# IMPA Eventos vs eureka+

The clearest difference is in-app purchases: IMPA Eventos at none against eureka+'s 1. IMPA Eventos also leads on ads (none vs shown) and update cadence (weekly vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. eureka+ sells 1 one-off in-app purchase. IMPA Eventos asks for nothing beyond the download.

IMPA Eventos ships an update weekly, eureka+ every 2 weeks. The most recent releases landed on September 8, 2026 and February 28, 2026 respectively.

## The numbers

| Metric | IMPA Eventos | eureka+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 32 MB | 14 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instituto de Matematica Pura e Aplicada](https://appshunter.io/developer/1626544658) | [Wander Tavares](https://appshunter.io/developer/1705937672) |

## 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


### eureka+

[App page](https://appshunter.io/ios/app/eureka/id6469541864)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 40 Dicas | $0.99 | one-time |


## Frequently asked questions

### Is IMPA Eventos free?

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

### Is eureka+ free?

eureka+ is free to download, with in-app purchases available.

### Do IMPA Eventos or eureka+ have ads?

eureka+ shows ads; IMPA Eventos does not.

### Which is updated more often, IMPA Eventos or eureka+?

IMPA Eventos ships an update weekly, and eureka+ every 2 weeks. Most recently, IMPA Eventos was updated on September 8, 2026 and eureka+ on February 28, 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.*