# SILEO App vs IESM App

The clearest difference is update cadence: IESM App at weekly against SILEO App's every 66 months. 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.

SILEO App ships an update every 66 months, IESM App weekly. The most recent releases landed on October 11, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SILEO App | IESM App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 66 months | **Weekly** |
| Monetization | Free | — |
| Size | 36 MB | 218 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fundacion Mexicana para el Fomento de la Educacion y el Desarrollo AC](https://appshunter.io/developer/1039976776) | [Arturo Conde Perez](https://appshunter.io/developer/1622072131) |

## What reviewers say

### SILEO App

[App page](https://appshunter.io/ios/app/sileo-app/id1554325138)

This system enhances reading speed and comprehension significantly. It aims to improve your reading velocity by 10 to 12 times while ensuring 100% understanding of the material.

**Highlights:** Increases reading speed, Improves comprehension, Optimized reading system, Personalized learning

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

**In-app purchases:** none


### IESM App

[App page](https://appshunter.io/ios/app/iesm-app/id1629149625)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SILEO App free?

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

### Is IESM App free?

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

### Do SILEO App or IESM App have ads?

Neither SILEO App nor IESM App shows ads.

### Which is updated more often, SILEO App or IESM App?

SILEO App ships an update every 66 months, and IESM App weekly. Most recently, SILEO App was updated on October 11, 2026 and IESM App on October 25, 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.*