Calendar LED vs FlowTimer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
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.
- Station-style schedule display
- Practical event alerts
- Japanese railway departure board themes
- Customizable themes
- Event reminders
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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 Japanβincluding Tokyo, Nagoya, and Shin-Osakaβare included and can be switched at any time.
FlowTimer
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Calendar LED ships an update weekly, FlowTimer every 11 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.
| Parameter | Calendar LED | FlowTimer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Weekly β better | Every 11 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 26.0 |
| Further details β not scored | ||
| Size | 49 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | TOMIHIDE OTA | CLEARBIX WORKS |
In-app purchases
Calendar LED
No in-app purchases
FlowTimer
No in-app purchases
Questions
Is Calendar LED free?
Is FlowTimer free?
Do Calendar LED or FlowTimer have ads?
Which is updated more often, Calendar LED or FlowTimer?
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