# Primio vs Slim Academy

The clearest difference is update cadence: Primio at every 5 weeks against Slim Academy's every 3 months. Slim Academy's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Primio ships an update every 5 weeks, Slim Academy every 3 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Primio | Slim Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slim-academy/id6461727024/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 73 MB | 25 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Primio B.V.](https://appshunter.io/developer/1481326793) | [Slim Academy](https://appshunter.io/developer/1702670527) |

## What reviewers say

### Primio

[App page](https://appshunter.io/ios/app/primio/id1589413386)

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

**In-app purchases:** none


### Slim Academy

[App page](https://appshunter.io/ios/app/slim-academy/id6461727024)

Access concise study summaries and lecture notes created by students for students. Test your knowledge with practice questions and stay updated with the latest exam material for various fields of study.

**Highlights:** Student-created summaries, Lecture notes, Practice questions, Tentamen-focused content, Up-to-date material, Clear formatting

**In-app purchases:** none


## Frequently asked questions

### Is Primio free?

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

### Is Slim Academy free?

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

### Do Primio or Slim Academy have ads?

Neither Primio nor Slim Academy shows ads.

### Which is updated more often, Primio or Slim Academy?

Primio ships an update every 5 weeks, and Slim Academy every 3 months. Most recently, Primio was updated on October 10, 2026 and Slim Academy on October 7, 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.*