# Itsu vs シンプル誕生日カレンダー

Itsu and シンプル誕生日カレンダー are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Itsu ships an update every 14 months, シンプル誕生日カレンダー every 8 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Itsu | シンプル誕生日カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 14 months | **Every 8 months** |
| Size | 6 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [risaiku LLC.](https://appshunter.io/developer/1028305769) | [gen endo](https://appshunter.io/developer/1616292897) |

## What reviewers say

### Itsu

[App page](https://appshunter.io/ios/app/itsu-log/id1528106560)

**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 Itsu free?

Itsu 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 Itsu or シンプル誕生日カレンダー have ads?

Both Itsu and シンプル誕生日カレンダー show ads.

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

Itsu ships an update every 14 months, and シンプル誕生日カレンダー every 8 months. Most recently, Itsu was updated on October 27, 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.*