# Simple Ruler inch/cm vs Barkoder Keyboard

The clearest difference is review sentiment: Simple Ruler inch/cm at 100% against Barkoder Keyboard's 0%. Simple Ruler inch/cm also leads on in-app purchases (none vs 1) and update cadence (daily vs every 5 months). Barkoder Keyboard's advantage is price (Free vs $0.99). On ads, device support and iOS requirement there is nothing between them.

Barkoder Keyboard is free to download; Simple Ruler inch/cm costs $0.99 up front. Barkoder Keyboard sells 1 one-off in-app purchase. Simple Ruler inch/cm asks for nothing beyond the download.

Simple Ruler inch/cm ships an update daily, Barkoder Keyboard every 5 months. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Simple Ruler inch/cm | Barkoder Keyboard |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/barkoder-keyboard/id6578450612/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 12 MB |
| Requires iOS | 16.1 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Systemiko Inc.](https://appshunter.io/developer/680630947) | [Barkoder](https://appshunter.io/developer/1642700737) |

## What reviewers say

### 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


### Barkoder Keyboard

[App page](https://appshunter.io/ios/app/barkoder-keyboard/id6578450612)

This utility app provides a keyboard that integrates barcode scanning directly into any application. Streamline tasks like shopping or inventory management by quickly scanning product codes without leaving your current app.

**Highlights:** Integrated barcode scanning, Scan within any app, Quick product information access, Shopping assistance, Inventory management tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Scans | $29.49 | one-time |


## Frequently asked questions

### Is Simple Ruler inch/cm free?

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

### Is Barkoder Keyboard free?

Barkoder Keyboard is free to download, with in-app purchases available.

### Do Simple Ruler inch/cm or Barkoder Keyboard have ads?

Neither Simple Ruler inch/cm nor Barkoder Keyboard shows ads.

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

Simple Ruler inch/cm ships an update daily, and Barkoder Keyboard every 5 months. Most recently, Simple Ruler inch/cm was updated on September 12, 2026 and Barkoder Keyboard on September 10, 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.*