# EonBook vs TomoTomo

The clearest difference is in-app purchases: TomoTomo at none against EonBook's 1. EonBook's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. EonBook sells 1 one-off in-app purchase. TomoTomo asks for nothing beyond the download.

EonBook ships an update every 3 days, TomoTomo every 4 days. The most recent releases landed on September 10, 2026 and July 18, 2026 respectively.

## The numbers

| Metric | EonBook | TomoTomo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/tomotomo/id6778601579/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free |
| Size | 58 MB | 68 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [海声 池](https://appshunter.io/developer/1889531365) | [Tyler Mulvey](https://appshunter.io/developer/1896283496) |

## What reviewers say

### EonBook

[App page](https://appshunter.io/ios/app/eonbook/id6766190345)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | $5.99 | one-time |


### TomoTomo

[App page](https://appshunter.io/ios/app/tomotomo/id6778601579)

Seamlessly switch between reading ebooks and listening to audiobooks. Your progress is automatically synced across both formats, ensuring you never lose your place. Enjoy a clean, distraction-free experience with support for standard epub and audiobook files.

**Highlights:** Sync position between epub and audiobook, Switch between reading and listening, Automatic position carry-over, Distraction-free reading, Supports standard epub and audiobook formats

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EonBook free?

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

### Is TomoTomo free?

TomoTomo is free to download, with no in-app purchases.

### Do EonBook or TomoTomo have ads?

Neither EonBook nor TomoTomo shows ads.

### Which is updated more often, EonBook or TomoTomo?

EonBook ships an update every 3 days, and TomoTomo every 4 days. Most recently, EonBook was updated on September 10, 2026 and TomoTomo on July 18, 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.*