# Starling Calculator vs Usagi Calc

The clearest difference is in-app purchases: Usagi Calc at none against Starling Calculator's 3. Usagi Calc also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Starling Calculator sells 3 in-app purchases, starting at $4.99 per year. Usagi Calc asks for nothing beyond the download.

## The numbers

| Metric | Starling Calculator | Usagi Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 16 MB | 21 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文之 虞](https://appshunter.io/developer/1893499984) | [Takashi Kuwahara](https://appshunter.io/developer/1877604508) |

## What reviewers say

### Starling Calculator

[App page](https://appshunter.io/ios/app/starling-calculator/id6762246215)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starling Pro | $4.99 | per year |
| Starling Pro | $2.99 | one-time |
| Starling Pro | $6.99 | 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 Starling Calculator free?

Starling Calculator 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 Starling Calculator or Usagi Calc have ads?

Neither Starling Calculator 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.*