# Dobrofest vs Ostrov.museum

The clearest difference is review sentiment: Dobrofest at 86% against Ostrov.museum's 0%. Dobrofest also leads on update cadence (every 3 months vs every 32 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Dobrofest ships an update every 3 months, Ostrov.museum every 32 months. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Dobrofest | Ostrov.museum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 32 months |
| Monetization | Free | Free |
| Size | 38 MB | 2.7 GB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [FESTIVAL DOBROFEST, OOO](https://appshunter.io/developer/1469339239) | [Nataliia Lamanova](https://appshunter.io/developer/1537457456) |

## What reviewers say

### Dobrofest

[App page](https://appshunter.io/ios/app/dobrofest/id1469339240)

Access the full festival schedule, important information, and rules. Navigate the event with a map, manage your e-tickets, and view visitor photos.

**Highlights:** Festival schedule, Important information, Festival map, E-tickets, Visitor photo feed

**Features:** macOS Compatibility

**In-app purchases:** none


### Ostrov.museum

[App page](https://appshunter.io/ios/app/ostrovmuseum/id1537832685)

Explore museum exhibits and historical sites through augmented reality. See artifacts come to life and walk through ancient fortresses using your device's camera. Discover interactive displays and learn about historical objects with AR animations.

**Highlights:** Augmented reality exhibit visualization, Historical site reconstruction, Interactive artifact information, AR animations of object creation/use, Map of interactive exhibits, Virtual fortress exploration

**In-app purchases:** none


## Frequently asked questions

### Is Dobrofest free?

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

### Is Ostrov.museum free?

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

### Do Dobrofest or Ostrov.museum have ads?

Neither Dobrofest nor Ostrov.museum shows ads.

### Which is updated more often, Dobrofest or Ostrov.museum?

Dobrofest ships an update every 3 months, and Ostrov.museum every 32 months. Most recently, Dobrofest was updated on September 23, 2026 and Ostrov.museum on September 29, 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.*