chatalog vs u up?
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
chatalog
Read full descriptionHide full description
An all-in-one omnichat for users to chat with their clients
u up?
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.
- 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
Read full descriptionHide full description
see who's up. u up? opens at 9pm and locks at 9am. anonymous. no profiles. gone by morning. HOW IT WORKS 1. create a post anonymously. 2. everyone you see is online right now. 3. start a chat with someone up. 4. at 9am, it's all gone. INSTANT CHATS, THE THRONE & U UP+ send an instant chat and your message sits at the top of their inbox instead of the queue. take the throne and your post holds the top of the feed for an hour, or until someone takes it. free accounts get 4 chat requests a night, reset when the door opens at 9pm. replies are always unlimited. u up+ removes the nightly limit. instant chats and the throne are one-off in-app purchases. u up+ is an auto-renewing subscription at $29.99 per month or $14.99 per week, with no free trial. prices vary by region and are shown in the app before you buy. payment is charged to your App Store account at confirmation, it renews unless you cancel at least 24 hours before the period ends, and you can cancel any time in your App Store account settings. SAFETY 18+ only. block and report from any post or chat. reports are reviewed around the clock. https://uup.world/safety.html terms: https://uup.world/terms.html privacy: https://uup.world/privacy.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | chatalog | u up? |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (9 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.4 — better | 16.4 |
| Further details — not scored | ||
| Size | 29 MB | 72 MB |
| Age rating | 12+ | 17+ |
| Developer | Set Sail Venture Limited | 42 Studios LLC |
In-app purchases
chatalog
No in-app purchases
u up?
- u up? Plus3 Days trial$9.997 Days
