# Smart Protractor & Angle Meter vs PleinColorWheel

The clearest difference is price: Smart Protractor & Angle Meter at Free against PleinColorWheel's $0.99. Smart Protractor & Angle Meter also leads on update cadence (every 6 weeks vs every 3 months). PleinColorWheel's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Smart Protractor & Angle Meter is free to download; PleinColorWheel costs $0.99 up front. Smart Protractor & Angle Meter sells 1 one-off in-app purchase. PleinColorWheel asks for nothing beyond the download.

Smart Protractor & Angle Meter ships an update every 6 weeks, PleinColorWheel every 3 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Smart Protractor & Angle Meter | PleinColorWheel |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 7 MB | 11 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) | [Gregory Kojadinovich](https://appshunter.io/developer/6788250479) |

## 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 |


### PleinColorWheel

[App page](https://appshunter.io/ios/app/pleincolorwheel/id6790414651)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Protractor & Angle Meter free?

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

### Is PleinColorWheel free?

PleinColorWheel costs $0.99, with no in-app purchases.

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

Neither Smart Protractor & Angle Meter nor PleinColorWheel shows ads.

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

Smart Protractor & Angle Meter ships an update every 6 weeks, and PleinColorWheel every 3 months. Most recently, Smart Protractor & Angle Meter was updated on October 14, 2026 and PleinColorWheel on October 16, 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.*