# Simple Ruler vs 量尺 Ruler

The clearest difference is ads: 量尺 Ruler at none against Simple Ruler's shown. Simple Ruler's advantage is update cadence (every 2 days vs every 6 days) and iOS requirement (13.0 vs 16.0). On price, 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.

Simple Ruler ships an update every 2 days, 量尺 Ruler every 6 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simple Ruler | 量尺 Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-ruler-tape-measure/id6794847902/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 25 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SATO TOMOMITUS](https://appshunter.io/developer/1615336235) | [禹焓 颜](https://appshunter.io/developer/6802085634) |

## What reviewers say

### Simple Ruler

[App page](https://appshunter.io/ios/app/simple-ruler-tape-measure/id6794847902)

Transform your phone into a versatile measuring tool. Accurately measure length, width, and angles with various modes and easy calibration. Works offline and respects your privacy.

**Highlights:** Ruler and protractor functionality, Multiple measuring modes (simple, single/dual cursor, width x height), Screen calibration for accuracy, Offline functionality, Dark mode support, Privacy-focused design

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

**In-app purchases:** none


### 量尺 Ruler

[App page](https://appshunter.io/ios/app/ruler/id6802361249)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Ruler free?

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

### Is 量尺 Ruler free?

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

### Do Simple Ruler or 量尺 Ruler have ads?

Simple Ruler shows ads; 量尺 Ruler does not.

### Which is updated more often, Simple Ruler or 量尺 Ruler?

Simple Ruler ships an update every 2 days, and 量尺 Ruler every 6 days. Most recently, Simple Ruler was updated on October 25, 2026 and 量尺 Ruler on October 24, 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.*