# Smart Protractor & Angle Meter vs Smart Level & Angle Finder

The clearest difference is ads: Smart Protractor & Angle Meter at none against Smart Level & Angle Finder's shown. Smart Level & Angle Finder's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Protractor & Angle Meter 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 Protractor & Angle Meter ships an update every 6 weeks, Smart Level & Angle Finder every 2 months. The most recent releases landed on September 10, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Smart Protractor & Angle Meter | Smart Level & Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-level-and-angle-finder/id6762005432/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 46 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [嵩 张](https://appshunter.io/developer/1864792206) |

## What reviewers say

### Smart Protractor & Angle Meter

[App page](https://appshunter.io/ios/app/smart-protractor-and-angle-meter/id6760594071)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | 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 Smart Protractor & Angle Meter free?

Smart Protractor & Angle Meter 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.

### Do Smart Protractor & Angle Meter or Smart Level & Angle Finder have ads?

Smart Level & Angle Finder shows ads; Smart Protractor & Angle Meter does not.

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

Smart Protractor & Angle Meter ships an update every 6 weeks, and Smart Level & Angle Finder every 2 months. Most recently, Smart Protractor & Angle Meter was updated on September 10, 2026 and Smart Level & Angle Finder on August 31, 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.*