# Addition Algorithm vs Memory Games For Kids 2

The clearest difference is in-app purchases: Addition Algorithm at none against Memory Games For Kids 2's 2. Addition Algorithm also leads on update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Memory Games For Kids 2 sells 2 in-app purchases, starting at $0.99 per month. Addition Algorithm asks for nothing beyond the download.

Addition Algorithm ships an update every 6 days, Memory Games For Kids 2 every 3 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Addition Algorithm | Memory Games For Kids 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Size | 56 MB | 451 MB |
| Requires iOS | **16.0** | 17.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JASON A RIGBY](https://appshunter.io/developer/1811566397) | [Tomasz Cegielka](https://appshunter.io/developer/1895963416) |

## What reviewers say

### Addition Algorithm

[App page](https://appshunter.io/ios/app/addition-algorithm/id6760708208)

**Features:** macOS Compatibility

**In-app purchases:** none


### Memory Games For Kids 2

[App page](https://appshunter.io/ios/app/memory-games-for-kids-2-7/id6776598809)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Memory Games Lifetime Full Access | $3.99 | one-time |


## Frequently asked questions

### Is Addition Algorithm free?

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

### Is Memory Games For Kids 2 free?

Memory Games For Kids 2 is free to download, with in-app purchases available.

### Do Addition Algorithm or Memory Games For Kids 2 have ads?

Neither Addition Algorithm nor Memory Games For Kids 2 shows ads.

### Which is updated more often, Addition Algorithm or Memory Games For Kids 2?

Addition Algorithm ships an update every 6 days, and Memory Games For Kids 2 every 3 weeks. Most recently, Addition Algorithm was updated on October 1, 2026 and Memory Games For Kids 2 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*