# Ultraviolet Chat vs OSB

The clearest difference is in-app purchases: OSB at none against Ultraviolet Chat's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ultraviolet Chat sells 5 one-off in-app purchases. OSB asks for nothing beyond the download.

Ultraviolet Chat ships an update every 3 weeks, OSB every 6 weeks. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ultraviolet Chat | OSB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (712 ratings)](https://appshunter.io/ios/app/ultraviolet-chat/id6444900158/reviews)** | — |
| Number of ratings | **712** | — |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 382 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ultraviolet Labs, Inc.](https://appshunter.io/developer/1269816049) | [Oudstudentenbond Vrije Universiteit Brussel](https://appshunter.io/developer/1830449108) |

## What reviewers say

### Ultraviolet Chat

[App page](https://appshunter.io/ios/app/ultraviolet-chat/id6444900158)

Connect with creators, experts, and professionals who share your interests. This community chat platform offers a user-friendly interface for exclusive experiences and knowledge sharing.

**Highlights:** Community chat platform, Connect with creators, Exclusive experiences, Knowledge sharing, User-friendly interface

**Features:** Apple Wallet, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $2.99 Gem Pack | $2.99 | one-time |
| $4.99 Gem Pack | $4.99 | one-time |
| $9.99 Gem Pack | $9.99 | one-time |
| $18.99 Gem Pack | $18.99 | one-time |
| $44.99 Gem Pack | $44.99 | one-time |

**What reviewers like**

- 💫 Smooth interface
- 🤝 Helpful support team
- 🤑 Earning potential for creators
- 👥 Close-knit community
- 🔍 Exclusive content access

**What reviewers complain about**

- 🔒 Difficulty canceling subscriptions
- 🐛 Buggy app performance
- 🤖 Lack of human customer support
- 💰 Potential for scams and overpricing
- 🔍 Limited content visibility

**Reported bugs**

- Login issues and account setup problems
- Unreliable video playback and content access
- Inconsistent notification and messaging functionality
- Crashes and freezes during app usage
- Syncing and data loss problems

**Requested features**

- Improved account management options
- Ability to save purchased content
- Explore feature to discover new creators
- Web-based version for desktop access
- Detailed creator analytics dashboard


### OSB

[App page](https://appshunter.io/ios/app/osb-vub/id6749445200)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ultraviolet Chat free?

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

### Is OSB free?

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

### Do Ultraviolet Chat or OSB have ads?

Neither Ultraviolet Chat nor OSB shows ads.

### Which is updated more often, Ultraviolet Chat or OSB?

Ultraviolet Chat ships an update every 3 weeks, and OSB every 6 weeks. Most recently, Ultraviolet Chat was updated on October 25, 2026 and OSB on October 8, 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.*