# Ninja Fight Clock vs Calculator 2 Memory

The clearest difference is in-app purchases: Calculator 2 Memory at none against Ninja Fight Clock's 1. Calculator 2 Memory also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Ninja Fight Clock sells 1 one-off in-app purchase. Calculator 2 Memory asks for nothing beyond the download.

## The numbers

| Metric | Ninja Fight Clock | Calculator 2 Memory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Size | 25 MB | 41 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Sergii Kulish](https://appshunter.io/developer/1813433439) |

## What reviewers say

### Ninja Fight Clock

[App page](https://appshunter.io/ios/app/ninja-fight-clock/id6461210488)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ninja Fight Clock with no ads | $2.99 | one-time |


### Calculator 2 Memory

[App page](https://appshunter.io/ios/app/calculator-2-memory/id6745712153)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ninja Fight Clock free?

Ninja Fight Clock is free to download, with in-app purchases available.

### Is Calculator 2 Memory free?

Calculator 2 Memory is free to download, with no in-app purchases.

### Do Ninja Fight Clock or Calculator 2 Memory have ads?

Ninja Fight Clock shows ads; Calculator 2 Memory does not.

---

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