Is there a good app for sync audiobook progress across devices?
Prime Gap: 32 apps already serve this, and 80 data points mined from real user reviews across 3 sources show where they fall short. Heavily used and done badly — the most disruptable kind of gap.
Data refreshed September 7, 2026 · scores recompute weekly as new reviews are mined, so re-check before you build.
Like music, the value is a licensed catalog, and Audible (Amazon) dominates distribution and publisher deals. A solo dev can't license the major publishers. The only sliver is public-domain audio (LibriVox, Project Gutenberg) — a real but much smaller, different product.
Moat: the licensed catalog is the product · why: Audible/Amazon dominate audiobook distribution · commercial catalog requires publisher licensing · only unencumbered source is public domain (LibriVox/Gutenberg)
What users complain about
The most common complaints behind apps that try to sync audiobook progress across devices, mined and clustered from real reviews:
| Complaint area | Type | Mentions | What a user said |
|---|---|---|---|
| no audiobook sample preview | missing-feature | 2 | I can't play a sample of any audiobooks before I borrow them |
| cross-device sync broken | reliability | 2 | L'historique et les favoris ne se mettent pas à jour d'un appareil à l'autre, la synchronisation ne fonctionne pas |
| cross-device progress sync | missing-feature | 1 | I really needed a progress sync between devices |
| sync playback position across devices | missing-feature | 1 | A sincronização deveria sincronizar também o que foi reproduzido... e em qual tempo |
| audiobook speed resets after update | bug | 1 | Since the new update I have to rest my speed on the audiobook |
| no progress sync across devices | reliability | 1 | I got a new phone and all my progress was lost |
| cross-device reading position sync | bug | 1 | It refuses to sync your reading location between the two devices |
| audiobook playback position tracking too sensitive | ux | 1 | too easy to move forward or back in the track and hard to find where you actually were |
| downloaded audiobooks require internet access | reliability | 1 | Despite downloading them, you do still need access to Internet for new titles |
| playback-queue sync across devices | missing-feature | 1 | no solo se sincronice el punto de escucha, sino todas las colas de reproducción |
| hard to reach audiobooks screen after updates | ux | 1 | seems like after every major update it takes more effort to get there |
| show chapter + book progress in Android Auto | missing-feature | 1 | poter visualizzare in android auto sia avanzamento capitoli che avanzamento libro contemporaneamente |
Apps that already serve this
| App | Rating | Ratings | Price |
|---|---|---|---|
| Audible: Audiobooks & Podcasts | 4.9 | 5,587,915 | Free |
| Smart AudioBook Player | 4.9 | 195,549 | Free |
| Audiobooks by AudiobookSTORE | 2.9 | 1,541 | Free |
| Möbius Sync Pro | 4.0 | 27 | $4.99 |
| Listen Audiobook Player | 4.6 | 5,442 | $1.99 |
| Music Library Tracker | 4.5 | 103 | $3.99 |
| In Progress: Local Music | 5.0 | 9 | $1.99 |
| [untitled] | 4.9 | 17,451 | Free |
Should you build it?
Heavily used and done badly — the most disruptable kind of gap. Opportunity here scores 86 out of 100 — a function of demand, how crowded the field is, and how badly the existing apps perform. Use the live map to compare it against adjacent tasks.
Who has tried building this
| Project | Status | Stars | Stack |
|---|---|---|---|
| ampirzadeh/MusicSync | stale | 2 | Vue |
Open-source projects that attempted this task — active ones show today's bar; abandoned ones are a signal to validate why earlier attempts died.
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