# Flip Timer vs Time Flow Calendar

The clearest difference is iOS requirement: Flip Timer at 16.1 against Time Flow Calendar'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.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on August 12, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Flip Timer | Time Flow Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flip-timer-offscreen-focus/id1543547997/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 4 MB | 11 MB |
| Requires iOS | **16.1** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniil Kim](https://appshunter.io/developer/1648048774) | [Bar Tech Labs Limited](https://appshunter.io/developer/1857248671) |

## What reviewers say

### Flip Timer

[App page](https://appshunter.io/ios/app/flip-timer-offscreen-focus/id1543547997)

This app uses your phone's proximity sensor to minimize distractions by activating a timer when placed face down. It helps you concentrate on tasks and reminds you to take breaks. Strict mode prevents early interruptions.

**Highlights:** Proximity sensor activation, Blocks notifications and apps, Strict mode for discipline, Flashlight notification, Customizable timer length

**In-app purchases:** none


### Time Flow Calendar

[App page](https://appshunter.io/ios/app/time-flow-calendar/id6759542438)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flip Timer free?

Flip Timer is free to download, with no in-app purchases.

### Is Time Flow Calendar free?

Time Flow Calendar is free to download, with no in-app purchases.

### Do Flip Timer or Time Flow Calendar have ads?

Neither Flip Timer nor Time Flow Calendar shows ads.

### Which is updated more often, Flip Timer or Time Flow Calendar?

Flip Timer ships an update weekly, and Time Flow Calendar weekly. Most recently, Flip Timer was updated on August 12, 2026 and Time Flow Calendar on September 12, 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.*