# Fun Math vs Usagi Calc

The clearest difference is in-app purchases: Usagi Calc at none against Fun Math's 7. Usagi Calc also leads on iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Fun Math sells 7 in-app purchases, starting at $1.99 per month. Usagi Calc asks for nothing beyond the download.

## The numbers

| Metric | Fun Math | Usagi Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 105 MB | 21 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gokhan Alp Atar](https://appshunter.io/developer/1793941932) | [Takashi Kuwahara](https://appshunter.io/developer/1877604508) |

## What reviewers say

### Fun Math

[App page](https://appshunter.io/ios/app/fun-math-color-calculator/id6748783621)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |
| 100 Coin | $0.99 | one-time |
| 300 Coins | $2.49 | one-time |
| 500 Coins | $3.99 | one-time |
| 1000 Coins | $6.99 | one-time |
| Premium Lifetime | $19.99 | one-time |


### Usagi Calc

[App page](https://appshunter.io/ios/app/usagi-calc/id6764348021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fun Math free?

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

### Is Usagi Calc free?

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

### Do Fun Math or Usagi Calc have ads?

Neither Fun Math nor Usagi Calc shows 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.*