# Otofun vs Viblo

The clearest difference is monetization model: Otofun at free against Viblo's ad-supported. Otofun also leads on iOS requirement (6.1 vs 15.0). Viblo's advantage is review sentiment (59% vs 50%). 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Otofun | Viblo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/otofun/id1022209984/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | **59.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 42 MB | 31 MB |
| Requires iOS | **6.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [techplus jsc](https://appshunter.io/developer/495958001) | [Framgia](https://appshunter.io/developer/712009941) |

## What reviewers say

### Otofun

[App page](https://appshunter.io/ios/app/otofun/id1022209984)

A popular online forum for discussions and community engagement. Connect with others and share your thoughts on various topics.

**Highlights:** Online forum, Community discussions, Topic sharing, User engagement

**Features:** macOS Compatibility

**In-app purchases:** none


### Viblo

[App page](https://appshunter.io/ios/app/viblo/id1365286437)

Access a vast library of tech articles from experts and share your own knowledge. Stay current with programming and technology trends. Save, search, and share content easily.

**Highlights:** Explore tech articles, Contribute content, Share experiences, Receive feedback, Stay updated on tech topics, Search and save content

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

**In-app purchases:** none


## Frequently asked questions

### Is Otofun free?

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

### Is Viblo free?

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

### Do Otofun or Viblo have ads?

Neither Otofun nor Viblo shows ads.

### Which is updated more often, Otofun or Viblo?

Otofun ships an update fortnightly, and Viblo fortnightly. Most recently, Otofun was updated on October 7, 2026 and Viblo on October 14, 2026.

---

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