Comparison

Calendar LED vs FlowTimer

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

Head to head
About

Calendar LED

This app displays your calendar events using a unique station departure board aesthetic. It offers practical schedule alerts and features themes inspired by Japanese railway stations, making it appealing to both enthusiasts and those seeking functional event reminders.

Highlights
  • Station-style schedule display
  • Practical event alerts
  • Japanese railway departure board themes
  • Customizable themes
  • Event reminders
Features
Read full description

This app displays your calendar events in the style of Japanese railway departure boards. It not only appeals to railway enthusiasts, but also provides practical alerts to keep you on top of your upcoming schedules. Themes inspired by station departure boards from across Japanβ€”including Tokyo, Nagoya, and Shin-Osakaβ€”are included and can be switched at any time.

About

FlowTimer

Features
Read full description

See your remaining time at a glance β€” a bold number, a full-screen segment meter, and color that shifts as time runs out. A minimal, focused visual timer for iPhone and iPad. WHY YOU'LL USE IT β€’ Study or work sessions, including Pomodoro-style intervals β€’ Kids' routines, classrooms, and special-needs support β€” make "how much longer" visible β€’ Anyone who finds it hard to sense time passing β€’ Cooking, workouts, breaks β€” anything you need to time β€’ You just want a clean, satisfying timer with nothing extra FEATURES β€’ Wall-clock accurate countdown β€” stays correct even after returning from the background β€’ Full-screen segment meter shows remaining time at a glance β€’ Smooth color shift as time runs low (teal β†’ amber β†’ orange β†’ red) β€’ Interval mode for repeating work/break cycles (Pomodoro-style) β€’ Weekly report to review how you've been using your time β€’ Live Activity and Lock Screen support to track progress at a glance β€’ Home Screen widget β€” start a saved timer with one tap β€’ Notification, sound, and haptic feedback when time's up β€’ Built for iPhone and iPad, in English and Japanese A no-frills timer you can actually rely on. TERMS & PRIVACY β€’ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ β€’ Privacy Policy: https://flow-timer.com/privacy

Screenshots

Calendar LED2 screens
FlowTimer4 screens

Verdict

The call

The clearest difference is iOS requirement: Calendar LED at 15.1 against FlowTimer's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Calendar LED ships an update weekly, FlowTimer every 11 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

Scorecard1 real difference Β· 7 level
Calendar LED versus FlowTimer: the parameters behind the verdict, then further details
ParameterCalendar LEDFlowTimer
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyWeekly β€” betterEvery 11 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better26.0
Further details β€” not scored
Size49 MB9 MB
Age rating4+4+
DeveloperTOMIHIDE OTACLEARBIX WORKS

In-app purchases

None

Calendar LED

No in-app purchases

None

FlowTimer

No in-app purchases

Questions

Is Calendar LED free?
Calendar LED is free to download, with no in-app purchases.
Is FlowTimer free?
FlowTimer is free to download, with no in-app purchases.
Do Calendar LED or FlowTimer have ads?
Neither Calendar LED nor FlowTimer shows ads.
Which is updated more often, Calendar LED or FlowTimer?
Calendar LED ships an update weekly, and FlowTimer every 11 days. Most recently, Calendar LED was updated on November 13, 2026 and FlowTimer on November 10, 2026.

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