# Math Plus Challenge Test Skill vs Stormy Tinkers

The clearest difference is in-app purchases: Stormy Tinkers at none against Math Plus Challenge Test Skill's 8. Stormy Tinkers also leads on update cadence (every 4 months vs every 19 months). Math Plus Challenge Test Skill's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Math Plus Challenge Test Skill sells 8 one-off in-app purchases. Stormy Tinkers asks for nothing beyond the download.

Math Plus Challenge Test Skill ships an update every 19 months, Stormy Tinkers every 4 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Math Plus Challenge Test Skill | Stormy Tinkers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/math-plus-challenge-test-skill/id1465689873/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 57 MB | 144 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phoenix Mind Games](https://appshunter.io/developer/1396381573) | [Adknown](https://appshunter.io/developer/1243054661) |

## What reviewers say

### Math Plus Challenge Test Skill

[App page](https://appshunter.io/ios/app/math-plus-challenge-test-skill/id1465689873)

Enhance your mathematical abilities with this engaging game. It offers challenging puzzles and allows you to track your progress against global scores. Suitable for all ages, it aims to improve brain power and math skills.

**Highlights:** Endless puzzle collection, Universal design for iPhone and iPad, Offline play available, Math learning tool, Reach high scores, Fast math drills

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pile Of Coins | $0.99 | one-time |
| Activate Adblock | $1.99 | one-time |
| Bulk Of Coins | $1.99 | one-time |
| Heap Of Coins | $2.99 | one-time |
| Batch Of Coins | $3.99 | one-time |
| Lot Of Coins | $4.99 | one-time |
| Mass Of Coins | $5.99 | one-time |
| Peak Of Coins | $6.99 | one-time |


### Stormy Tinkers

[App page](https://appshunter.io/ios/app/stormy-tinkers/id6468589390)

**In-app purchases:** none


## Frequently asked questions

### Is Math Plus Challenge Test Skill free?

Math Plus Challenge Test Skill is free to download, with in-app purchases available.

### Is Stormy Tinkers free?

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

### Do Math Plus Challenge Test Skill or Stormy Tinkers have ads?

Stormy Tinkers shows ads; Math Plus Challenge Test Skill does not.

### Which is updated more often, Math Plus Challenge Test Skill or Stormy Tinkers?

Math Plus Challenge Test Skill ships an update every 19 months, and Stormy Tinkers every 4 months. Most recently, Math Plus Challenge Test Skill was updated on October 20, 2026 and Stormy Tinkers on October 25, 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.*