# Imperial Measuring App vs Hylios

The clearest difference is update cadence: Hylios at every 2 weeks against Imperial Measuring App's every 5 months. Imperial Measuring App's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, 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.

Imperial Measuring App ships an update every 5 months, Hylios every 2 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Imperial Measuring App | Hylios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 19 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Fisherlea Systems](https://appshunter.io/developer/527179203) | [Binary Bros LLC](https://appshunter.io/developer/821142623) |

## What reviewers say

### Imperial Measuring App

[App page](https://appshunter.io/ios/app/imperial-measuring-app/id939806951)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hylios

[App page](https://appshunter.io/ios/app/hylios/id6474466548)

**In-app purchases:** none


## Frequently asked questions

### Is Imperial Measuring App free?

Imperial Measuring App is free to download, with no in-app purchases.

### Is Hylios free?

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

### Do Imperial Measuring App or Hylios have ads?

Neither Imperial Measuring App nor Hylios shows ads.

### Which is updated more often, Imperial Measuring App or Hylios?

Imperial Measuring App ships an update every 5 months, and Hylios every 2 weeks. Most recently, Imperial Measuring App was updated on November 1, 2026 and Hylios on October 30, 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.*