Comparison

Cuckoo Timer vs 柠檬自习室

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

Head to head
About

Cuckoo Timer

This app helps you manage tasks and cultivate skills by tracking time spent on each activity. It links tasks to specific skills, allowing you to visualize your progress towards mastery and achieve your 10,000-hour goals.

Highlights
  • Classical time tracking for tasks
  • Task management with skill attribution
  • Skill cultivation progress visualization
  • Daily beautiful background pictures
  • Full-screen focus mode
  • Task priority setting
  • iCloud sync
Features
Read full description

Task management combined with 10,000 hours rule. It takes 10,000 hours to become an expert in a field. We work not just for work, we complete our tasks not just for tasks themselves. In fact, what we want are SKILLS! Every task completed should end up with a better SKILL. ***What Cuckoo Can Do For You*** 1. Classical Time Tracking: Track time spent for every task you created. 2. Task Management: Shake your device to quickly add new Tasks, attribute your Task to a certain Skill that you want to cultivate. 3. Skill Cultivation: Tasks are for improving your skills. You can link multiple Tasks to one Skill, and time spent on those tasks will be summed as the total time of the Skill. So that you can see clearly how your skills grow towards 10,000 hours. ***More Features*** 1. A new beautiful background picture everyday; 2. Full-screen focus mode to focus on your work; 3. Advanced features such as task priority setting, iCloud sync. Privacy Policy & Use of Terms Link:https://cuckoo2017.wordpress.com/2017/06/23/布谷布谷隐私政策/

About

柠檬自习室

This app provides a virtual study environment to help users develop consistent study habits and improve focus. It offers various virtual classrooms, reminders, and daily statistics to track progress.

Highlights
  • Online study sessions
  • Choice of virtual classrooms
  • Realistic classroom simulation
  • Daily study statistics
  • Progress tracking
  • Reminders and check-ins
Features
Read full description

【产品简介】 柠檬自习室, 一款清新可爱的线上自习室工具, 可以帮助您养成规律的自习习惯,让您能更加专注的完成自习,并提供提醒和打卡功能。 【产品特点】 ● 在线自习 - 和同学一起学习不会枯燥 ● 自由选择 - 选择自己喜欢的教室自习 ● 真实模拟 - 真实模拟教室场景更专注 ● 每日统计 - 自习数据均记录并有统计 ● 细致图标 - 每个图标精心设计不敷衍 【专注力】 是人进行一项活动的心理状态。 这个活动可以是静态的,也可以是动态的,可以是感兴趣的,也可以是枯燥的,可以是对人的,也可以是对物的。 专注力是认知活动的动力功能。认知活动包括听知觉、视知觉、记忆、思维、想象、执行、反馈等活动。认知活动得以顺利开展的推动力正是专注力。 【影响专注力的因素】 以下4个方面会直接影响到我们的专注力状态: 1. 事物本事对我们的吸引程度; 2. 自身与他人在互动中的联结能力; 3. 自身身体状态以及情绪状态; 4. 自身的意志表现。 【如何提升专注力】 1. 做感兴趣的事; 2. 加强与人在连接中的互动能力,加强互动训练; 3. 加强自身感觉统合能力训练; 4. 合理地表达及控制情绪。 【自习室】 自习室是专门为学生用来自主学习的教室。提供给学生专注学习的场所,用以提升学习时的专注力。 【线上自习室】 提供一个线上虚拟的自习室环境,让学生不出门就可以有上自习的感觉,从而达到专注学习的目的。

Screenshots

Cuckoo Timer4 screens
柠檬自习室4 screens

Verdict

The call

The clearest difference is ads: Cuckoo Timer at none against 柠檬自习室's shown. Cuckoo Timer also leads on update cadence (every 4 days vs every 6 weeks) and ratings volume (319 vs 18). 柠檬自习室's advantage is review sentiment (95% vs 71%) and rating (4.9 vs 4.7). On price, in-app purchases, monetization model 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. Cuckoo Timer sells 1 one-off in-app purchase and 柠檬自习室 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

柠檬自习室 holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Cuckoo Timer has 319 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 71% of Cuckoo Timer's written reviews are positive against 95% of 柠檬自习室's.

UpkeepUpdate frequency

Cuckoo Timer ships an update every 4 days, 柠檬自习室 every 6 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Cuckoo Timer versus 柠檬自习室: the parameters behind the verdict, then further details
ParameterCuckoo Timer柠檬自习室
PriceFreeFree
Rating4.7 (319 ratings)4.9 (18 ratings) — better
Positive reviews71.1% of reviews94.6% of reviews — better
Number of ratings319 — better18
Update frequencyEvery 4 days — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.413.0 — better
Further details — not scored
Size54 MB171 MB
Age rating4+4+
Developer俊航 何Chengdu Ningmengyoumeng Science & Technology Co., Ltd

Customer experience

Cuckoo Timer

All ratings319 ratings
Positive92.5%
Neutral3.8%
Negative3.8%
Written reviews135 reviews
Positive71.1%
Neutral10.4%
Negative18.5%

柠檬自习室

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews37 reviews
Positive94.6%
Neutral2.7%
Negative2.7%

Bugs and requests

Cuckoo Timer

Reported bugs

9 issues
  • Skill recording time sync issue with manually uploaded tasks
  • Timer freezes and requires manual time entry
  • Language setting reverts to Japanese unexpectedly
  • Data loss after app update
  • Skills option disappeared after update
Show 4 more
  • Notification sound doesn't work when muted
  • Manually entered tasks don't appear in daily reports
  • iPad text cutoff and layout issues
  • Music interruption during timer countdown

Requested features

12 requests
  • Complete English translation for all UI elements
  • Customizable number of tasks per Pomodoro session
  • Widget support for home screen
  • Focus mode that discards time if app is switched
  • Task deadline reminder notifications
Show 7 more
  • Daily recurring task functionality
  • Time-block calendar view showing task allocation
  • Ability to toggle/mute notification sounds
  • Mac version of the app
  • Undo/delete functionality for completed tasks
  • iCloud sync across devices
  • Badge notifications for pending tasks

柠檬自习室

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Cuckoo Timer

One-time1
  • Pro Account$1.99
4 purchases

柠檬自习室

One-time4
  • 柠檬叶12元$1.99
  • 自习礼盒-18元$2.99
  • 柠檬叶18元$2.99
Show 1 more
  • 自习礼盒-25元$3.99

Questions

Is Cuckoo Timer free?
Cuckoo Timer is free to download, with in-app purchases available.
Is 柠檬自习室 free?
柠檬自习室 is free to download, with in-app purchases available.
Which has better reviews, Cuckoo Timer or 柠檬自习室?
柠檬自习室 is rated higher. Cuckoo Timer averages 4.7 out of 5 from 319 ratings, while 柠檬自习室 averages 4.9 from 18 ratings.
Do Cuckoo Timer or 柠檬自习室 have ads?
柠檬自习室 shows ads; Cuckoo Timer does not.
Which is updated more often, Cuckoo Timer or 柠檬自习室?
Cuckoo Timer ships an update every 4 days, and 柠檬自习室 every 6 weeks. Most recently, Cuckoo Timer was updated on September 22, 2026 and 柠檬自习室 on September 21, 2026.

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