# Protractor Angle Measure App vs Authenticator App Vault+

The clearest difference is rating: Authenticator App Vault+ at 5.0 against Protractor Angle Measure App's 2.3. Authenticator App Vault+ also leads on review sentiment (57% vs 20%) and ads (none vs shown). Protractor Angle Measure App's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Protractor Angle Measure App sells 3 in-app purchases, starting at $3.99 per month and Authenticator App Vault+ sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Authenticator App Vault+ holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 20% of Protractor Angle Measure App's written reviews are positive against 57% of Authenticator App Vault+'s.

Protractor Angle Measure App ships an update every 4 months, Authenticator App Vault+ weekly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Protractor Angle Measure App | Authenticator App Vault+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/authenticator-app-vault-plus/id6785424413/reviews)** |
| Number of ratings | 4 | 4 |
| Positive reviews | 20.0% of reviews | **57.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 57 MB | 50 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ebenezer Oteng](https://appshunter.io/developer/1840002550) | [NEUXMIND (HK) LIMITED](https://appshunter.io/developer/6785424415) |

## What reviewers say

### Protractor Angle Measure App

[App page](https://appshunter.io/ios/app/protractor-angle-measure-app/id6755661639)

This tool allows for instant and accurate angle measurements using a digital protractor, camera overlay, and ruler. It supports 180° and 360° measurements, ideal for students, engineers, builders, and DIYers for various projects.

**Highlights:** Accurate digital protractor, 180° & 360° measurement, Camera overlay for real-time angles, Ruler mode for line measurement, Angle lock and precision control, Simple, distraction-free interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $39.99 | per year |
| Lifetime access | $9.99 | one-time |


### Authenticator App Vault+

[App page](https://appshunter.io/ios/app/authenticator-app-vault-plus/id6785424413)

Secure your digital life by generating time-based one-time passwords for your accounts. This app provides offline access to verification codes, instant setup via QR code scanning, and encrypted backups for seamless device switching. It offers a distraction-free experience without advertisements.

**Highlights:** Generate 6-digit verification codes, Offline code generation, Instant QR code setup, Encrypted iCloud backup, Supports major platforms, Ad-free experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Security | $6.99 | per 7 days |
| Premium Security | $59.99 | per year |
| Premium Security | Free | one-time |


## Frequently asked questions

### Is Protractor Angle Measure App free?

Protractor Angle Measure App is free to download, with in-app purchases available.

### Is Authenticator App Vault+ free?

Authenticator App Vault+ is free to download, with in-app purchases available.

### Which has better reviews, Protractor Angle Measure App or Authenticator App Vault+?

Authenticator App Vault+ is rated higher. Protractor Angle Measure App averages 2.3 out of 5 from 4 ratings, while Authenticator App Vault+ averages 5.0 from 4 ratings.

### Do Protractor Angle Measure App or Authenticator App Vault+ have ads?

Protractor Angle Measure App shows ads; Authenticator App Vault+ does not.

### Which is updated more often, Protractor Angle Measure App or Authenticator App Vault+?

Protractor Angle Measure App ships an update every 4 months, and Authenticator App Vault+ weekly. Most recently, Protractor Angle Measure App was updated on September 28, 2026 and Authenticator App Vault+ 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.*