# 定規(Ruler)for iPad vs Life

The clearest difference is review sentiment: Life at 100% against 定規(Ruler)for iPad's 60%. Life also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). 定規(Ruler)for iPad's advantage is iOS requirement (14.1 vs 18.0). 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.

定規(Ruler)for iPad ships an update every 5 months, Life every 3 weeks. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 定規(Ruler)for iPad | Life |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (7 ratings)](https://appshunter.io/ios/app/life-size-ruler/id6503698542/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 1 MB | 5 MB |
| Requires iOS | **14.1** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mayumi Kato](https://appshunter.io/developer/705832872) | [Jumpei Adachi](https://appshunter.io/developer/1516414955) |

## What reviewers say

### 定規(Ruler)for iPad

[App page](https://appshunter.io/ios/app/rulerfor-ipad/id1148435850)

This free utility app functions as a precise digital ruler for iPads. It supports both millimeter and inch measurements, making it easy to measure any object directly on your device. Designed for simplicity and a cool user experience.

**Highlights:** Digital ruler functionality, Millimeter measurement, Inch measurement, Supports all iPad sizes, Simple and cool interface

**In-app purchases:** none


### Life

[App page](https://appshunter.io/ios/app/life-size-ruler/id6503698542)

Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your screen. It's a convenient digital ruler for everyday tasks.

**Highlights:** Smartphone as a ruler, Measure lengths, Digital measuring tool, Precise measurements

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is 定規(Ruler)for iPad free?

定規(Ruler)for iPad is free to download, with no in-app purchases.

### Is Life free?

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

### Do 定規(Ruler)for iPad or Life have ads?

定規(Ruler)for iPad shows ads; Life does not.

### Which is updated more often, 定規(Ruler)for iPad or Life?

定規(Ruler)for iPad ships an update every 5 months, and Life every 3 weeks. Most recently, 定規(Ruler)for iPad was updated on November 2, 2026 and Life on November 8, 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.*