# QQ (Quality Questions) vs OBE Engineering System

The clearest difference is update cadence: QQ (Quality Questions) at fortnightly against OBE Engineering System's every 9 months. QQ (Quality Questions) also leads on device support (4 vs 2). OBE Engineering System's advantage is iOS requirement (12.0 vs 15.0). On price, 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.

QQ (Quality Questions) ships an update fortnightly, OBE Engineering System every 9 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | QQ (Quality Questions) | OBE Engineering System |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Monetization | Free | — |
| Size | 87 MB | 37 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innovative Technology Trading Company](https://appshunter.io/developer/1436430930) | [Softzone](https://appshunter.io/developer/1576527087) |

## What reviewers say

### QQ (Quality Questions)

[App page](https://appshunter.io/ios/app/qq-quality-questions/id1538915416)

This app provides educators with a smart solution for conducting online examinations. It supports the entire testing process, from creating and banking assessment items to conducting, scoring, and analyzing exams. The platform offers bilingual question options and curriculum mapping features.

**Highlights:** Online and offline exam sessions, Assessment item creation and banking, Exam conduction and scoring, Bilingual question support, Curriculum and learning objectives mapping, AI-powered monitoring and correction

**Features:** Vision Pro support

**In-app purchases:** none


### OBE Engineering System

[App page](https://appshunter.io/ios/app/obe-engineering-system/id1668638241)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QQ (Quality Questions) free?

QQ (Quality Questions) is free to download, with no in-app purchases.

### Is OBE Engineering System free?

OBE Engineering System is free to download, with no in-app purchases.

### Do QQ (Quality Questions) or OBE Engineering System have ads?

Neither QQ (Quality Questions) nor OBE Engineering System shows ads.

### Which is updated more often, QQ (Quality Questions) or OBE Engineering System?

QQ (Quality Questions) ships an update fortnightly, and OBE Engineering System every 9 months. Most recently, QQ (Quality Questions) was updated on October 20, 2026 and OBE Engineering System on October 7, 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.*