# Argus Tracking Check Sheet vs Onsite FM

The clearest difference is update cadence: Onsite FM at every 3 weeks against Argus Tracking Check Sheet's every 2 months. Argus Tracking Check Sheet'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.

Argus Tracking Check Sheet ships an update every 2 months, Onsite FM every 3 weeks. The most recent releases landed on October 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Argus Tracking Check Sheet | Onsite FM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 65 MB | 82 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Argus Tracking Ltd](https://appshunter.io/developer/722634493) | [Onsite FM Pty Ltd](https://appshunter.io/developer/1791863452) |

## What reviewers say

### Argus Tracking Check Sheet

[App page](https://appshunter.io/ios/app/argus-tracking-check-sheet/id1565036776)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onsite FM

[App page](https://appshunter.io/ios/app/onsite-fm/id6742767084)

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

**In-app purchases:** none


## Frequently asked questions

### Is Argus Tracking Check Sheet free?

Argus Tracking Check Sheet is free to download, with no in-app purchases.

### Is Onsite FM free?

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

### Do Argus Tracking Check Sheet or Onsite FM have ads?

Neither Argus Tracking Check Sheet nor Onsite FM shows ads.

### Which is updated more often, Argus Tracking Check Sheet or Onsite FM?

Argus Tracking Check Sheet ships an update every 2 months, and Onsite FM every 3 weeks. Most recently, Argus Tracking Check Sheet was updated on October 20, 2026 and Onsite FM 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.*