# proLibro vs Fable Frog

The clearest difference is update cadence: Fable Frog at every 6 days against proLibro's monthly. proLibro's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. proLibro sells 6 one-off in-app purchases and Fable Frog sells 2 in-app purchases, starting at $8.00 per year. Whichever you choose, the download price is not the number that matters.

proLibro ships an update monthly, Fable Frog every 6 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | proLibro | Fable Frog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/fable-frog/id6760953386/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 46 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CogniLore](https://appshunter.io/developer/566392511) | [Paul DeVito](https://appshunter.io/developer/1886989873) |

## What reviewers say

### proLibro

[App page](https://appshunter.io/ios/app/prolibro/id6499159159)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase 200 proLibro Credits | $2.99 | one-time |
| Purchase 500 proLibro Credits | $6.99 | one-time |
| Purchase 1000 proLibro Credits | $12.99 | one-time |
| Purchase 2000 proLibro Credits | $24.99 | one-time |
| Purchase 5000 proLibro Credits | $64.99 | one-time |
| Buy 10 000 proLibro Credits | $129.99 | one-time |


### Fable Frog

[App page](https://appshunter.io/ios/app/fable-frog/id6760953386)

This app is a native iOS client for Audiobookshelf, offering a premium listening experience for your self-hosted audiobook library. Enjoy features like variable playback speed, sleep timers, offline downloads, and detailed listening statistics. It also includes a deals feature to track Audible prices and a dedicated Carplay interface.

**Highlights:** Variable playback speed and volume boost, Sleep timer with presets, Chapter navigation with durations, Bookmarks with notes, Per-book playback settings, Offline downloads with smart management, Listening statistics and charts, CarPlay and widget support

**Features:** macOS Compatibility, Safari Extension, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $8.00 | per year |
| Premium Lifetime | $12.00 | one-time |


## Frequently asked questions

### Is proLibro free?

proLibro is free to download, with in-app purchases available.

### Is Fable Frog free?

Fable Frog is free to download, with in-app purchases available.

### Do proLibro or Fable Frog have ads?

Neither proLibro nor Fable Frog shows ads.

### Which is updated more often, proLibro or Fable Frog?

proLibro ships an update monthly, and Fable Frog every 6 days. Most recently, proLibro was updated on November 8, 2026 and Fable Frog on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*