# 日数カウントカレンダー vs atsumeru

The clearest difference is update cadence: atsumeru at every 3 days against 日数カウントカレンダー's monthly. 日数カウントカレンダー's advantage is iOS requirement (14.0 vs 18.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 日数カウントカレンダー sells 1 one-off in-app purchase and atsumeru sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

日数カウントカレンダー ships an update monthly, atsumeru every 3 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 日数カウントカレンダー | atsumeru |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Size | 32 MB | 4 MB |
| Requires iOS | **14.0** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Sasaki](https://appshunter.io/developer/1291219090) | [ASAHI MIZUTANI](https://appshunter.io/developer/1825777520) |

## What reviewers say

### 日数カウントカレンダー

[App page](https://appshunter.io/ios/app/id1508841934)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 非消耗型アイテム | $1.99 | one-time |


### atsumeru

[App page](https://appshunter.io/ios/app/atsumeru/id6748431704)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| クレジット５枚セット | $0.49 | one-time |
| クレジット１０枚セット | $0.99 | one-time |
| タグ絞り込み機能 | $1.99 | one-time |
| クレジット１００枚セット | $5.99 | one-time |


## Frequently asked questions

### Is 日数カウントカレンダー free?

日数カウントカレンダー is free to download, with in-app purchases available.

### Is atsumeru free?

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

### Do 日数カウントカレンダー or atsumeru have ads?

Neither 日数カウントカレンダー nor atsumeru shows ads.

### Which is updated more often, 日数カウントカレンダー or atsumeru?

日数カウントカレンダー ships an update monthly, and atsumeru every 3 days. Most recently, 日数カウントカレンダー was updated on October 26, 2026 and atsumeru on October 28, 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.*