# ACMetrix vs Onetrace

The clearest difference is review sentiment: Onetrace at 33% against ACMetrix's 0%. Onetrace also leads on update cadence (every 3 weeks vs every 2 months). ACMetrix's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model 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, Onetrace every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ACMetrix | Onetrace |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 43 MB | 99 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Concepts Online](https://appshunter.io/developer/899993052) | [Onetrace Ltd](https://appshunter.io/developer/1495954488) |

## 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


### Onetrace

[App page](https://appshunter.io/ios/app/onetrace/id6449951451)

This app provides subcontractors with real-time project visibility and workforce management. It streamlines data capture, compliance, and proof of work for on-site operatives and back-office teams. Features include offline capability, digital document signing, and customizable reporting.

**Highlights:** Real-time project visibility, Offline capability, Digital document signing, Proof of work capture, Customizable reporting, Job scheduling, Asset tagging with QR codes

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

**In-app purchases:** none


## Frequently asked questions

### Is ACMetrix free?

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

### Is Onetrace free?

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

### Do ACMetrix or Onetrace have ads?

Neither ACMetrix nor Onetrace shows ads.

### Which is updated more often, ACMetrix or Onetrace?

ACMetrix ships an update every 2 months, and Onetrace every 3 weeks. Most recently, ACMetrix was updated on October 24, 2026 and Onetrace on October 14, 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.*