# Siege VMS vs Athlete Tracker

The clearest difference is update cadence: Athlete Tracker at fortnightly against Siege VMS's every 13 months. Siege VMS's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Siege VMS ships an update every 13 months, Athlete Tracker fortnightly. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Siege VMS | Athlete Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 36 MB | 34 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Siege DNA Pty Ltd](https://appshunter.io/developer/1489086466) | [Iceberg Content Management Systems Pty Ltd](https://appshunter.io/developer/1787748228) |

## What reviewers say

### Siege VMS

[App page](https://appshunter.io/ios/app/siege-vms/id1555837125)

**Features:** macOS Compatibility

**In-app purchases:** none


### Athlete Tracker

[App page](https://appshunter.io/ios/app/athlete-tracker/id6740310544)

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

**In-app purchases:** none


## Frequently asked questions

### Is Siege VMS free?

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

### Is Athlete Tracker free?

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

### Do Siege VMS or Athlete Tracker have ads?

Neither Siege VMS nor Athlete Tracker shows ads.

### Which is updated more often, Siege VMS or Athlete Tracker?

Siege VMS ships an update every 13 months, and Athlete Tracker fortnightly. Most recently, Siege VMS was updated on September 17, 2026 and Athlete Tracker on September 18, 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.*