# HatenaCounting vs CalMirror

The clearest difference is in-app purchases: HatenaCounting at none against CalMirror's 2. HatenaCounting also leads on ads (none vs shown). CalMirror's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. CalMirror sells 2 in-app purchases, starting at $2.99 per month. HatenaCounting asks for nothing beyond the download.

HatenaCounting ships an update every 5 weeks, CalMirror every 3 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HatenaCounting | CalMirror |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 16 MB | 40 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社はてな](https://appshunter.io/developer/354976662) | [bad-company Incorporated](https://appshunter.io/developer/1618167935) |

## What reviewers say

### HatenaCounting

[App page](https://appshunter.io/ios/app/hatenacounting/id6747415674)

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

**In-app purchases:** none


### CalMirror

[App page](https://appshunter.io/ios/app/calmirror-multi-calendar-sync/id6759219374)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is HatenaCounting free?

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

### Is CalMirror free?

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

### Do HatenaCounting or CalMirror have ads?

CalMirror shows ads; HatenaCounting does not.

### Which is updated more often, HatenaCounting or CalMirror?

HatenaCounting ships an update every 5 weeks, and CalMirror every 3 weeks. Most recently, HatenaCounting was updated on October 14, 2026 and CalMirror 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.*