Apollo Books Tracker vs Earmark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Apollo Books Tracker
Organize your personal library by adding books through search or barcode scanning. Track reading progress, add notes, and filter your collection. Enjoy automatic iCloud sync and a customizable interface.
- Add books via search or barcode scan
- Track reading status
- Add and search book notes
- Filter and sort library
- iCloud synchronization
- Customizable interface
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Apollo Book Tracker is an iPhone and iPad app that helps you track your readings and build your digital books collection. With Apollo Books Tracker you can: * Add books to your library by searching books information on the internet. * Add books to your library by scanning a physical book barcode. * Set your books reading status to keep track of what you are reading, what you’ve already read, and what you will read. * Filter and sort your library to access the relevant information. * Add notes to your books and search them quickly. * Set books format to keep track of paper books, e-books and audiobooks. * Choose your favorite library layout. * Customise the app’s look-and-feel and choose your favorite accent color. * Take advantage of automatic iCloud synchronisation and access your library from all your mobile devices with no need to export and import your data. * Track book without being tracked in any way. Apollo Books Tracker does not collect your information and your privacy is never affected. Pricing: * Apollo Books Tracker is totally FREE and has no ads.
Earmark
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Your audiobooks. Your files. Your place in the story. Earmark brings your MP3s, M4Bs and other audio files into a personal audiobook library. Listen from folders in Files or iCloud Drive, stream from your NAS, or download books for offline listening. No account, subscription or ads. SETTLE INTO A GOOD BOOK • Adjust playback from 0.5x to 3x with natural pitch and a speed remembered for each book. • Jump between chapters, skip back or forward, and save bookmarks. • Fall asleep with a timer, including an end-of-chapter option. • Pick up the thread with smart rewind after a pause. • Control playback from the lock screen and CarPlay's Now Playing screen. • Save listening presets for the way you like to listen. A SHELF THAT MAKES SENSE Browse by author, series or folder, and search your collection. Earmark uses file tags and folder names to group tracks into books, including multi-disc folders. Find duplicates, adjust book groupings, and put tracks in the right order. Save smart lists and see new arrivals without losing your place. AT HOME OR ON THE ROAD Connect an SMB share to browse your NAS alongside local books. Stream while your server is reachable, or prepare books for an offline trip. Reconnect a moved library and back up your library state to keep your organization and listening progress safe. YOUR COLLECTION STAYS YOURS Playing a book leaves its audio files where they are. Downloads, moves into Earmark and uploads to your NAS happen only when you request them. Bring your own audiobooks; no catalog or books are included. Free and open source. No analytics, donation prompts or rating nags. Source code: github.com/vanities/earmark Supported audio: MP3, M4A, M4B, AAC, WAV, AIFF, CAF and FLAC.
Screenshots
Verdict
The clearest difference is update cadence: Earmark at weekly against Apollo Books Tracker's every 3 weeks. Apollo Books Tracker's advantage is iOS requirement (17.0 vs 26.0). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Apollo Books Tracker ships an update every 3 weeks, Earmark weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Apollo Books Tracker | Earmark |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 11 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Antonio Stigliano | AM2 LLC |
In-app purchases
Apollo Books Tracker
No in-app purchases
Earmark
No in-app purchases









