# Simple vs Calc Ninja

The clearest difference is update cadence: Calc Ninja at monthly against Simple's every 7 months. On price, ads, 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.

Simple ships an update every 7 months, Calc Ninja monthly. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Simple | Calc Ninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (63 ratings)](https://appshunter.io/ios/app/simple-freecell/id892392448/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 16 MB | 118 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [KENTA OKAMURA](https://appshunter.io/developer/688249455) | [kotaro yamada](https://appshunter.io/developer/1193903506) |

## What reviewers say

### Simple

[App page](https://appshunter.io/ios/app/simple-freecell/id892392448)

Enjoy a classic card game experience on your smartphone. Move cards with a single tap and strategically place them in home cells. Undo moves anytime to correct mistakes and pass the time comfortably.

**Highlights:** One-tap card movement, Undo functionality, Classic FreeCell gameplay, Comfortable play design, Ideal for short breaks

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

**In-app purchases:** none


### Calc Ninja

[App page](https://appshunter.io/ios/app/calc-ninja-mental-math-games/id6784948949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple free?

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

### Is Calc Ninja free?

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

### Do Simple or Calc Ninja have ads?

Both Simple and Calc Ninja show ads.

### Which is updated more often, Simple or Calc Ninja?

Simple ships an update every 7 months, and Calc Ninja monthly. Most recently, Simple was updated on October 21, 2026 and Calc Ninja on October 13, 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.*