# ARuler vs Smart Level & Angle Finder

The clearest difference is rating: Smart Level & Angle Finder at 5.0 against ARuler's 1.0. ARuler's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. ARuler sells 1 one-off in-app purchase and Smart Level & Angle Finder sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart Level & Angle Finder holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ARuler ships an update every 3 months, Smart Level & Angle Finder every 2 months. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ARuler | Smart Level & Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/aruler/id1290158408/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-level-and-angle-finder/id6762005432/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 46 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [思远 伍](https://appshunter.io/developer/1128300278) | [Tianjin Illuso Information Technology Co., Ltd.](https://appshunter.io/developer/1864792206) |

## What reviewers say

### ARuler

[App page](https://appshunter.io/ios/app/aruler/id1290158408)

This utility app provides a convenient measuring tool directly on your smartphone. It allows for accurate measurements of objects without any extra hardware, and you can save and share your results.

**Highlights:** Accurate measurements, No additional hardware required, Save measurements, Share measurements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro version | $0.99 | one-time |


### Smart Level & Angle Finder

[App page](https://appshunter.io/ios/app/smart-level-and-angle-finder/id6762005432)

This app offers a suite of professional-grade digital tools, including a spirit level, wall scanner, AR ruler, and protractor. It's designed for both professionals and DIYers to perform precise measurements and detect objects behind walls, all without an internet connection.

**Highlights:** Spirit Level (Bubble Level), Wall Scanner & Stud Finder, AR Ruler & Tape Measure, Protractor & Inclinometer, Digital Ruler, Plumb Bob, Offline Functionality

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $5.99 | per 7 days |
| Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is ARuler free?

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

### Is Smart Level & Angle Finder free?

Smart Level & Angle Finder is free to download, with in-app purchases available.

### Which has better reviews, ARuler or Smart Level & Angle Finder?

Smart Level & Angle Finder is rated higher. ARuler averages 1.0 out of 5 from 1 ratings, while Smart Level & Angle Finder averages 5.0 from 1 ratings.

### Do ARuler or Smart Level & Angle Finder have ads?

Smart Level & Angle Finder shows ads; ARuler does not.

### Which is updated more often, ARuler or Smart Level & Angle Finder?

ARuler ships an update every 3 months, and Smart Level & Angle Finder every 2 months. Most recently, ARuler was updated on October 7, 2026 and Smart Level & Angle Finder on October 6, 2026.

---

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