Comparison

チャイム vs Chime Machine

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

Head to head
About

チャイム

Features
Read full description

Use the chimes you often heard in your student days as an alarm clock or to mark study breaks and refresh your mind. Even as an adult, it might bring back memories. You can specify the year, month, day, hour, and minute, and set it to repeat on certain days of the week.

About

Chime Machine

Features
Read full description

A simple app that rings a chime at the same time each day. And yet, within that sound lies a gentle reminder: time is passing. That sound—sometimes bright, sometimes soft—reaches you in the flow of your day. No need to check the clock; it becomes a quiet pause, inviting you to notice the moment and breathe. Core features (free): ・Hear a chime at your chosen daily time ・Automatic playback via notifications, even without opening the app ・No ads, clean and minimal design Chime Machine Pro (paid subscription) unlocks more possibilities: ・Set multiple custom chimes at any time you like ・Choose from a variety of traditional bells and gentle tones ・Shape your own rhythm to match the way you live Time always flows quietly, whether we notice it or not. Each chime becomes a small anchor in the day. Chime Machine helps you treasure those moments— so your time feels more your own. How it fits into your day ・A gentle chime to start each morning ・A daily cue to take a mindful breath at the same time ・A signal to wrap up work or study sessions ・A rhythm for afternoon tea or coffee time ・A reminder to step outside for an evening walk ・A bedtime chime to mark the end of the day The same sound, at the same time, becomes a quiet rhythm that grounds your day. ----- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://chime-machine.moonxseed.com/privacy-policy/

Screenshots

チャイム3 screens
Chime Machine4 screens

Verdict

The call

The clearest difference is in-app purchases: チャイム at none against Chime Machine's 2. Chime Machine's advantage is ads (none vs shown) and update cadence (every 10 days vs monthly). On price, device support and iOS requirement 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. Chime Machine sells 2 in-app purchases, starting at $2.99 per month. チャイム asks for nothing beyond the download.

UpkeepUpdate frequency

チャイム ships an update monthly, Chime Machine every 10 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 3 level
チャイム versus Chime Machine: the parameters behind the verdict, then further details
ParameterチャイムChime Machine
PriceFreeFree
Update frequencyMonthlyEvery 10 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.018.0
Further details — not scored
Size26 MB91 MB
Age rating4+4+
Developerkouji kawaimoonxseed

In-app purchases

None

チャイム

No in-app purchases

2 purchases

Chime Machine

Subscriptions2
  • Monthly Pro subscription14 Days trial$2.991 Month
  • Yearly Pro subscription14 Days trial$29.991 Year

Questions

Is チャイム free?
チャイム is free to download, with no in-app purchases.
Is Chime Machine free?
Chime Machine is free to download, with in-app purchases available.
Do チャイム or Chime Machine have ads?
チャイム shows ads; Chime Machine does not.
Which is updated more often, チャイム or Chime Machine?
チャイム ships an update monthly, and Chime Machine every 10 days. Most recently, チャイム was updated on September 17, 2026 and Chime Machine on September 22, 2026.

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