# Reeft Abcus vs Mozaik

The clearest difference is in-app purchases: Reeft Abcus at none against Mozaik's 1. Reeft Abcus also leads on iOS requirement (14.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mozaik sells 1 one-off in-app purchase. Reeft Abcus asks for nothing beyond the download.

Reeft Abcus ships an update fortnightly, Mozaik every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reeft Abcus | Mozaik |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 50 MB | 7 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hoi Le Thang](https://appshunter.io/developer/6786999190) | [Ideja 3000 doo Uzice](https://appshunter.io/developer/1783558987) |

## What reviewers say

### Reeft Abcus

[App page](https://appshunter.io/ios/app/reeft-abcus/id6786999188)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mozaik

[App page](https://appshunter.io/ios/app/mozaik-secret-messages/id6793134387)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mozaik Premium | $3.99 | one-time |


## Frequently asked questions

### Is Reeft Abcus free?

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

### Is Mozaik free?

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

### Do Reeft Abcus or Mozaik have ads?

Neither Reeft Abcus nor Mozaik shows ads.

### Which is updated more often, Reeft Abcus or Mozaik?

Reeft Abcus ships an update fortnightly, and Mozaik every 2 weeks. Most recently, Reeft Abcus was updated on October 31, 2026 and Mozaik on October 25, 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.*