# Protractor Angle Finder Pro vs Authenticator App 2FA

The clearest difference is in-app purchases: Protractor Angle Finder Pro at none against Authenticator App 2FA's 3. Protractor Angle Finder Pro also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (12.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Authenticator App 2FA sells 3 in-app purchases, starting at $4.99 per month. Protractor Angle Finder Pro asks for nothing beyond the download.

Protractor Angle Finder Pro ships an update fortnightly, Authenticator App 2FA every 4 months. The most recent releases landed on September 19, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Protractor Angle Finder Pro | Authenticator App 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/protractor-angle-finder-pro/id6736649979/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 25 MB | 14 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) | [GOKTUG CETIN](https://appshunter.io/developer/1792437913) |

## What reviewers say

### Protractor Angle Finder Pro

[App page](https://appshunter.io/ios/app/protractor-angle-finder-pro/id6736649979)

This utility app provides a digital protractor using your device's camera for accurate angle measurements on real-world objects. It offers magnification and a frame pause feature for detailed inspection, making it ideal for DIY projects and hobbies.

**Highlights:** Camera-based angle measurement, Real-time video feed overlay, Frame pause for static inspection, Up to 11x magnification, Integrated torch

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

**In-app purchases:** none


### Authenticator App 2FA

[App page](https://appshunter.io/ios/app/authenticator-app-2fa-vats/id6761840439)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| De por vida | $24.99 | one-time |


## Frequently asked questions

### Is Protractor Angle Finder Pro free?

Protractor Angle Finder Pro is free to download, with no in-app purchases.

### Is Authenticator App 2FA free?

Authenticator App 2FA is free to download, with in-app purchases available.

### Do Protractor Angle Finder Pro or Authenticator App 2FA have ads?

Neither Protractor Angle Finder Pro nor Authenticator App 2FA shows ads.

### Which is updated more often, Protractor Angle Finder Pro or Authenticator App 2FA?

Protractor Angle Finder Pro ships an update fortnightly, and Authenticator App 2FA every 4 months. Most recently, Protractor Angle Finder Pro was updated on September 19, 2026 and Authenticator App 2FA on October 1, 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.*