# Smart Protractor vs Protractor Angle Meter

Smart Protractor and Protractor Angle Meter are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Smart Protractor sells 1 one-off in-app purchase and Protractor Angle Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Smart Protractor ships an update every 2 weeks, Protractor Angle Meter fortnightly. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Smart Protractor | Protractor Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 56 MB |
| Requires iOS | **17.2** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Jun Yamabe](https://appshunter.io/developer/1732682049) | [Romiick LLC](https://appshunter.io/developer/1716146475) |

## What reviewers say

### Smart Protractor

[App page](https://appshunter.io/ios/app/smart-protractor/id6746047543)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Protractor Angle Meter

[App page](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306)

This app allows you to measure angles from photos using your device's camera or existing images. Add multiple measurements with customizable colors and labels, and view results in various units. Save your work automatically and export high-quality images of your measurements.

**Highlights:** Measure angles from photos, Live camera or photo library input, Multiple angle measurements per photo, Customizable color and labels, Degrees, radians, or slope percentage output, Precision Loupe for accuracy, Automatic saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $9.99 | one-time |


## Frequently asked questions

### Is Smart Protractor free?

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

### Is Protractor Angle Meter free?

Protractor Angle Meter is free to download, with in-app purchases available.

### Do Smart Protractor or Protractor Angle Meter have ads?

Neither Smart Protractor nor Protractor Angle Meter shows ads.

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

Smart Protractor ships an update every 2 weeks, and Protractor Angle Meter fortnightly. Most recently, Smart Protractor was updated on November 8, 2026 and Protractor Angle Meter on November 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.*