# SimpleSigma+ vs つり丸カレンダー

The clearest difference is price: つり丸カレンダー at Free against SimpleSigma+'s $3.99. つり丸カレンダー also leads on iOS requirement (12.0 vs 17.1). On in-app purchases there is nothing between them.

つり丸カレンダー is free to download; SimpleSigma+ costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SimpleSigma+ | つり丸カレンダー |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 3 weeks | — |
| Size | 1 MB | 74 MB |
| Requires iOS | 17.1 | **12.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [YUKARI KIKUCHI](https://appshunter.io/developer/1324432413) | [Swivel](https://appshunter.io/developer/1643654441) |

## What reviewers say

### SimpleSigma+

[App page](https://appshunter.io/ios/app/simplesigma-plus/id1522991950)

**Features:** macOS Compatibility

**In-app purchases:** none


### つり丸カレンダー

[App page](https://appshunter.io/ios/app/id6477733242)

**In-app purchases:** none


## Frequently asked questions

### Is SimpleSigma+ free?

SimpleSigma+ costs $3.99, with no in-app purchases.

### Is つり丸カレンダー free?

つり丸カレンダー is free to download, with no in-app purchases.

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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.*