# C vs Matching Memory 3D

The clearest difference is in-app purchases: C at none against Matching Memory 3D's 1. C also leads on ads (none vs shown). Matching Memory 3D's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Matching Memory 3D sells 1 one-off in-app purchase. C asks for nothing beyond the download.

C ships an update every 27 months, Matching Memory 3D every 37 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | C | Matching Memory 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/matching-memory-3d/id1574012141/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 27 months** | Every 37 months |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 106 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IFL Software](https://appshunter.io/developer/518163778) | [Phuong Ta](https://appshunter.io/developer/1466076556) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-line/id978549847)

**Features:** macOS Compatibility

**In-app purchases:** none


### Matching Memory 3D

[App page](https://appshunter.io/ios/app/matching-memory-3d/id1574012141)

A classic memory matching game designed to improve concentration, attention, and brain skills. It features various image categories and difficulty levels for players of all ages. Challenge your memory with daily brain exercises and see the difference it makes.

**Highlights:** Classic memory matching gameplay, Improves memory, concentration, and attention, Multiple image categories (logos, animals, cartoons), Adjustable difficulty levels, Story mode and quick play options, Suitable for all ages

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |


## Frequently asked questions

### Is C free?

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

### Is Matching Memory 3D free?

Matching Memory 3D is free to download, with in-app purchases available.

### Do C or Matching Memory 3D have ads?

Matching Memory 3D shows ads; C does not.

### Which is updated more often, C or Matching Memory 3D?

C ships an update every 27 months, and Matching Memory 3D every 37 months. Most recently, C was updated on November 6, 2026 and Matching Memory 3D on November 3, 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.*