# ぱちチェック vs マイカウンター

The clearest difference is review sentiment: マイカウンター at 75% against ぱちチェック's 47%. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ぱちチェック sells 3 in-app purchases, starting at $2.99 per month and マイカウンター sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ぱちチェック ships an update every 10 days, マイカウンター fortnightly. Both last shipped on October 30, 2026.

## The numbers

| Metric | ぱちチェック | マイカウンター |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.9% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Seiya Matsui](https://appshunter.io/developer/1561221635) | [Ken Akao](https://appshunter.io/developer/1583172206) |

## What reviewers say

### ぱちチェック

[App page](https://appshunter.io/ios/app/id1570989548)

This app simplifies the calculation of pachinko machine performance metrics like rotation rate and expected value. It helps players identify machines that offer more spins for the same investment, based on the border theory. Easily understand key statistics without needing to know the complex calculation methods.

**Highlights:** Calculate expected value (work amount), Calculate average and total rotations, Calculate investment amount, Calculate ball ratio (premium plan), Based on border theory, Easy to use without understanding calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |
| プレミアムプラン | $24.99 | per year |
| プレミアムプラン | $29.99 | per year |


### マイカウンター

[App page](https://appshunter.io/ios/app/id1583172204)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム機能(月額) | $2.99 | per month |


## Frequently asked questions

### Is ぱちチェック free?

ぱちチェック is free to download, with in-app purchases available.

### Is マイカウンター free?

マイカウンター is free to download, with in-app purchases available.

### Do ぱちチェック or マイカウンター have ads?

Both ぱちチェック and マイカウンター show ads.

### Which is updated more often, ぱちチェック or マイカウンター?

ぱちチェック ships an update every 10 days, and マイカウンター fortnightly. Most recently, ぱちチェック was updated on October 30, 2026 and マイカウンター on October 30, 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.*