# Life vs Nook

The clearest difference is iOS requirement: Nook at 13.0 against Life's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Life ships an update every 3 weeks, Nook every 2 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Life | Nook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/life-size-ruler/id6503698542/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 71 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jumpei Adachi](https://appshunter.io/developer/1516414955) | [JEONGHUN YU](https://appshunter.io/developer/1852253997) |

## What reviewers say

### 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


### Nook

[App page](https://appshunter.io/ios/app/nook/id6756519079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Life free?

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

### Is Nook free?

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

### Do Life or Nook have ads?

Neither Life nor Nook shows ads.

### Which is updated more often, Life or Nook?

Life ships an update every 3 weeks, and Nook every 2 weeks. Most recently, Life was updated on October 31, 2026 and Nook on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*