# Offline Inclinometer vs Protractor Angle Measure Tool

The clearest difference is in-app purchases: Offline Inclinometer at none against Protractor Angle Measure Tool's 3. Offline Inclinometer also leads on iOS requirement (14.2 vs 16.0). Protractor Angle Measure Tool's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Protractor Angle Measure Tool sells 3 in-app purchases, starting at $4.99 per 7 days. Offline Inclinometer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Offline Inclinometer | Protractor Angle Measure Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (169 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews)** |
| Number of ratings | — | **169** |
| Positive reviews | — | 13.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 67 MB | 79 MB |
| Requires iOS | **14.2** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hopebest Inc Limited](https://appshunter.io/developer/1717524727) | [Appcellent](https://appshunter.io/developer/1870956141) |

## What reviewers say

### Offline Inclinometer

[App page](https://appshunter.io/ios/app/offline-inclinometer/id6499039794)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protractor Angle Measure Tool

[App page](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087)

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

**Highlights:** Precise angle measurement, Vertical and horizontal orientations, Multiple measurement units (degrees, radians, gradians), Target angle alerts with audio/vibration, Real-time precision readings, Apple Watch support with haptic feedback

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protractor Weekly | $4.99 | per 7 days |
| Protractor Weekly with Trial | $6.99 | per 7 days |
| Protractor Annual | $39.99 | per year |


## Frequently asked questions

### Is Offline Inclinometer free?

Offline Inclinometer is free to download, with no in-app purchases.

### Is Protractor Angle Measure Tool free?

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

### Do Offline Inclinometer or Protractor Angle Measure Tool have ads?

Offline Inclinometer shows ads; Protractor Angle Measure Tool does not.

### Which is updated more often, Offline Inclinometer or Protractor Angle Measure Tool?

Offline Inclinometer ships an update monthly, and Protractor Angle Measure Tool monthly. Most recently, Offline Inclinometer was updated on September 10, 2026 and Protractor Angle Measure Tool on September 29, 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.*