5 vs 4.3). On price, review sentiment, 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

Both are free to download. Readest sells 9 in-app purchases, starting at $4.99 per month. Athene Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Readest holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Readest has 185 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of Readest's written reviews are positive against 80% of Athene Reader's.

UpkeepUpdate frequency

Readest ships an update fortnightly, Athene Reader every 2 days. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Readest versus Athene Reader: the parameters behind the verdict, then further details
ParameterReadestAthene Reader
PriceFreeFree
Rating4.5 (185 ratings) — better4.3 (6 ratings)
Positive reviews83.9% of reviews — better80.0% of reviews
Number of ratings185 — better6
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.4 — better26.0
Further details — not scored
Size57 MB36 MB
Age rating4+4+
DeveloperBilingify LLCAditya Sreedhar

Customer experience

Readest

All ratings185 ratings
Positive86.5%
Neutral5.4%
Negative8.1%
Written reviews280 reviews
Positive83.9%
Neutral5.4%
Negative10.7%

Athene Reader

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

9 purchases

Readest

Subscriptions4
  • Subscribe to Plus Plan$4.991 Month
  • Subscribe to Pro Plan$9.991 Month
  • Subscribe to Plus Plan$49.991 Year
Show 1 more
  • Subscribe to Pro Plan$99.991 Year
One-time5
  • 1 GB$9.99
  • 2 GB$14.99
  • Full Customization$19.99
Show 2 more
  • 5 GB$29.99
  • 10 GB$49.99
None

Athene Reader

No in-app purchases

Questions

Is Readest free?
Readest is free to download, with in-app purchases available.
Is Athene Reader free?
Athene Reader is free to download, with no in-app purchases.
Which has better reviews, Readest or Athene Reader?
Readest is rated higher. Readest averages 4.5 out of 5 from 185 ratings, while Athene Reader averages 4.3 from 6 ratings.
Do Readest or Athene Reader have ads?
Neither Readest nor Athene Reader shows ads.
Which is updated more often, Readest or Athene Reader?
Readest ships an update fortnightly, and Athene Reader every 2 days. Most recently, Readest was updated on October 14, 2026 and Athene Reader on October 5, 2026.

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