# PTH Calculator vs Check

The clearest difference is update cadence: Check at every 10 months against PTH Calculator's every 37 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PTH Calculator ships an update every 37 months, Check every 10 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PTH Calculator | Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 10 months** |
| Size | 25 MB | 21 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AVANTO CREATIVE APPS S.L.](https://appshunter.io/developer/1080379340) | [SICongresos](https://appshunter.io/developer/594442218) |

## What reviewers say

### PTH Calculator

[App page](https://appshunter.io/ios/app/pth-calculator/id1137356636)

**In-app purchases:** none


### Check

[App page](https://appshunter.io/ios/app/check-ic-app/id1510875875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PTH Calculator free?

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

### Is Check free?

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

### Do PTH Calculator or Check have ads?

Neither PTH Calculator nor Check shows ads.

### Which is updated more often, PTH Calculator or Check?

PTH Calculator ships an update every 37 months, and Check every 10 months. Most recently, PTH Calculator was updated on October 10, 2026 and Check on October 25, 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.*