# Calendar LED vs FlowTimer

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.

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.

## The numbers

| Metric | Calendar LED | FlowTimer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | Free | — |
| Size | 49 MB | 9 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TOMIHIDE OTA](https://appshunter.io/developer/1796389332) | [CLEARBIX WORKS](https://appshunter.io/developer/1868965114) |

## What reviewers say

### Calendar LED

[App page](https://appshunter.io/ios/app/calendar-led/id6756488079)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### FlowTimer

[App page](https://appshunter.io/ios/app/flowtimer-visual-focus-timer/id6788403768)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*