# Oxygen Digital Tracking System vs CMS Cargo Tracking

The clearest difference is update cadence: Oxygen Digital Tracking System at weekly against CMS Cargo Tracking's every 4 months. 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.

Oxygen Digital Tracking System ships an update weekly, CMS Cargo Tracking every 4 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Oxygen Digital Tracking System | CMS Cargo Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Size | 36 MB | 44 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Cargo Exchange India Private Limited](https://appshunter.io/developer/1459830875) | [Tom Stiffler](https://appshunter.io/developer/659961213) |

## What reviewers say

### Oxygen Digital Tracking System

[App page](https://appshunter.io/ios/app/oxygen-digital-tracking-system/id1566720171)

**Features:** macOS Compatibility

**In-app purchases:** none


### CMS Cargo Tracking

[App page](https://appshunter.io/ios/app/cms-cargo-tracking/id6461600643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oxygen Digital Tracking System free?

Oxygen Digital Tracking System is free to download, with no in-app purchases.

### Is CMS Cargo Tracking free?

CMS Cargo Tracking is free to download, with no in-app purchases.

### Do Oxygen Digital Tracking System or CMS Cargo Tracking have ads?

Neither Oxygen Digital Tracking System nor CMS Cargo Tracking shows ads.

### Which is updated more often, Oxygen Digital Tracking System or CMS Cargo Tracking?

Oxygen Digital Tracking System ships an update weekly, and CMS Cargo Tracking every 4 months. Most recently, Oxygen Digital Tracking System was updated on October 8, 2026 and CMS Cargo Tracking on October 2, 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.*