# ACMetrix vs Sicon Service v21

The clearest difference is iOS requirement: Sicon Service v21 at 10.3 against ACMetrix's 15.0. 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.

ACMetrix ships an update every 2 months, Sicon Service v21 every 6 weeks. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ACMetrix | Sicon Service v21 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 79 MB |
| Requires iOS | 15.0 | **10.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Concepts Online](https://appshunter.io/developer/899993052) | [S I Consultants](https://appshunter.io/developer/1322340055) |

## What reviewers say

### ACMetrix

[App page](https://appshunter.io/ios/app/acmetrix/id1444697857)

This application offers mobile access to the ACMetrix system for on-site operatives and employees. It facilitates interaction with the system directly from a mobile device.

**Highlights:** Mobile interaction with ACMetrix system, Designed for on-site operatives, Supports employees on site, Access to ACMetrix system features

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

**In-app purchases:** none


### Sicon Service v21

[App page](https://appshunter.io/ios/app/sicon-service-v21/id1552583391)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACMetrix free?

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

### Is Sicon Service v21 free?

Sicon Service v21 is free to download, with no in-app purchases.

### Do ACMetrix or Sicon Service v21 have ads?

Neither ACMetrix nor Sicon Service v21 shows ads.

### Which is updated more often, ACMetrix or Sicon Service v21?

ACMetrix ships an update every 2 months, and Sicon Service v21 every 6 weeks. Most recently, ACMetrix was updated on October 24, 2026 and Sicon Service v21 on October 1, 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.*