# QuickTest.DIY vs Parent SDU

The clearest difference is update cadence: Parent SDU at every 3 weeks against QuickTest.DIY's every 5 months. Parent SDU also leads on iOS requirement (13.0 vs 15.0). 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.

QuickTest.DIY ships an update every 5 months, Parent SDU every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | QuickTest.DIY | Parent SDU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 48 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 9+ |
| Developer | [VCODERS AI LLP](https://appshunter.io/developer/1857202740) | [SDUTechnopark](https://appshunter.io/developer/1326481043) |

## What reviewers say

### QuickTest.DIY

[App page](https://appshunter.io/ios/app/quicktestdiy/id6755906894)

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

**In-app purchases:** none


### Parent SDU

[App page](https://appshunter.io/ios/app/parent-sdu/id6757148768)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QuickTest.DIY free?

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

### Is Parent SDU free?

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

### Do QuickTest.DIY or Parent SDU have ads?

Neither QuickTest.DIY nor Parent SDU shows ads.

### Which is updated more often, QuickTest.DIY or Parent SDU?

QuickTest.DIY ships an update every 5 months, and Parent SDU every 3 weeks. Most recently, QuickTest.DIY was updated on October 24, 2026 and Parent SDU on October 24, 2026.

---

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