# GAP Flasher vs Protractor for Angle Measuring

The clearest difference is in-app purchases: GAP Flasher at none against Protractor for Angle Measuring's 5. GAP Flasher also leads on ads (none vs shown) and iOS requirement (9.0 vs 16.6). Protractor for Angle Measuring's advantage is ratings volume (1K vs 5). On price, rating, update cadence 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. GAP Flasher asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for GAP Flasher against 4.5 for Protractor for Angle Measuring. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1K ratings behind it against 5, so its average is the more settled of the two.

GAP Flasher ships an update fortnightly, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | GAP Flasher | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/gap-flasher/id1201784074/reviews)** | [4.5 (1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews) |
| Number of ratings | 5 | **1K** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 112 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GAP Innovation](https://appshunter.io/developer/632832354) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### GAP Flasher

[App page](https://appshunter.io/ios/app/gap-flasher/id1201784074)

This utility app enables communication with specific hardware devices through a user-friendly Bluetooth interface. It simplifies device operation for users with compatible hardware.

**Highlights:** Bluetooth communication, Device operation, User-friendly interface, GAP Flasher hardware compatible

**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 GAP Flasher free?

GAP Flasher 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, GAP Flasher or Protractor for Angle Measuring?

GAP Flasher is rated higher. GAP Flasher averages 4.6 out of 5 from 5 ratings, while Protractor for Angle Measuring averages 4.5 from 1K ratings.

### Do GAP Flasher or Protractor for Angle Measuring have ads?

Protractor for Angle Measuring shows ads; GAP Flasher does not.

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

GAP Flasher ships an update fortnightly, and Protractor for Angle Measuring every 2 weeks. Most recently, GAP Flasher was updated on September 9, 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.*