# power2max vs Protractor for Angle Measuring

The clearest difference is rating: Protractor for Angle Measuring at 4.5 against power2max's 1.3. Protractor for Angle Measuring also leads on review sentiment (50% vs 9%) and update cadence (every 2 weeks vs every 15 months). power2max's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. power2max asks for nothing beyond the download.

Protractor for Angle Measuring holds the better App Store score, 4.5 against 1.3. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 9% of power2max's written reviews are positive against 50% of Protractor for Angle Measuring's.

power2max ships an update every 15 months, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | power2max | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (48 ratings)](https://appshunter.io/ios/app/power2max/id1380651289/reviews) | **[4.5 (1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews)** |
| Number of ratings | 48 | **1K** |
| Positive reviews | 8.6% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 112 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Saxonar GmbH Projektmanagement, Gerateentwicklung, Hard- und Software](https://appshunter.io/developer/1570243109) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### power2max

[App page](https://appshunter.io/ios/app/power2max/id1380651289)

This utility app allows users to connect with their power2max power meter. It facilitates the registration of the device, installation of upgrades, and updating of the power meter's firmware.

**Highlights:** Register power meter, Install upgrades, Update firmware, Power meter management

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor for Angle Measuring

[App page](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160)

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

**Highlights:** Real-time angle measurement, Touch and camera modes, Measure angles in photos, Simultaneous unlimited angle measurement, Tool color customization, Plumb bob pendulum for tilt

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $0.99 | per 7 days |
| Weekly Access with Trial | $1.99 | per 7 days |
| Weekly Access | $1.99 | per 7 days |
| Yearly Access | $3.99 | per year |
| Yearly Access | $4.99 | per year |

**What reviewers like**

- 👍 Useful for surveying and measuring angles
- 💡 Interesting use of camera to overlay protractor
- 👍 Helps with specific use cases like golf setup
- 👍 Provides a clutter-free protractor experience

**What reviewers complain about**

- 🐛 Difficulty using the protractor tool and angle measurement
- 🐛 Inability to zoom in/out when measuring angles in photos
- 🐛 Inaccurate angle measurements in some cases

**Reported bugs**

- Protractor tool is hard to use and requires multiple tries
- Angle measurements do not match real-world angles

**Requested features**

- Add more instructions and guidance for using the protractor tool
- Improve the zoom functionality when measuring angles in photos
- Enhance the accuracy of angle measurements


## Frequently asked questions

### Is power2max free?

power2max is free to download, with no in-app purchases.

### Is Protractor for Angle Measuring free?

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

### Which has better reviews, power2max or Protractor for Angle Measuring?

Protractor for Angle Measuring is rated higher. power2max averages 1.3 out of 5 from 48 ratings, while Protractor for Angle Measuring averages 4.5 from 1K ratings.

### Do power2max or Protractor for Angle Measuring have ads?

Protractor for Angle Measuring shows ads; power2max does not.

### Which is updated more often, power2max or Protractor for Angle Measuring?

power2max ships an update every 15 months, and Protractor for Angle Measuring every 2 weeks. Most recently, power2max was updated on September 17, 2026 and Protractor for Angle Measuring on September 24, 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.*