# Qualitab AVAL vs GD4 Obra

The clearest difference is update cadence: Qualitab AVAL at every 2 weeks against GD4 Obra's monthly. 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.

Qualitab AVAL ships an update every 2 weeks, GD4 Obra monthly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Qualitab AVAL | GD4 Obra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 22 MB | 29 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [QUALITAB TECNOLOGIA LTDA](https://appshunter.io/developer/1490857138) | [AutoDoc](https://appshunter.io/developer/604974071) |

## What reviewers say

### Qualitab AVAL

[App page](https://appshunter.io/ios/app/qualitab-aval/id1590944348)

**Features:** macOS Compatibility

**In-app purchases:** none


### GD4 Obra

[App page](https://appshunter.io/ios/app/gd4-obra/id1610130325)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qualitab AVAL free?

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

### Is GD4 Obra free?

GD4 Obra is free to download, with no in-app purchases.

### Do Qualitab AVAL or GD4 Obra have ads?

Neither Qualitab AVAL nor GD4 Obra shows ads.

### Which is updated more often, Qualitab AVAL or GD4 Obra?

Qualitab AVAL ships an update every 2 weeks, and GD4 Obra monthly. Most recently, Qualitab AVAL was updated on October 7, 2026 and GD4 Obra on October 15, 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.*