# Simple Puzzle Learning Riddle vs Operatum

The clearest difference is iOS requirement: Simple Puzzle Learning Riddle at 9.0 against Operatum's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Puzzle Learning Riddle sells 1 one-off in-app purchase and Operatum sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simple Puzzle Learning Riddle | Operatum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 9 months |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 49 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prathed Sangwongvanit](https://appshunter.io/developer/999020467) | [YUNUS SARIBULUT](https://appshunter.io/developer/1763637727) |

## What reviewers say

### Simple Puzzle Learning Riddle

[App page](https://appshunter.io/ios/app/simple-puzzle-learning-riddle/id1585560664)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Operatum

[App page](https://appshunter.io/ios/app/operatum-sudoku-math-games/id6642707816)

Enhance your mathematical abilities with this engaging game. It offers Classic and Sudoku modes to make learning math fun for all ages, from beginners to advanced users.

**Highlights:** Improve math skills, Classic mode, Sudoku mode, Engaging gameplay, Suitable for all ages

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Token | $0.99 | one-time |
| 100 Token | $0.99 | one-time |
| 50 Token | $1.99 | one-time |
| 200 Token | $1.99 | one-time |
| 500 Token | $3.99 | one-time |
| Remove Ads | $7.99 | one-time |


## Frequently asked questions

### Is Simple Puzzle Learning Riddle free?

Simple Puzzle Learning Riddle is free to download, with in-app purchases available.

### Is Operatum free?

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

### Do Simple Puzzle Learning Riddle or Operatum have ads?

Both Simple Puzzle Learning Riddle and Operatum show ads.

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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.*