# IMPA Eventos vs OAB Mack

The clearest difference is update cadence: IMPA Eventos at weekly against OAB Mack's every 6 weeks. OAB Mack's advantage is iOS requirement (12.0 vs 15.1). 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.

IMPA Eventos ships an update weekly, OAB Mack every 6 weeks. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | IMPA Eventos | OAB Mack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 32 MB | 40 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instituto de Matematica Pura e Aplicada](https://appshunter.io/developer/1626544658) | [Dzigne Sistemas e Tecnologia LTDA ME](https://appshunter.io/developer/650792218) |

## What reviewers say

### IMPA Eventos

[App page](https://appshunter.io/ios/app/impa-eventos/id6443602702)

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

**In-app purchases:** none


### OAB Mack

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

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

**In-app purchases:** none


## Frequently asked questions

### Is IMPA Eventos free?

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

### Is OAB Mack free?

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

### Do IMPA Eventos or OAB Mack have ads?

Neither IMPA Eventos nor OAB Mack shows ads.

### Which is updated more often, IMPA Eventos or OAB Mack?

IMPA Eventos ships an update weekly, and OAB Mack every 6 weeks. Most recently, IMPA Eventos was updated on October 25, 2026 and OAB Mack on November 4, 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.*