Iota Reader vs Sponge Audiobooks
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Iota Reader
This app provides a reading experience for Georgian books, magazines, and newspapers. Easily search, buy, and read content from a large selection of Georgian literature, with customizable reading settings and built-in Georgian fonts.
- Access to free Georgian eBooks
- Synchronize with personal Lit.ge library
- Adjustable font size and type
- Night reading mode
- In-book search and term lookup
- Georgian text-to-speech
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IOTA Reader from Lit.ge offers an incredible reading experience for Lit.ge Books, Magazines and Newspapers on your iPad, iPhone and iPod. Lit.ge is the first Georgian shop for eBooks offering hundreds of Georgian books. It also offers some foreign books but primarily is oriented on Georgian language reader. Using this application it is very easy to search for, buy and read a desired book on Lit.ge. IOTA Reader has the following features: • Free Georgian eBooks; • Turn pages with the flick of a finger; • Auto synchronize your device with personal library on Lit.ge; • Adjustable font size - make the text as big as you want for comfortable reading; • Multiple font types; • Embedded Georgian fonts so you can read in the typeface you like best, without installing Georgian Fonts on your device; • Brightness control for easy reading in any light; • Night reading mode; • The ability to search inside the book and look up terms; • Add bookmarks; • Use Georgian text to speech to read the books; • And many more…
Sponge Audiobooks
Listen to audiobooks directly on your Apple Watch without needing your iPhone. Supports offline playback and connects to various audiobook sources like Librivox and Audiobookshelf. Ideal for children to enjoy stories independently.
- Play audiobooks directly on Apple Watch
- No iPhone required
- Offline playback via downloads
- Supports Librivox and Audiobookshelf
- Sync progress to Audiobookshelf
- Designed for Apple Watch For Your Kids
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Play audiobooks directly from your Apple Watch. No iPhone required. Connect to multiple different sources of audiobooks, from the great Librivox site online, or use your own self-hosted audiobooks with Audiobookshelf. And more sources are on the way! Designed particularly for Apple Watch For Your Kids (formerly "Family Setup"). Kids can listen to audiobooks instead of staring at screens. Features: - No iPhone required - Download to play books offline. Swipe to the left to download. - Auto sync progress to Audiobookshelf server (when available) - Add many audiobook sources. Press+Hold to copy a source - No need to type URL or password on your tiny watch: https://spongeaudio.com/setup-sources.html
Screenshots
Verdict
The clearest difference is rating: Sponge Audiobooks at 5.0 against Iota Reader's 2.2. Sponge Audiobooks also leads on update cadence (monthly vs every 5 months). Iota Reader's advantage is ratings volume (20 vs 1) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model 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.
Sponge Audiobooks holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: Iota Reader has 20 ratings behind it against 1, so its average is the more settled of the two.
Iota Reader ships an update every 5 months, Sponge Audiobooks monthly. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.
| Parameter | Iota Reader | Sponge Audiobooks |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (20 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 20 — better | 1 |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 8 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Lit.ge | Expeditionary Logic |
Customer experience
Iota Reader
Sponge Audiobooks
In-app purchases
Iota Reader
No in-app purchases
Sponge Audiobooks
No in-app purchases
Questions
Is Iota Reader free?
Is Sponge Audiobooks free?
Which has better reviews, Iota Reader or Sponge Audiobooks?
Do Iota Reader or Sponge Audiobooks have ads?
Which is updated more often, Iota Reader or Sponge Audiobooks?
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