# Flip Clock vs Fill

The clearest difference is update cadence: Fill at daily against Flip Clock's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flip Clock sells 1 one-off in-app purchase and Fill sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Flip Clock ships an update monthly, Fill daily. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Flip Clock | Fill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 3 MB | 26 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [磊 刘](https://appshunter.io/developer/1892400556) | [Cheng Hung Lo](https://appshunter.io/developer/1896510744) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-timer-and-focus/id6767742797)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleClock Pro Edition | $2.99 | one-time |


### Fill

[App page](https://appshunter.io/ios/app/fill-timer/id6767813234)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Premium Scenes | $1.99 | one-time |
| Bundle Package | $2.99 | one-time |


## Frequently asked questions

### Is Flip Clock free?

Flip Clock is free to download, with in-app purchases available.

### Is Fill free?

Fill is free to download, with in-app purchases available.

### Do Flip Clock or Fill have ads?

Neither Flip Clock nor Fill shows ads.

### Which is updated more often, Flip Clock or Fill?

Flip Clock ships an update monthly, and Fill daily. Most recently, Flip Clock was updated on September 30, 2026 and Fill on October 11, 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.*