# BIFF vs 돗돗

The clearest difference is review sentiment: 돗돗 at 100% against BIFF's 21%. On price, update cadence, ads and in-app purchases there is nothing between them.

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

BIFF ships an update every 5 days, 돗돗 every 9 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | BIFF | 돗돗 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free | Free |
| Size | 37 MB | 42 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Busan International Film Festival](https://appshunter.io/developer/702674458) | [Yeonje Park](https://appshunter.io/developer/6790054899) |

## What reviewers say

### BIFF

[App page](https://appshunter.io/ios/app/biff/id1039963632)

Access comprehensive information about film screenings, schedules, and events for the Busan International Film Festival. Create your personalized viewing schedule with this official application.

**Highlights:** Film screening information, Event schedules, Personalized timetable creation, Festival event details

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

**In-app purchases:** none


### 돗돗

[App page](https://appshunter.io/ios/app/id6790054897)

Plan your festival experience from start to finish. Discover music festivals, create personalized schedules, and coordinate with friends. Get ready for the event with checklists and discover food and merchandise options.

**Highlights:** Festival lineup and schedule discovery, Personalized artist-based timetable creation, Conflict detection for overlapping performances, Friend timetable sharing and comparison, Customizable timetable wallpaper, Festival preparation checklist, Food and merchandise reviews and lists

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

**In-app purchases:** none


## Frequently asked questions

### Is BIFF free?

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

### Is 돗돗 free?

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

### Do BIFF or 돗돗 have ads?

Neither BIFF nor 돗돗 shows ads.

### Which is updated more often, BIFF or 돗돗?

BIFF ships an update every 5 days, and 돗돗 every 9 days. Most recently, BIFF was updated on October 2, 2026 and 돗돗 on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*