Comparison

Zen Flip Clock vs Su

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

Head to head
About

Zen Flip Clock

This app offers a minimalist clock experience with multiple themes and powerful focus tools. It functions as a fullscreen desk clock and includes a Pomodoro timer, stopwatch, and hourly chime to help manage time and improve productivity.

Highlights
  • Multiple clock themes (flip, digital, minimalist)
  • Fullscreen desk clock functionality
  • Pomodoro timer for focused work sessions
  • Stopwatch for timing tasks
  • Hourly chime for routine building
  • Time usage statistics
  • Home and lock screen widgets
Features
Read full description

Zen Flip Clock A minimalist flip clock, desk clock, and focus timer designed to make time clear, simple, and easy to follow. Choose from multiple clock themes, including flip clock, digital clock, and minimalist styles. Use it as a fullscreen clock for studying, working, focusing, or as a clean nightstand clock. Open the app and start right away. Why Zen Flip Clock More than just a clock, Zen Flip Clock is a simple tool for focus and time management. From study sessions and focused work to everyday timing, it helps you stay aware of your time and make every minute count. Key Features Multiple Clock Themes Choose from flip clock, digital clock, and minimalist clock designs. Use your favorite theme as a desk clock, fullscreen clock, or nightstand clock for work, study, and everyday use. Pomodoro Timer Stay focused with the built-in Pomodoro timer. Perfect for studying, reading, working, and other tasks that require concentration. Count Up Timer Track elapsed time for studying, workouts, meditation, reading, and everyday activities. Hourly Chime Stay aware of time with hourly chimes and customizable reminders. Build better routines for work, study, and daily life. Focus Statistics Track your focus time and usage to better understand how you spend your time. Personalization Multiple Themes Switch between a variety of minimalist clock themes, from classic flip clock designs to clean digital styles. Smooth Animations Enjoy clean, natural, and fluid clock animations designed for a calm visual experience. Home & Lock Screen Widgets View the time at a glance with Home Screen and Lock Screen widgets without opening the app. Easy Controls Swipe left for Pomodoro Swipe right for Count Up Timer Tap to open Settings Whether you need a flip clock for your desk, a fullscreen digital clock for studying, a Pomodoro timer for focused work, or a simple nightstand clock, Zen Flip Clock keeps time clear and focus simple. Make time visible. Stay focused. Contact & Legal ▸ Bug Reports & Feedback: minimalsoftwarestudio@gmail.com ▸ Terms of Use: https://minimalsoftwarestudio.feishu.cn/docs/doccnK7LrYMwBFdr7SRl4qQv2lb

About

Su

Features
Read full description

Su(スー)の公式アプリです。 【概要】 ■ アプリ上から24時間いつでも予約が可能。 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■ クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■ スタッフが施術したスタイルを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■ マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタッフの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。

Screenshots

Zen Flip Clock4 screens
Su2 screens

Verdict

The call

The clearest difference is in-app purchases: Su at none against Zen Flip Clock's 3. Su also leads on iOS requirement (8.0 vs 15.0). Zen Flip Clock's advantage is update cadence (every 2 weeks vs every 23 months). On price, 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. Zen Flip Clock sells 3 in-app purchases, starting at $0.99 per month. Su asks for nothing beyond the download.

UpkeepUpdate frequency

Zen Flip Clock ships an update every 2 weeks, Su every 23 months. The most recent releases landed on October 2, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
Zen Flip Clock versus Su: the parameters behind the verdict, then further details
ParameterZen Flip ClockSu
PriceFreeFree
Rating4.7 (6.2K ratings) — better—
Positive reviews71.8% of reviews—
Number of ratings6.2K — better—
Update frequencyEvery 2 weeks — betterEvery 23 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.08.0 — better
Further details — not scored
Size104 MB3 MB
Age rating4+4+
DeveloperChaoyang Minimal Software Studiotakashi ishimoto

Bugs and requests

Zen Flip Clock

Reported bugs

5 issues
  • Time display inaccuracies
  • Widget freezing and displaying incorrect time
  • Pomodoro timer not working as expected
  • Compatibility issues with latest iOS updates
  • App crashing or becoming unresponsive

Requested features

8 requests
  • Add alarm functionality
  • Implement live activities support
  • Allow custom pomodoro timer durations
  • Provide more theme/color options
  • Add world clock/timezone support
Show 3 more
  • Enable screen lock/password protection
  • Improve widget behavior and reliability
  • Introduce a timer mode (countdown)

Su

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Zen Flip Clock

Subscriptions2
  • Monthly Pro3 Days trial$0.991 Month
  • Yearly Pro7 Days trial$4.991 Year
One-time1
  • Lifetime Pro$9.99
None

Su

No in-app purchases

Questions

Is Zen Flip Clock free?
Zen Flip Clock is free to download, with in-app purchases available.
Is Su free?
Su is free to download, with no in-app purchases.
Do Zen Flip Clock or Su have ads?
Neither Zen Flip Clock nor Su shows ads.
Which is updated more often, Zen Flip Clock or Su?
Zen Flip Clock ships an update every 2 weeks, and Su every 23 months. Most recently, Zen Flip Clock was updated on October 2, 2026 and Su on September 13, 2026.

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