# Ruler vs Degrees Calc

The clearest difference is rating: Degrees Calc at 5.0 against Ruler's 4.5. Degrees Calc also leads on update cadence (monthly vs every 3 months). Ruler's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Degrees Calc holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Ruler ships an update every 3 months, Degrees Calc monthly. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Ruler | Degrees Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/ruler-a-simple-ar-ruler-app/id1287068680/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/degrees-calc/id1440395802/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 22 MB | 15 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Play, Inc.](https://appshunter.io/developer/1078526009) | [Enes Akkus](https://appshunter.io/developer/1416782412) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-a-simple-ar-ruler-app/id1287068680)

This utility app uses augmented reality to measure lengths and areas in the real world. Simply point your device's camera to get accurate measurements.

**Highlights:** Augmented reality measurement, Measure length, Measure area, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Degrees Calc

[App page](https://appshunter.io/ios/app/degrees-calc/id1440395802)

Easily convert temperatures between various scales using formulas and a quick slide converter. Verify your conversions by entering values directly into the formula table.

**Highlights:** Temperature unit conversion formulas, Convert to and from Celsius, Formula table for verification, Slide converter for quick conversions, Supports multiple temperature scales

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruler free?

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

### Is Degrees Calc free?

Degrees Calc is free to download, with no in-app purchases.

### Which has better reviews, Ruler or Degrees Calc?

Degrees Calc is rated higher. Ruler averages 4.5 out of 5 from 4 ratings, while Degrees Calc averages 5.0 from 2 ratings.

### Do Ruler or Degrees Calc have ads?

Degrees Calc shows ads; Ruler does not.

### Which is updated more often, Ruler or Degrees Calc?

Ruler ships an update every 3 months, and Degrees Calc monthly. Most recently, Ruler was updated on November 3, 2026 and Degrees Calc on November 2, 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.*