# 性活カレンダー vs SubsClock

The clearest difference is in-app purchases: 性活カレンダー at none against SubsClock's 1. 性活カレンダー also leads on iOS requirement (15.0 vs 17.0). SubsClock's advantage is update cadence (every 2 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. SubsClock sells 1 one-off in-app purchase. 性活カレンダー asks for nothing beyond the download.

性活カレンダー ships an update every 10 days, SubsClock every 2 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 性活カレンダー | SubsClock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 2 days** |
| Size | 64 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Gento Fukuda](https://appshunter.io/developer/1484151443) | [RYOGO KAWASAKI](https://appshunter.io/developer/1642839814) |

## What reviewers say

### 性活カレンダー

[App page](https://appshunter.io/ios/app/id1484151444)

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

**In-app purchases:** none


### SubsClock

[App page](https://appshunter.io/ios/app/subsclock/id6752549029)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubsClock Pro | $6.99 | one-time |


## Frequently asked questions

### Is 性活カレンダー free?

性活カレンダー is free to download, with no in-app purchases.

### Is SubsClock free?

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

### Do 性活カレンダー or SubsClock have ads?

Neither 性活カレンダー nor SubsClock shows ads.

### Which is updated more often, 性活カレンダー or SubsClock?

性活カレンダー ships an update every 10 days, and SubsClock every 2 days. Most recently, 性活カレンダー was updated on October 17, 2026 and SubsClock on October 11, 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.*