# appCalculator vs シンプル誕生日カレンダー

The clearest difference is ads: appCalculator at none against シンプル誕生日カレンダー's shown. シンプル誕生日カレンダー's advantage is update cadence (every 8 months vs every 48 months) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

appCalculator ships an update every 48 months, シンプル誕生日カレンダー every 8 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | appCalculator | シンプル誕生日カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 48 months | **Every 8 months** |
| Size | 0 MB | 6 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masato Takahashi](https://appshunter.io/developer/767386750) | [gen endo](https://appshunter.io/developer/1616292897) |

## What reviewers say

### appCalculator

[App page](https://appshunter.io/ios/app/appcalculator/id1581314930)

**Features:** macOS Compatibility

**In-app purchases:** none


### シンプル誕生日カレンダー

[App page](https://appshunter.io/ios/app/id1616292895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is appCalculator free?

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

### Is シンプル誕生日カレンダー free?

シンプル誕生日カレンダー is free to download, with no in-app purchases.

### Do appCalculator or シンプル誕生日カレンダー have ads?

シンプル誕生日カレンダー shows ads; appCalculator does not.

### Which is updated more often, appCalculator or シンプル誕生日カレンダー?

appCalculator ships an update every 48 months, and シンプル誕生日カレンダー every 8 months. Most recently, appCalculator was updated on October 25, 2026 and シンプル誕生日カレンダー 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.*