# ACMetrix vs Cowstail

The clearest difference is update cadence: Cowstail at every 6 days against ACMetrix's every 2 months. ACMetrix's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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, Cowstail every 6 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ACMetrix | Cowstail |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 43 MB | 58 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Concepts Online](https://appshunter.io/developer/899993052) | [Cowstail LTD](https://appshunter.io/developer/6804127189) |

## 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


### Cowstail

[App page](https://appshunter.io/ios/app/cowstail-rope-access-admin/id6804127187)

**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 Cowstail free?

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

### Do ACMetrix or Cowstail have ads?

Neither ACMetrix nor Cowstail shows ads.

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

ACMetrix ships an update every 2 months, and Cowstail every 6 days. Most recently, ACMetrix was updated on October 24, 2026 and Cowstail on October 29, 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.*