# Astroshare vs PrépaDNB

The clearest difference is in-app purchases: PrépaDNB at none against Astroshare's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Astroshare sells 3 in-app purchases, starting at $3.99 per month. PrépaDNB asks for nothing beyond the download.

Astroshare ships an update every 2 weeks, PrépaDNB every 10 days. The most recent releases landed on September 11, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Astroshare | PrépaDNB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (4 ratings)](https://appshunter.io/ios/app/prepadnb/id6756609376/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 103 MB | 14 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Enzo Avagliano](https://appshunter.io/developer/1775402126) | [PREPADNB LTD](https://appshunter.io/developer/1861765091) |

## What reviewers say

### Astroshare

[App page](https://appshunter.io/ios/app/astroshare/id6737229342)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astroshare PRO | $3.99 | per month |
| Astroshare PRO - Monthly | $24.99 | per year |
| Astroshare PRO - Lifetime | $149.99 | one-time |


### PrépaDNB

[App page](https://appshunter.io/ios/app/prepadnb/id6756609376)

Prepare for the national diploma exam with this comprehensive revision app. It offers exam papers with corrections, study guides, an AI assistant for explanations, quizzes, and flashcards. Designed for middle school students, it provides a modern and effective learning experience synchronized across mobile and web.

**Highlights:** Exam papers with corrections, Clear revision notes, AI explanation assistant, Chapter quizzes, Flashcards for memorization, Official program alignment

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

**In-app purchases:** none


## Frequently asked questions

### Is Astroshare free?

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

### Is PrépaDNB free?

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

### Do Astroshare or PrépaDNB have ads?

Neither Astroshare nor PrépaDNB shows ads.

### Which is updated more often, Astroshare or PrépaDNB?

Astroshare ships an update every 2 weeks, and PrépaDNB every 10 days. Most recently, Astroshare was updated on September 11, 2026 and PrépaDNB on September 1, 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.*