# chatalog vs u up?

The clearest difference is in-app purchases: chatalog at none against u up?'s 1. chatalog also leads on iOS requirement (12.4 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. u up? sells 1 in-app purchase, starting at $9.99 per 7 days. chatalog asks for nothing beyond the download.

chatalog ships an update every 3 weeks, u up? monthly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | chatalog | u up? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/u-up-anonymous-chats/id6788164707/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 72 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Set Sail Venture Limited](https://appshunter.io/developer/1624053170) | [42 Studios LLC](https://appshunter.io/developer/6788164829) |

## What reviewers say

### chatalog

[App page](https://appshunter.io/ios/app/chatalog/id1637786002)

**Features:** macOS Compatibility

**In-app purchases:** none


### u up?

[App page](https://appshunter.io/ios/app/u-up-anonymous-chats/id6788164707)

Connect with others during late-night hours in a unique social space that opens only between 9 PM and 9 AM. Share your thoughts, see who else is awake, and engage in one-on-one conversations with like-minded individuals.

**Highlights:** Nighttime-only access (9 PM - 9 AM), Post thoughts to open feed, One-on-one chat with users, Express interest with 'roses', Top post feature ('the throne'), Private and ephemeral conversations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| u up? Plus | $9.99 | per 7 days |


## Frequently asked questions

### Is chatalog free?

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

### Is u up? free?

u up? is free to download, with in-app purchases available.

### Do chatalog or u up? have ads?

Neither chatalog nor u up? shows ads.

### Which is updated more often, chatalog or u up??

chatalog ships an update every 3 weeks, and u up? monthly. Most recently, chatalog was updated on October 13, 2026 and u up? on October 15, 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.*