# MosaicTrails vs OJ Memory

The clearest difference is in-app purchases: OJ Memory at none against MosaicTrails's 5. OJ Memory also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). MosaicTrails's advantage is iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. MosaicTrails sells 5 one-off in-app purchases. OJ Memory asks for nothing beyond the download.

MosaicTrails ships an update fortnightly, OJ Memory every 2 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | MosaicTrails | OJ Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 352 MB | 112 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Silly Paper SRL](https://appshunter.io/developer/1839856544) | [Jonas Hedberg](https://appshunter.io/developer/6797882148) |

## What reviewers say

### MosaicTrails

[App page](https://appshunter.io/ios/app/mosaictrails/id6752650397)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Gold Pack | $0.99 | one-time |
| Medium Gold Pack | $1.99 | one-time |
| Additional life | $2.99 | one-time |
| Huge Gold Pack | $2.99 | one-time |
| Remove Ads | $5.99 | one-time |


### OJ Memory

[App page](https://appshunter.io/ios/app/oj-memory/id6805472383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MosaicTrails free?

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

### Is OJ Memory free?

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

### Do MosaicTrails or OJ Memory have ads?

MosaicTrails shows ads; OJ Memory does not.

### Which is updated more often, MosaicTrails or OJ Memory?

MosaicTrails ships an update fortnightly, and OJ Memory every 2 days. Most recently, MosaicTrails was updated on October 20, 2026 and OJ Memory on October 19, 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.*