# 4Teens vs RevisApp

The clearest difference is in-app purchases: 4Teens at none against RevisApp's 13. 4Teens also leads on iOS requirement (13.0 vs 15.1). RevisApp's advantage is update cadence (every 10 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. RevisApp sells 12 in-app purchases, starting at $1.99 per month. 4Teens asks for nothing beyond the download.

4Teens ships an update every 2 months, RevisApp every 10 days. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 4Teens | RevisApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (15 ratings)](https://appshunter.io/ios/app/revisapp/id1447918829/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 56.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 34 MB | 90 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [VIENA GRAFICA & EDITORA LTDA](https://appshunter.io/developer/1205942866) | [REVISAPP DESENVOLVIMENTO DE APLICATIVOS LTDA](https://appshunter.io/developer/1447918828) |

## What reviewers say

### 4Teens

[App page](https://appshunter.io/ios/app/4teens/id1177979862)

**Features:** macOS Compatibility

**In-app purchases:** none


### RevisApp

[App page](https://appshunter.io/ios/app/revisapp/id1447918829)

This app provides offline access to core subjects for primary and secondary school students, covering over 600 topics in science, humanities, and math. It includes tools for revision tracking, note-taking, and achievement unlocking to enhance study effectiveness.

**Highlights:** Offline access to subjects, Extensive content library (600+ topics), Revision progress tracking, Note-taking functionality, Achievement system for motivation, Intuitive navigation with visuals

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RevisApp PRO - Assinatura | $1.99 | per month |
| Assinatura Mensal 20% OFF | $1.99 | per month |
| RevisApp PRO - Assinatura | $2.99 | per month |
| Assinatura Anual | $4.99 | per year |
| Assinatura Semestral | $5.99 | per 6 months |
| Assinatura Anual | $9.99 | per year |
| Assinatura Anual | $19.99 | per year |
| RevisApp PRO Vitalício 50% OFF | $7.99 | one-time |
| RevisApp PRO Vitalício 30% OFF | $9.99 | one-time |
| RevisApp PRO Vitalício | $9.99 | one-time |
| Mais revisōes sem propagandas | $11.99 | one-time |
| RevisApp PRO Vitalício | $11.99 | one-time |


## Frequently asked questions

### Is 4Teens free?

4Teens is free to download, with no in-app purchases.

### Is RevisApp free?

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

### Do 4Teens or RevisApp have ads?

Neither 4Teens nor RevisApp shows ads.

### Which is updated more often, 4Teens or RevisApp?

4Teens ships an update every 2 months, and RevisApp every 10 days. Most recently, 4Teens was updated on September 16, 2026 and RevisApp on September 22, 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.*