Comparison

Sideye vs u up?

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sideye

An anonymous messaging app for students to share secrets and confessions. Features AI moderation to filter out negativity, allowing for honest conversations and discovering what friends really think. Offers a daily 'reveal' to uncover identities.

Highlights
  • Anonymous group chats
  • Daily identity reveal
  • Prompts and confessions
  • AI moderation
  • Notifications for mentions
  • Secret sharing
Read full description

Sideye: The Hyper Honest Messaging App Say what you actually think. Stay anonymous. Get one reveal a day. Sideye is the anonymous messaging app for students to share confessions, spill secrets, and find out what your friends really say about them. With AI moderation, it’s chaos without the toxicity. TOP 5 THINGS TO KNOW ABOUT SIDEYE: Chat Anonymously – Join group chats where no one knows who’s talking. God Mode – Get one reveal a day. Choose wisely. Prompts & Confessions – Nominate friends, spill secrets, and stir the pot. No Hate, Just Drama – AI filters out the bad vibes, so the fun stays real. Main Character - Get notified when friends talk about you. NO FOMO. JUST FACTS. Discover who’s been talking about you. Get the real tea. Privacy Policy: https://sideye.app/privacy Terms & Conditions: https://sideye.app/terms Support: support@sideye.app Because sometimes, honesty is just more fun!

About

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.

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
Read 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

Sideye4 screens
u up?4 screens

Verdict

The call

The clearest difference is update cadence: Sideye at weekly against u up?'s monthly. u up?'s advantage is ratings volume (16 vs 2). On price, rating, review sentiment and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sideye sells 3 in-app purchases, starting at $6.99 per 7 days and u up? sells 1 in-app purchase, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sideye holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: u up? has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Sideye ships an update weekly, u up? monthly. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
Sideye versus u up?: the parameters behind the verdict, then further details
ParameterSideyeu up?
PriceFreeFree
Rating5.0 (2 ratings) — better4.8 (16 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings216 — better
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17.016.4 — better
Further details — not scored
Size67 MB72 MB
Age rating17+17+
DeveloperSideye Inc.42 Studios LLC

Customer experience

Sideye

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

u up?

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Sideye

Subscriptions3
  • Sideye God Mode | Weekly$6.997 Days
  • Sideye God Mode | Monthly$19.991 Month
  • Sideye God Mode | Yearly$119.991 Year
1 purchases

u up?

Subscriptions1
  • u up? Plus3 Days trial$9.997 Days

Questions

Is Sideye free?
Sideye is free to download, with in-app purchases available.
Is u up? free?
u up? is free to download, with in-app purchases available.
Which has better reviews, Sideye or u up??
Sideye is rated higher. Sideye averages 5.0 out of 5 from 2 ratings, while u up? averages 4.8 from 16 ratings.
Do Sideye or u up? have ads?
Neither Sideye nor u up? shows ads.
Which is updated more often, Sideye or u up??
Sideye ships an update weekly, and u up? monthly. Most recently, Sideye was updated on October 24, 2026 and u up? on October 24, 2026.

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