# Ruler App vs Simple Ruler inch/cm

The clearest difference is review sentiment: Simple Ruler inch/cm at 100% against Ruler App's 0%. Simple Ruler inch/cm also leads on update cadence (daily vs every 11 months). Ruler App's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Ruler App costs $0.99 and Simple Ruler inch/cm $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ruler App ships an update every 11 months, Simple Ruler inch/cm daily. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ruler App | Simple Ruler inch/cm |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/ruler-app/id303731879/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 2 MB | 1 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### Ruler App

[App page](https://appshunter.io/ios/app/ruler-app/id303731879)

Transform your iPhone or Apple Watch into a precise measuring tool. Easily switch between imperial and metric units and adjust the ruler's height for direct comparisons. Customize your experience with different color schemes.

**Highlights:** Imperial and metric scale switching, Adjustable ruler height, Color scheme customization, Apple Watch compatibility, Switchable ruler scales

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Simple Ruler inch/cm

[App page](https://appshunter.io/ios/app/simple-ruler-inchcm/id6479048575)

This utility transforms your iPhone into a precise on-screen ruler for measuring in inches and centimeters. It offers a simple interface for quick measurements, serving as a handy tool for various tasks.

**Highlights:** On-screen ruler, Inch measurement, Centimeter measurement, Simple interface, Accurate measurements

**In-app purchases:** none


## Frequently asked questions

### Is Ruler App free?

Ruler App costs $0.99, with no in-app purchases.

### Is Simple Ruler inch/cm free?

Simple Ruler inch/cm costs $0.99, with no in-app purchases.

### Do Ruler App or Simple Ruler inch/cm have ads?

Neither Ruler App nor Simple Ruler inch/cm shows ads.

### Which is updated more often, Ruler App or Simple Ruler inch/cm?

Ruler App ships an update every 11 months, and Simple Ruler inch/cm daily. Most recently, Ruler App was updated on October 22, 2026 and Simple Ruler inch/cm on October 16, 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.*