# AC Lab System vs Fieldmark

The clearest difference is iOS requirement: AC Lab System at 13.4 against Fieldmark's 15.5. 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.

AC Lab System ships an update monthly, Fieldmark every 3 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | AC Lab System | Fieldmark |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 19 MB | 30 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UniLab Pty Ltd](https://appshunter.io/developer/1444830915) | [FAIMS Project](https://appshunter.io/developer/1592632374) |

## What reviewers say

### AC Lab System

[App page](https://appshunter.io/ios/app/ac-lab-system/id1084979585)

Manage and book research equipment, access detailed records, and stay updated on lab news. This application facilitates efficient resource allocation and information dissemination within research environments.

**Highlights:** Schedule and book research equipment, Access and search equipment information, View research records, Receive lab, institute, and supplier news, Get updates on technology, seminars, and products

**Features:** macOS Compatibility

**In-app purchases:** none


### Fieldmark

[App page](https://appshunter.io/ios/app/fieldmark/id1592632372)

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

**In-app purchases:** none


## Frequently asked questions

### Is AC Lab System free?

AC Lab System is free to download, with no in-app purchases.

### Is Fieldmark free?

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

### Do AC Lab System or Fieldmark have ads?

Neither AC Lab System nor Fieldmark shows ads.

### Which is updated more often, AC Lab System or Fieldmark?

AC Lab System ships an update monthly, and Fieldmark every 3 weeks. Most recently, AC Lab System was updated on June 1, 2026 and Fieldmark on September 9, 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.*