# Percent Error Calculator vs QualiT Check

The clearest difference is iOS requirement: Percent Error Calculator at 13.0 against QualiT Check's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Percent Error Calculator | QualiT Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 40 MB | 62 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STAGE CODING, Travnik](https://appshunter.io/developer/1637068135) | [Carly Solutions GmbH Co KG](https://appshunter.io/developer/408379680) |

## What reviewers say

### Percent Error Calculator

[App page](https://appshunter.io/ios/app/percent-error-calculator/id1619680411)

**Features:** macOS Compatibility

**In-app purchases:** none


### QualiT Check

[App page](https://appshunter.io/ios/app/qualit-check/id6754276556)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Percent Error Calculator free?

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

### Is QualiT Check free?

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

### Do Percent Error Calculator or QualiT Check have ads?

Neither Percent Error Calculator nor QualiT Check shows ads.

### Which is updated more often, Percent Error Calculator or QualiT Check?

Percent Error Calculator ships an update weekly, and QualiT Check weekly. Most recently, Percent Error Calculator was updated on October 3, 2026 and QualiT Check on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*