# Ruler vs Mathify

The clearest difference is iOS requirement: Mathify at 16.4 against Ruler's 18.0. On price, ads, 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.

## The numbers

| Metric | Ruler | Mathify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ruler-screen-accurate-ruler/id6746461013/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 0 MB | 44 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ethan Dietrich](https://appshunter.io/developer/1786120601) | [Vinayak Dhadda](https://appshunter.io/developer/1887483788) |

## What reviewers say

### Ruler

[App page](https://appshunter.io/ios/app/ruler-screen-accurate-ruler/id6746461013)

Transform your device into a precise measuring tool. Measure objects, distances, and spaces with fingertip accuracy. Offers real-time results in both metric and imperial units, with professional calibration for your specific device.

**Highlights:** Instant touch measurement, Two-finger measurement, Real-time results (cm/inches), Professional accuracy calibration, Metric & Imperial units, Save and share measurements, Dark & Light mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathify

[App page](https://appshunter.io/ios/app/mathify-ai-calculator/id6797204233)

**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 Mathify free?

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

### Do Ruler or Mathify have ads?

Neither Ruler nor Mathify shows ads.

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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.*