# Protractor Tool app vs Smart Protractor & Angle Meter

The clearest difference is ads: Smart Protractor & Angle Meter at none against Protractor Tool app's shown. Protractor Tool app's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Protractor Tool app sells 1 in-app purchase, starting at $1.99 per 7 days and Smart Protractor & Angle Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Protractor Tool app ships an update every 3 weeks, Smart Protractor & Angle Meter every 6 weeks. The most recent releases landed on October 31, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Protractor Tool app | Smart Protractor & Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 15 MB | 7 MB |
| Requires iOS | 18.4 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ES SOLUTIONS SMC-PRIVATE LIMITED](https://appshunter.io/developer/1770521364) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### Protractor Tool app

[App page](https://appshunter.io/ios/app/protractor-tool-app/id6752771015)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |


### 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 |


## Frequently asked questions

### Is Protractor Tool app free?

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

### Is Smart Protractor & Angle Meter free?

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

### Do Protractor Tool app or Smart Protractor & Angle Meter have ads?

Protractor Tool app shows ads; Smart Protractor & Angle Meter does not.

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

Protractor Tool app ships an update every 3 weeks, and Smart Protractor & Angle Meter every 6 weeks. Most recently, Protractor Tool app was updated on October 31, 2026 and Smart Protractor & Angle Meter on October 14, 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.*