# Nifty Ninja vs Retro Memory Puzzle

The clearest difference is ads: Nifty Ninja at none against Retro Memory Puzzle's shown. Nifty Ninja also leads on iOS requirement (11.0 vs 15.6). Retro Memory Puzzle's advantage is update cadence (weekly vs every 21 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nifty Ninja ships an update every 21 months, Retro Memory Puzzle weekly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nifty Ninja | Retro Memory Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/nifty-ninja/id1029724125/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | Free | — |
| Size | 38 MB | 128 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Calen McCann](https://appshunter.io/developer/1018147015) | [Duong Pham Son](https://appshunter.io/developer/1297138564) |

## What reviewers say

### Nifty Ninja

[App page](https://appshunter.io/ios/app/nifty-ninja/id1029724125)

Embark on an endless running adventure as a ninja, leaping over obstacles and aiming for the highest score. Test your reflexes and survival skills in this highly engaging game.

**Highlights:** Endless running gameplay, Jump over throwing stars, High score challenges, Survival mechanics, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Memory Puzzle

[App page](https://appshunter.io/ios/app/retro-memory-puzzle/id6774979445)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nifty Ninja free?

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

### Is Retro Memory Puzzle free?

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

### Do Nifty Ninja or Retro Memory Puzzle have ads?

Retro Memory Puzzle shows ads; Nifty Ninja does not.

### Which is updated more often, Nifty Ninja or Retro Memory Puzzle?

Nifty Ninja ships an update every 21 months, and Retro Memory Puzzle weekly. Most recently, Nifty Ninja was updated on November 1, 2026 and Retro Memory Puzzle on October 24, 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.*