# Slim Academy vs EL CID

The clearest difference is device support: Slim Academy at 3 against EL CID's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Slim Academy ships an update every 3 months, EL CID every 2 months. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Slim Academy | EL CID |
| --- | --- | --- |
| 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 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 25 MB | 47 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Slim Academy](https://appshunter.io/developer/1702670527) | [Zooma B.V.](https://appshunter.io/developer/418861795) |

## What reviewers say

### 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


### EL CID

[App page](https://appshunter.io/ios/app/el-cid-week/id6738986539)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slim Academy free?

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

### Is EL CID free?

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

### Do Slim Academy or EL CID have ads?

Neither Slim Academy nor EL CID shows ads.

### Which is updated more often, Slim Academy or EL CID?

Slim Academy ships an update every 3 months, and EL CID every 2 months. Most recently, Slim Academy was updated on October 7, 2026 and EL CID on October 30, 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.*