# AR Ruler Lite vs Flip Clock

The clearest difference is in-app purchases: AR Ruler Lite at none against Flip Clock's 1. AR Ruler Lite also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). On price, update cadence and device support there is nothing between them.

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

AR Ruler Lite ships an update every 2 days, Flip Clock daily. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AR Ruler Lite | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (3 ratings)](https://appshunter.io/ios/app/ar-ruler-lite/id1366558089/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free | — |
| Size | 22 MB | 16 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ca Li Sa](https://appshunter.io/developer/1230458305) | [SeungHyun Hong](https://appshunter.io/developer/1633579150) |

## What reviewers say

### AR Ruler Lite

[App page](https://appshunter.io/ios/app/ar-ruler-lite/id1366558089)

This utility app transforms your smartphone into a portable measuring tool using augmented reality. Simply point your device and tap to measure distances and dimensions of various objects in your environment.

**Highlights:** Augmented reality measurement, Measure distances between points, Measure multiple objects, Surface detection, Intuitive tap interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-desk-clock/id1633579148)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flip Clock Pro | $3.99 | one-time |


## Frequently asked questions

### Is AR Ruler Lite free?

AR Ruler Lite is free to download, with no in-app purchases.

### Is Flip Clock free?

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

### Do AR Ruler Lite or Flip Clock have ads?

Flip Clock shows ads; AR Ruler Lite does not.

### Which is updated more often, AR Ruler Lite or Flip Clock?

AR Ruler Lite ships an update every 2 days, and Flip Clock daily. Most recently, AR Ruler Lite was updated on November 2, 2026 and Flip Clock on November 3, 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.*