# SILEO App vs Quiz Naval

The clearest difference is in-app purchases: SILEO App at none against Quiz Naval's 2. SILEO App also leads on ads (none vs shown). Quiz Naval's advantage is update cadence (every 6 weeks vs every 66 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Quiz Naval sells 2 one-off in-app purchases. SILEO App asks for nothing beyond the download.

SILEO App ships an update every 66 months, Quiz Naval every 6 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SILEO App | Quiz Naval |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 66 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 36 MB | 84 MB |
| Requires iOS | **15** | 15.6 |
| 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) | [Saptain](https://appshunter.io/developer/1791452444) |

## 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


### Quiz Naval

[App page](https://appshunter.io/ios/app/quiz-naval/id6502008289)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |
| Quiz Premium | $39.99 | one-time |


## Frequently asked questions

### Is SILEO App free?

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

### Is Quiz Naval free?

Quiz Naval is free to download, with in-app purchases available.

### Do SILEO App or Quiz Naval have ads?

Quiz Naval shows ads; SILEO App does not.

### Which is updated more often, SILEO App or Quiz Naval?

SILEO App ships an update every 66 months, and Quiz Naval every 6 weeks. Most recently, SILEO App was updated on November 3, 2026 and Quiz Naval 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.*