# Protractor Smart vs 70 Degree

The clearest difference is rating: Protractor Smart at 4.6 against 70 Degree's 2.9. Protractor Smart also leads on ads (none vs shown) and review sentiment (44% vs 20%). 70 Degree's advantage is in-app purchases (none vs 1) and update cadence (every 6 months vs every 21 months). On price and device support there is nothing between them.

Both are free to download. Protractor Smart sells 1 one-off in-app purchase. 70 Degree asks for nothing beyond the download.

Protractor Smart holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Protractor Smart has 242 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 44% of Protractor Smart's written reviews are positive against 20% of 70 Degree's.

Protractor Smart ships an update every 21 months, 70 Degree every 6 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Protractor Smart | 70 Degree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (242 ratings)](https://appshunter.io/ios/app/protractor-smart/id1076530001/reviews)** | [2.9 (10 ratings)](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699/reviews) |
| Number of ratings | **242** | 10 |
| Positive reviews | **43.6% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 6 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 19 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [sekleung chang](https://appshunter.io/developer/867512958) |

## What reviewers say

### Protractor Smart

[App page](https://appshunter.io/ios/app/protractor-smart/id1076530001)

This app acts as a smart instrument for measuring angles using your device's camera. It offers two free modes for measuring angles on screen or using a plumb bob for slopes, with an additional premium mode for polygon measurements.

**Highlights:** Camera-based angle measurement, Touch measure mode, Plumb bob measure for slopes, Polygon measurement (premium), Screenshot functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdBlock - Remove ads | $1.99 | one-time |

**What reviewers like**

- 👍 Useful for measurements
- 👍 Accurate for its purpose
- 👍 Convenient and handy
- 👍 Good for specific tasks (e.g., knife sharpening, stereo mic angles)
- 👍 No excessive charges

**What reviewers complain about**

- 🐛 App freezes/loads indefinitely
- 🐛 Does not launch after updates
- 🐛 Stuck on loading screen
- 🐛 Inaccurate or unstable measurements
- 🐛 Camera quality issues

**Reported bugs**

- App loads indefinitely
- App does not launch after iOS updates
- Stuck on loading screen
- Photo upload not possible in premium version
- Upside-down protractor on iOS

**Requested features**

- Improve camera function (light, zoom)
- Add automatic hold function
- Increase digital readout size
- Add more skins/cosmetics
- Option to remove ads


### 70 Degree

[App page](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699)

This utility app helps you measure angles with your iPhone. It provides notifications when a target angle is reached, with options for visual and auditory alerts.

**Highlights:** Angle degree measurement, Customizable angle alerts, Visual strobe notifications, Auditory alerts, Vibration alerts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Smart free?

Protractor Smart is free to download, with in-app purchases available.

### Is 70 Degree free?

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

### Which has better reviews, Protractor Smart or 70 Degree?

Protractor Smart is rated higher. Protractor Smart averages 4.6 out of 5 from 242 ratings, while 70 Degree averages 2.9 from 10 ratings.

### Do Protractor Smart or 70 Degree have ads?

70 Degree shows ads; Protractor Smart does not.

### Which is updated more often, Protractor Smart or 70 Degree?

Protractor Smart ships an update every 21 months, and 70 Degree every 6 months. Most recently, Protractor Smart was updated on October 13, 2026 and 70 Degree on October 7, 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.*