# DoserX vs Reef Book

The clearest difference is price: DoserX at Free against Reef Book's $5.99. DoserX also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (13.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

DoserX is free to download; Reef Book costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DoserX ships an update every 2 months, Reef Book every 6 months. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | DoserX | Reef Book |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 38 MB | 166 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Aqua-Trend](https://appshunter.io/developer/1612493517) | [ReefSoft LLC](https://appshunter.io/developer/1789068807) |

## What reviewers say

### DoserX

[App page](https://appshunter.io/ios/app/doserx/id1612493515)

**In-app purchases:** none


### Reef Book

[App page](https://appshunter.io/ios/app/reef-book/id6740756140)

**Features:** iMessage stickers

**In-app purchases:** none


## Frequently asked questions

### Is DoserX free?

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

### Is Reef Book free?

Reef Book costs $5.99, with no in-app purchases.

### Do DoserX or Reef Book have ads?

Neither DoserX nor Reef Book shows ads.

### Which is updated more often, DoserX or Reef Book?

DoserX ships an update every 2 months, and Reef Book every 6 months. Most recently, DoserX was updated on September 7, 2026 and Reef Book on September 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.*