# Qapp vs ConvertUS

The clearest difference is update cadence: ConvertUS at daily against Qapp's monthly. ConvertUS also leads on rating (5.0 vs 4.7). Qapp's advantage is iOS requirement (12.0 vs 26.2). On price, review sentiment, ratings volume and ads there is nothing between them.

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

ConvertUS holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Qapp ships an update monthly, ConvertUS daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Qapp | ConvertUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15 ratings)](https://appshunter.io/ios/app/qapp/id6443868942/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/convertus/id6769595146/reviews)** |
| Number of ratings | **15** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | Free |
| Size | 39 MB | 17 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [QAPP22 LLC](https://appshunter.io/developer/1756618163) | [Gondolin LLC](https://appshunter.io/developer/1896671618) |

## What reviewers say

### Qapp

[App page](https://appshunter.io/ios/app/qapp/id6443868942)

Easily book car wash services tailored to your needs and schedule. This app provides a convenient way to manage your vehicle cleaning right from your phone.

**Highlights:** Effortless car care, Convenient vehicle cleaning, Book car wash services, Tailored to your needs, Schedule management

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

**In-app purchases:** none


### ConvertUS

[App page](https://appshunter.io/ios/app/convertus/id6769595146)

This utility app offers instant unit conversions with a unique retro terminal interface. It supports a wide range of measurement types and includes customizable themes. The app works offline and integrates with device shortcuts for quick access.

**Highlights:** Instant unit conversions, Wide range of measurement types, Retro terminal aesthetic, Multiple customizable themes, Offline functionality, Spotlight and Siri shortcuts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Qapp free?

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

### Is ConvertUS free?

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

### Which has better reviews, Qapp or ConvertUS?

ConvertUS is rated higher. Qapp averages 4.7 out of 5 from 15 ratings, while ConvertUS averages 5.0 from 6 ratings.

### Do Qapp or ConvertUS have ads?

Neither Qapp nor ConvertUS shows ads.

### Which is updated more often, Qapp or ConvertUS?

Qapp ships an update monthly, and ConvertUS daily. Most recently, Qapp was updated on November 3, 2026 and ConvertUS on October 31, 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.*