Comparison

Cerulean vs Unscreen

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

Head to head
About

Cerulean

A collection of minimalist utility tools designed for simplicity and ease of use. Provides various small functions to help with everyday tasks. Feedback is welcomed for improvements and new ideas.

Highlights
  • Multiple utility tools
  • Minimalist design
  • Simple to use
  • User feedback welcome
Read full description

多种小功能整理,极致简约。 如在使用中遇见任何问题或有新的创意,欢迎发送邮件反馈至我的邮箱cerulean_log@163.com,我会尽快处理哒。~~~

About

Unscreen

This app helps you break screen addiction and improve focus by locking distracting apps and websites. Set custom timers, recurring sessions, and multiple profiles to disconnect during work, school, or social time.

Highlights
  • Lock addictive apps and websites
  • Reduce daily scrolling time
  • Set recurring sessions or quick timers
  • Create multiple user profiles
  • Password and biometric protection
  • Parental control features
Features
Read full description

• Lock addictive apps and websites, reduce screen time, create habits, and set boundaries • • Cut scrolling by 2 hours daily. That's 30 days per year. 3 years in your lifetime • Unscreen can help you or your family members break screen addiction and focus better by locking addictive apps and websites - scheduling and password protection are included. You can set recurring sessions or just quick timers, and you can create multiple profiles - leave your device down and disconnect during work or school hours, hangouts, or personal time. USAGE EXAMPLES • School time: configure a recurring session to lock all social apps and games from 8 AM to 1 PM every workday • Dinner with friends: start a session now and lock work and productivity apps only for the next 3 hours • Important meeting: lock messaging apps and notifications only tomorrow from 2 PM to 4 PM MAIN PRODUCTIVITY AND HEALTH BENEFITS • Disconnect, take a break: Overcome screen addiction. Lock or block addictive apps, block websites. Set screen time limits for yourself or family members • Improve productivity and focus: Stay focused on important tasks. Eliminate distractions during study or work sessions, and reduce procrastination • Boost wellness and personal growth: Improve your sleep quality, reduce stress and anxiety. Dedicate more time to what matters FEATURES • Lock or block addictive apps. Block websites across all browsers • Secure and private. It can work as a parental control system • Limit adult websites across all browsers • Set recurring sessions or just quick sprints, create multiple profiles. For example, you can set a family time session every evening and focus only on that moment • Protect sessions using a secret password and optionally Face ID or Touch ID. Keep preferences safe, including removal protection • Password-protected apps will be visible and active on your device, but you cannot use the app until the session ends • Easy to use, no configuration required We read your support emails every day, day by day. Write with confidence any question, feedback, or complaint, and you will receive an answer in a very short period of time. We offer two auto-renewing subscriptions and a one-time payment option: • Basic, a 1 Month subscription • Premium, a 12-month subscription • Lifetime access: one-time payment only Prices may vary by location. Subscriptions will auto-renew unless canceled. • Payment will be charged to the iTunes Account at confirmation of purchase • Subscription may be managed by the user, and auto-renewal may be turned off by going to the user’s Account Settings after purchase. • No cancellation of the current subscription is allowed during the active subscription period. • Subscription automatically renews unless auto-renewal is turned off at least 24-hours before the end of the current period. • Your account will be charged for renewal for the amount of your current subscription within 24-hours prior to the end of the current period. All costs for subscriptions are mentioned above. Privacy Policy https://alexdenk.eu/subscriptions-privacy-policy.html Terms of Use https://alexdenk.eu/subscriptions-terms-of-use.html

Screenshots

Cerulean4 screens
Unscreen4 screens

Verdict

The call

The clearest difference is rating: Cerulean at 4.8 against Unscreen's 4.2. Cerulean also leads on in-app purchases (none vs 5) and review sentiment (85% vs 55%). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Unscreen sells 5 in-app purchases, starting at $5.99 per month. Cerulean asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cerulean holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 393 and 84 respectively. Written reviews point the same way: 85% of Cerulean's written reviews are positive against 55% of Unscreen's.

UpkeepUpdate frequency

Cerulean ships an update every 2 months, Unscreen monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Cerulean versus Unscreen: the parameters behind the verdict, then further details
ParameterCeruleanUnscreen
PriceFreeFree
Rating4.8 (393 ratings) — better4.2 (84 ratings)
Positive reviews85.5% of reviews — better54.8% of reviews
Number of ratings393 — better84
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.1
Further details — not scored
Size48 MB19 MB
Age rating4+4+
Developer丹 张Denk Alexandru

Customer experience

Cerulean

All ratings392 ratings
Positive94.4%
Neutral2.3%
Negative3.3%
Written reviews55 reviews
Positive85.5%
Neutral7.3%
Negative7.3%

Unscreen

All ratings80 ratings
Positive77.5%
Neutral11.3%
Negative11.3%
Written reviews31 reviews
Positive54.8%
Neutral9.7%
Negative35.5%

Bugs and requests

Cerulean

Reported bugs

9 issues
  • Ruler function has issues on iOS 17
  • Volume is too low for sound-related features (metronome, call simulation)
  • Search functionality is poor
  • Calculator button missing on iPad Pro
  • Ruler is inaccurate on 12 mini
Show 4 more
  • Widget background is white, hard to see text
  • Text to speech and keyboard issues on iPhone X
  • Image stitching (chat history) missing on iPhone 12
  • Widget support removed for iOS 13

Requested features

4 requests
  • Add more small features
  • Add currency conversion function
  • Add data and Chinese uppercase number conversion
  • Consider adding various unit conversion functions

Unscreen

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Cerulean

No in-app purchases

5 purchases

Unscreen

Subscriptions3
  • Monthly Subscription$5.991 Month
  • Annual Subscription$12.991 Year
  • Annual Subscription7 Days trial$17.991 Year
One-time2
  • Lifetime Access$24.99
  • Lifetime Access$34.99

Questions

Is Cerulean free?
Cerulean is free to download, with no in-app purchases.
Is Unscreen free?
Unscreen is free to download, with in-app purchases available.
Which has better reviews, Cerulean or Unscreen?
Cerulean is rated higher. Cerulean averages 4.8 out of 5 from 393 ratings, while Unscreen averages 4.2 from 84 ratings.
Do Cerulean or Unscreen have ads?
Neither Cerulean nor Unscreen shows ads.
Which is updated more often, Cerulean or Unscreen?
Cerulean ships an update every 2 months, and Unscreen monthly. Most recently, Cerulean was updated on October 29, 2026 and Unscreen on October 24, 2026.

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