# Smart Protractor vs Smart Protractor & Angle Meter

The clearest difference is update cadence: Smart Protractor at every 2 weeks against Smart Protractor & Angle Meter's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Protractor sells 1 one-off in-app purchase and Smart 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, Smart Protractor & Angle Meter every 6 weeks. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart Protractor | Smart Protractor & Angle Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 8 MB | 7 MB |
| Requires iOS | **17.2** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jun Yamabe](https://appshunter.io/developer/1732682049) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## 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 |


### 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 Smart Protractor free?

Smart Protractor 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 Smart Protractor or Smart Protractor & Angle Meter have ads?

Neither Smart Protractor nor Smart Protractor & Angle Meter shows ads.

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

Smart Protractor ships an update every 2 weeks, and Smart Protractor & Angle Meter every 6 weeks. Most recently, Smart Protractor was updated on September 11, 2026 and Smart Protractor & Angle Meter on September 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.*