# MathOn! vs 星空とおじいさん

The clearest difference is in-app purchases: 星空とおじいさん at none against MathOn!'s 5. 星空とおじいさん also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. MathOn! sells 5 one-off in-app purchases. 星空とおじいさん asks for nothing beyond the download.

## The numbers

| Metric | MathOn! | 星空とおじいさん |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 746 MB | 246 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emerald Wizard Studios](https://appshunter.io/developer/1806298573) | [runato sakano](https://appshunter.io/developer/1826252641) |

## What reviewers say

### MathOn!

[App page](https://appshunter.io/ios/app/mathon/id6744154310)

A fast-paced math game that challenges your arithmetic skills against the clock. Solve equations to progress, use power-ups strategically, and compete on global leaderboards. The game continues indefinitely, testing your mental limits.

**Highlights:** Fast-paced arithmetic challenges, Time-based equation solving, Strategic power-up usage, Global leaderboard competition, Endless gameplay mode

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Gold | $1.99 | one-time |
| 2,000 Gold | $2.99 | one-time |
| 5,000 Gold | $5.99 | one-time |
| 10,000 Gold | $9.99 | one-time |
| Stop Ads | $14.99 | one-time |


### 星空とおじいさん

[App page](https://appshunter.io/ios/app/id6748552172)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MathOn! free?

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

### Is 星空とおじいさん free?

星空とおじいさん is free to download, with no in-app purchases.

### Do MathOn! or 星空とおじいさん have ads?

MathOn! shows ads; 星空とおじいさん does not.

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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.*