# Smart Meter vs ScreenRuler

The clearest difference is ads: Smart Meter at none against ScreenRuler's shown. Smart Meter also leads on update cadence (monthly vs every 7 months) and iOS requirement (11.0 vs 15.1). 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.

Smart Meter ships an update monthly, ScreenRuler every 7 months. The most recent releases landed on October 10, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Smart Meter | ScreenRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (10 ratings)](https://appshunter.io/ios/app/smart-meter-ar/id1377055831/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 14 MB | 31 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Almutairi](https://appshunter.io/developer/1239009742) | [pilyeong heo](https://appshunter.io/developer/1835315150) |

## What reviewers say

### Smart Meter

[App page](https://appshunter.io/ios/app/smart-meter-ar/id1377055831)

This augmented reality app allows you to measure objects and distances using your device's camera. Simply tap to set start and end points to get accurate measurements in meters or inches. Save your measurements and images for future reference.

**Highlights:** Augmented reality measurement, Accurate ruler, Save measurements, Save measurement images, Easy to use interface, Measure in meters and inches

**Features:** macOS Compatibility

**In-app purchases:** none


### ScreenRuler

[App page](https://appshunter.io/ios/app/screenruler-measure-length/id6761749448)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Meter free?

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

### Is ScreenRuler free?

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

### Do Smart Meter or ScreenRuler have ads?

ScreenRuler shows ads; Smart Meter does not.

### Which is updated more often, Smart Meter or ScreenRuler?

Smart Meter ships an update monthly, and ScreenRuler every 7 months. Most recently, Smart Meter was updated on October 10, 2026 and ScreenRuler on October 28, 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.*