# iMeter Reader vs Unit Converter & Measure

The clearest difference is ads: iMeter Reader at none against Unit Converter & Measure's shown. iMeter Reader also leads on iOS requirement (15.0 vs 17.6). Unit Converter & Measure's advantage is update cadence (every 2 days vs every 6 days). 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.

iMeter Reader ships an update every 6 days, Unit Converter & Measure every 2 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | iMeter Reader | Unit Converter & Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-and-measure/id6782824260/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 121 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Ahmad AlAlloush](https://appshunter.io/developer/1851833496) | [Alper Sumer Guc](https://appshunter.io/developer/1896672915) |

## What reviewers say

### iMeter Reader

[App page](https://appshunter.io/ios/app/imeter-reader-meter-tracker/id6759241901)

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

**In-app purchases:** none


### Unit Converter & Measure

[App page](https://appshunter.io/ios/app/unit-converter-and-measure/id6782824260)

Instantly convert everyday units, world currencies, and cryptocurrencies with this fast, private, and offline-capable tool. It supports over 300 units across 28 categories and offers a clean interface with customizable options.

**Highlights:** Live currency and crypto conversion, 300+ units in 28 categories, Offline conversion with last saved rates, Type math directly into the converter, Favorites and history, Siri Shortcuts & Spotlight integration, Customizable design with themes

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

**In-app purchases:** none


## Frequently asked questions

### Is iMeter Reader free?

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

### Is Unit Converter & Measure free?

Unit Converter & Measure is free to download, with no in-app purchases.

### Do iMeter Reader or Unit Converter & Measure have ads?

Unit Converter & Measure shows ads; iMeter Reader does not.

### Which is updated more often, iMeter Reader or Unit Converter & Measure?

iMeter Reader ships an update every 6 days, and Unit Converter & Measure every 2 days. Most recently, iMeter Reader was updated on September 21, 2026 and Unit Converter & Measure on September 21, 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.*