Comparison

Mugen Clock vs Sleep Bonsai

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

Head to head
About

Mugen Clock

This app displays the time in large, easy-to-read numbers with customizable themes and colors. It includes a kitchen timer and stopwatch, with options to show weather, date, and seconds, or use a personal photo as the background.

Highlights
  • Large, easy-to-read time display
  • Customizable themes and colors
  • Kitchen timer and stopwatch
  • Optional weather, date, and seconds
  • Photo or camera background
  • Save and switch between custom clocks
Features
Read full description

Looking for a clock that is easy to read? Mugen Clock fills the screen with large numbers and beautiful, vivid colors to make the time easy to see. It brings together the features you expect from a clock app, including a kitchen timer and stopwatch, in a simple design. And it offers more than readability. You can customize it in many ways to make it your own. For example, you can show or hide the weather, temperature, date, day of the week, and seconds, and control the screen orientation. You can also set a favorite photo as the background or display a live camera view with stylish effects. Carefully selected color themes can completely change the look and feel. The combinations are endless. You can save the clocks you create, too. Switching between saved clocks to suit your needs or your mood is easy. It does more than show the time: a simple, easy-to-use timer is also built in. Keep it nearby while studying, cooking, or exercising. The ways to use it are endless, too. Make this clock part of your everyday life.

About

Sleep Bonsai

Features
Read full description

Sleep better. Grow something beautiful. Sleep Bonsai turns your bedtime routine into a simple plant-growing experience. Put your phone down when you're ready to sleep, and your plant grows while you rest. The better your sleep routine, the healthier your plant becomes. HOW IT WORKS • Start Sleep mode when you go to bed • Put your phone down and take a break from the screen • Sleep through the night • Wake up and see how your plant has grown • Build healthier bedtime habits, one night at a time GROW YOUR COLLECTION Start with your bonsai and unlock more plants as you enjoy the app. Grow different plants including: • Bonsai • Ficus • Tulip • Morning Glory • Dandelion • Rose A CALMER BEDTIME ROUTINE Sleep Bonsai is designed to make putting your phone down before bed feel a little more rewarding. Instead of endlessly scrolling, start Sleep mode, leave your phone alone, and let your plant grow while you rest. No complicated routine. No pressure. Just sleep, wake up, and grow. PERFECT FOR PEOPLE WHO WANT TO • Build better sleep habits • Reduce screen time before bed • Create a relaxing nighttime routine • Stay motivated to put their phone down • Enjoy a simple virtual plant-growing experience Your little plant is waiting. Put your phone down. Get some rest. See what grows by morning.

Screenshots

Mugen Clock4 screens
Sleep Bonsai3 screens

Verdict

The call

The clearest difference is update cadence: Mugen Clock at every 9 days against Sleep Bonsai's every 3 weeks. On price, ads, in-app purchases 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. Mugen Clock sells 1 one-off in-app purchase and Sleep Bonsai sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Mugen Clock ships an update every 9 days, Sleep Bonsai every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Mugen Clock versus Sleep Bonsai: the parameters behind the verdict, then further details
ParameterMugen ClockSleep Bonsai
PriceFreeFree
Rating4.5 (65 ratings) — better—
Positive reviews95.7% of reviews—
Number of ratings65 — better—
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size116 MB6 MB
Age rating4+4+
DeveloperKoichiro KamadaRyo Matsumoto

In-app purchases

1 purchases

Mugen Clock

One-time1
  • Premium$5.99
5 purchases

Sleep Bonsai

One-time5
  • たんぽぽ$1.99
  • ガジュマル$1.99
  • チューリップ$1.99
Show 2 more
  • アサガオ$1.99
  • バラ$1.99

Questions

Is Mugen Clock free?
Mugen Clock is free to download, with in-app purchases available.
Is Sleep Bonsai free?
Sleep Bonsai is free to download, with in-app purchases available.
Do Mugen Clock or Sleep Bonsai have ads?
Both Mugen Clock and Sleep Bonsai show ads.
Which is updated more often, Mugen Clock or Sleep Bonsai?
Mugen Clock ships an update every 9 days, and Sleep Bonsai every 3 weeks. Most recently, Mugen Clock was updated on November 6, 2026 and Sleep Bonsai on October 31, 2026.

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