# マイ周期カレンダー vs InLoop

The clearest difference is in-app purchases: マイ周期カレンダー at none against InLoop's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. InLoop sells 2 in-app purchases, starting at $2.99 per month. マイ周期カレンダー asks for nothing beyond the download.

マイ周期カレンダー ships an update every 10 days, InLoop weekly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | マイ周期カレンダー | InLoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 8 MB | 55 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [StableVortex OU](https://appshunter.io/developer/1748310574) |

## What reviewers say

### マイ周期カレンダー

[App page](https://appshunter.io/ios/app/id6760806573)

**Features:** macOS Compatibility

**In-app purchases:** none


### InLoop

[App page](https://appshunter.io/ios/app/inloop-period-tracker/id6766258530)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InLoop Premium | $2.99 | per month |
| InLoop Premium | $19.99 | per year |


## Frequently asked questions

### Is マイ周期カレンダー free?

マイ周期カレンダー is free to download, with no in-app purchases.

### Is InLoop free?

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

### Do マイ周期カレンダー or InLoop have ads?

Neither マイ周期カレンダー nor InLoop shows ads.

### Which is updated more often, マイ周期カレンダー or InLoop?

マイ周期カレンダー ships an update every 10 days, and InLoop weekly. Most recently, マイ周期カレンダー was updated on October 16, 2026 and InLoop on October 6, 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.*