# Flip Clock vs Sanctum

The clearest difference is in-app purchases: Flip Clock at none against Sanctum's 1. Flip Clock also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sanctum sells 1 one-off in-app purchase. Flip Clock asks for nothing beyond the download.

Flip Clock ships an update every 2 months, Sanctum every 5 weeks. Both last shipped on October 10, 2026.

## The numbers

| Metric | Flip Clock | Sanctum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/flip-clock-focus-timer/id6449533077/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [裕涛 兰](https://appshunter.io/developer/1624361053) | [Branko Borota](https://appshunter.io/developer/1228658475) |

## What reviewers say

### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-focus-timer/id6449533077)

This app offers a visually stunning and artistic way to display time on your device. It combines unique clock face designs with useful features like a Pomodoro timer and relaxing music. Customize the look with various themes, colors, and fonts to match your personal style.

**Highlights:** Artistic clock faces, Pomodoro timer, Stopwatch, Relaxing music, Customizable themes, Dark mode

**Features:** Vision Pro support

**In-app purchases:** none


### Sanctum

[App page](https://appshunter.io/ios/app/sanctum-private-journal/id6762153438)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sanctum Pro | $9.99 | one-time |


## Frequently asked questions

### Is Flip Clock free?

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

### Is Sanctum free?

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

### Do Flip Clock or Sanctum have ads?

Neither Flip Clock nor Sanctum shows ads.

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

Flip Clock ships an update every 2 months, and Sanctum every 5 weeks. Most recently, Flip Clock was updated on October 10, 2026 and Sanctum on October 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.*