Percent Error Calculator vs QualiT Check
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percent Error Calculator
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Percent error calculator finds the relative error between the observed and true values.
QualiT Check
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The Qualit Check app enables easy checking of error codes, mileage, and VINs. Developed by Carly the app offers precise diagnostic features and insights into vehicle status to identify and resolve potential issues early.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Percent Error Calculator | QualiT Check |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 40 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | STAGE CODING, Travnik | Carly Solutions GmbH Co KG |
In-app purchases
Percent Error Calculator
No in-app purchases
QualiT Check
No in-app purchases
Questions
Is Percent Error Calculator free?
Is QualiT Check free?
Do Percent Error Calculator or QualiT Check have ads?
Which is updated more often, Percent Error Calculator or QualiT Check?
Other comparisons
