# OAB Mack vs Ka3

The clearest difference is update cadence: Ka3 at every 3 weeks against OAB Mack's every 6 weeks. 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.

OAB Mack ships an update every 6 weeks, Ka3 every 3 weeks. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OAB Mack | Ka3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 40 MB | 51 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dzigne Sistemas e Tecnologia LTDA ME](https://appshunter.io/developer/650792218) | [Tec Sports App S.A](https://appshunter.io/developer/1544853758) |

## What reviewers say

### OAB Mack

[App page](https://appshunter.io/ios/app/oab-mack/id6474449943)

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

**In-app purchases:** none


### Ka3

[App page](https://appshunter.io/ios/app/ka3/id6569255247)

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

**In-app purchases:** none


## Frequently asked questions

### Is OAB Mack free?

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

### Is Ka3 free?

Ka3 is free to download, with no in-app purchases.

### Do OAB Mack or Ka3 have ads?

Neither OAB Mack nor Ka3 shows ads.

### Which is updated more often, OAB Mack or Ka3?

OAB Mack ships an update every 6 weeks, and Ka3 every 3 weeks. Most recently, OAB Mack was updated on October 11, 2026 and Ka3 on October 10, 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.*