# CT vs Dräger GDC

The clearest difference is update cadence: Dräger GDC at monthly against CT's every 3 months. CT's advantage is iOS requirement (12.0 vs 14.0). 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.

CT ships an update every 3 months, Dräger GDC monthly. The most recent releases landed on July 31, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | CT | Dräger GDC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 41 MB | 15 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DATANET GmbH](https://appshunter.io/developer/1455823939) | [Draegerwerk AG & Co. KGaA](https://appshunter.io/developer/646307986) |

## What reviewers say

### CT

[App page](https://appshunter.io/ios/app/ct-userview/id1455823940)

Monitor business mobile phone contract costs and usage easily. Transparently control billing data and services from your mobile network provider with detailed reports and an overview of all fees.

**Highlights:** Dashboard overview of costs and fees, Detailed cost breakdown, Usage data per phone number, Contract information overview, Monitor monthly expenses

**Features:** macOS Compatibility

**In-app purchases:** none


### Dräger GDC

[App page](https://appshunter.io/ios/app/drager-gdc/id1562815613)

**In-app purchases:** none


## Frequently asked questions

### Is CT free?

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

### Is Dräger GDC free?

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

### Do CT or Dräger GDC have ads?

Neither CT nor Dräger GDC shows ads.

### Which is updated more often, CT or Dräger GDC?

CT ships an update every 3 months, and Dräger GDC monthly. Most recently, CT was updated on July 31, 2026 and Dräger GDC on September 26, 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.*