# Ninja Fight Clock vs Numerix Calculator

The clearest difference is ads: Numerix Calculator at none against Ninja Fight Clock's shown. Ninja Fight Clock's advantage is update cadence (every 3 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Ninja Fight Clock sells 1 one-off in-app purchase and Numerix Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ninja Fight Clock ships an update every 3 weeks, Numerix Calculator every 6 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ninja Fight Clock | Numerix Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numerix-calculator/id6759518271/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 109 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Amit Kandial](https://appshunter.io/developer/1858479815) |

## 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 |


### Numerix Calculator

[App page](https://appshunter.io/ios/app/numerix-calculator/id6759518271)

This app offers a modern and stylish calculator with both basic and advanced scientific functions. It features a clean interface, customizable themes, and a history of recent calculations for easy access. Perfect for everyday math and complex scientific computations.

**Highlights:** Basic calculations, Scientific functions (sin, cos, tan, log, etc.), Degree and radian modes, Calculation history, Customizable themes, Memory functions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Theme | $0.99 | one-time |


## Frequently asked questions

### Is Ninja Fight Clock free?

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

### Is Numerix Calculator free?

Numerix Calculator is free to download, with in-app purchases available.

### Do Ninja Fight Clock or Numerix Calculator have ads?

Ninja Fight Clock shows ads; Numerix Calculator does not.

### Which is updated more often, Ninja Fight Clock or Numerix Calculator?

Ninja Fight Clock ships an update every 3 weeks, and Numerix Calculator every 6 months. Most recently, Ninja Fight Clock was updated on October 27, 2026 and Numerix Calculator on October 28, 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.*