# Cardmatcher vs OJ Memory

The clearest difference is in-app purchases: OJ Memory at none against Cardmatcher's 1. OJ Memory also leads on ads (none vs shown) and update cadence (every 2 days vs every 6 days). Cardmatcher's advantage is iOS requirement (15.2 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Cardmatcher sells 1 one-off in-app purchase. OJ Memory asks for nothing beyond the download.

Cardmatcher ships an update every 6 days, OJ Memory every 2 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cardmatcher | OJ Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 16 MB | 112 MB |
| Requires iOS | **15.2** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ilkay Girgin](https://appshunter.io/developer/1646795936) | [Jonas Hedberg](https://appshunter.io/developer/6797882148) |

## What reviewers say

### Cardmatcher

[App page](https://appshunter.io/ios/app/cardmatcher-pair-matching-game/id6444013469)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | 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 Cardmatcher free?

Cardmatcher 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 Cardmatcher or OJ Memory have ads?

Cardmatcher shows ads; OJ Memory does not.

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

Cardmatcher ships an update every 6 days, and OJ Memory every 2 days. Most recently, Cardmatcher was updated on October 27, 2026 and OJ Memory 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.*