# Protractor for Angle Measuring vs Keiser Manager

The clearest difference is rating: Protractor for Angle Measuring at 4.5 against Keiser Manager's 4.0. Protractor for Angle Measuring also leads on ratings volume (1K vs 4) and update cadence (every 2 weeks vs every 2 months). Keiser Manager's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, device support and iOS requirement 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. Keiser Manager asks for nothing beyond the download.

Protractor for Angle Measuring holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 4, so its average is the more settled of the two.

Protractor for Angle Measuring ships an update every 2 weeks, Keiser Manager every 2 months. The most recent releases landed on October 3, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Protractor for Angle Measuring | Keiser Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/keiser-manager/id6483933680/reviews) |
| Number of ratings | **1K** | 4 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 42 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) | [Keiser Corp.](https://appshunter.io/developer/1094598974) |

## What reviewers say

### 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


### Keiser Manager

[App page](https://appshunter.io/ios/app/keiser-manager/id6483933680)

This app provides structured and secure data management for organizations like fitness facilities, sports teams, and educational institutions. It requires specific hardware to function correctly.

**Highlights:** Structured data management, Secure data handling, Organizational data solutions, Requires Hub hardware, Contact support for info

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor for Angle Measuring free?

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

### Is Keiser Manager free?

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

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

Protractor for Angle Measuring is rated higher. Protractor for Angle Measuring averages 4.5 out of 5 from 1K ratings, while Keiser Manager averages 4.0 from 4 ratings.

### Do Protractor for Angle Measuring or Keiser Manager have ads?

Protractor for Angle Measuring shows ads; Keiser Manager does not.

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

Protractor for Angle Measuring ships an update every 2 weeks, and Keiser Manager every 2 months. Most recently, Protractor for Angle Measuring was updated on October 3, 2026 and Keiser Manager on September 26, 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.*