Frequently Asked Questions

FableFrog is a native iOS client for Audiobookshelf, the open-source self-hosted audiobook server. It connects to your existing Audiobookshelf server and provides a polished, feature-rich listening experience on your iPhone.

Yes. FableFrog is a client app that connects to your self-hosted Audiobookshelf instance. If you don't have one yet, check out audiobookshelf.org to get started.

iOS 17 or later.

FableFrog is not open source, but it's built for the open-source Audiobookshelf ecosystem. The Audiobookshelf server itself is open source.

FableFrog is fully localized in 15+ languages: English, German, Spanish, French, Italian, Japanese, Korean, Dutch, Polish, Portuguese (Brazil), Swedish, Turkish, Chinese (Simplified & Traditional), Finnish, Greek, Arabic, and Hebrew. This includes full RTL support.

Enter your server URL in the login screen, then sign in with your Audiobookshelf username and password. See our connection guide in the documentation for detailed instructions.

Yes. FableFrog supports custom HTTP headers, making it compatible with Caddy, Nginx, Traefik, and other reverse proxy setups.

Yes. FableFrog supports OpenID Connect authentication. It works with Keycloak, Authelia, Authentik, and other OIDC-compliant identity providers.

Currently, FableFrog connects to one server at a time. You can switch between libraries on the same server without signing out.

Offline downloads, Smart Downloads, listening statistics, 16 additional themes, custom app icons, and customizable lock screen widget icons.

$12 one-time (lifetime) or $8/year. The free tier includes full streaming, playback controls, bookmarks, playlists, series tracking, CarPlay, widgets, and all 4 free themes.

The annual option is a subscription managed by Apple. The lifetime option is a one-time purchase with no recurring charges. Both options provide the same features.

No. FableFrog does not collect, store, or transmit any user data to us. All data flows directly between your device and your Audiobookshelf server. No analytics, no telemetry, no ads. Our App Store privacy label is "Data Not Collected."

In the iOS Keychain, using the kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly protection level. Credentials are never stored in files, UserDefaults, or databases.

Credentials, cached library metadata, progress, and bookmarks are wiped. Your per-book settings (playback speed, skip intervals), ratings, and playlists are preserved but isolated to your account — other users on the same device won't see them. Downloaded audiobook files are also preserved.

Yes. FableFrog isolates per-user local data (book settings, ratings, playlists) by account. When a different user signs in on the same device, they cannot see your data. Your data is preserved and automatically restored when you sign back in.

0.5x to 3.0x in 0.25x increments. You can set a global default and override it per book.

Volume boost amplifies the audio output from 0% to 200% above normal. Useful for quietly narrated audiobooks. Can be set globally or per book.

Yes. FableFrog includes a dedicated CarPlay interface optimized for safe in-car use.

Yes. The player includes a built-in AirPlay route picker.

Yes, with Premium. Download audiobooks over Wi-Fi (or cellular, if enabled) and listen without a network connection.

Smart Downloads automatically download a book after you've listened to it for a configurable amount of time (5-30 minutes), and optionally removes it when you finish. Set it and forget it.