# Colog vs Ultraviolet Chat

The clearest difference is rating: Colog at 5.0 against Ultraviolet Chat's 4.1. Colog also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 5). Ultraviolet Chat's advantage is ratings volume (727 vs 6) and chart position (#188 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.

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

Colog holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Ultraviolet Chat has 727 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Colog's written reviews are positive against 62% of Ultraviolet Chat's.

Colog ships an update every 8 days, Ultraviolet Chat every 3 weeks. Both last shipped on November 12, 2026.

## The numbers

| Metric | Colog | Ultraviolet Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/colog/id6444775416/reviews)** | [4.1 (727 ratings)](https://appshunter.io/ios/app/ultraviolet-chat/id6444900158/reviews) |
| Number of ratings | 6 | **727** |
| Positive reviews | **100.0% of reviews** | 62.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#188** |
| Size | 104 MB | 110 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Ness LCC](https://appshunter.io/developer/1656759780) | [Ultraviolet Labs, Inc.](https://appshunter.io/developer/1269816049) |

## What reviewers say

### Colog

[App page](https://appshunter.io/ios/app/colog/id6444775416)

Capture and share everyday moments with close friends and family in private, collaborative reels. This app focuses on genuine connections over public performance, offering an ad-free and follower-count-free experience.

**Highlights:** Capture photos and videos, Create private rolls for groups, Organize moments into shared reels, Invite friends to collaborate, Ad-free and no follower count, Build a living archive of life

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

**In-app purchases:** none


### Ultraviolet Chat

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

**Currently charting:** #188 Top Free · Social Networking (US App Store)

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


## Frequently asked questions

### Is Colog free?

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

### Is Ultraviolet Chat free?

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

### Which has better reviews, Colog or Ultraviolet Chat?

Colog is rated higher. Colog averages 5.0 out of 5 from 6 ratings, while Ultraviolet Chat averages 4.1 from 727 ratings.

### Do Colog or Ultraviolet Chat have ads?

Neither Colog nor Ultraviolet Chat shows ads.

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

Colog ships an update every 8 days, and Ultraviolet Chat every 3 weeks. Most recently, Colog was updated on November 12, 2026 and Ultraviolet Chat on November 12, 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.*