# CT vs Door James

The clearest difference is review sentiment: CT at 67% against Door James's 0%. CT also leads on iOS requirement (12.0 vs 26.2). 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.

CT ships an update every 3 months, Door James every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CT | Door James |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (34 ratings)](https://appshunter.io/ios/app/door-james/id6444570436/reviews)** |
| Number of ratings | — | **34** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 41 MB | 14 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [DATANET GmbH](https://appshunter.io/developer/1455823939) | [CGI Deutschland B.V. & Co. KG](https://appshunter.io/developer/1616678694) |

## 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


### Door James

[App page](https://appshunter.io/ios/app/door-james/id6444570436)

Streamline office management with this app, allowing employees to plan their workday by booking desks, meeting rooms, and parking. It also provides organizations with insights for smarter space utilization and cost reduction.

**Highlights:** Book desks, meeting rooms, and parking, Interactive map for resource viewing, Find colleagues and coordinate team days, Manage visitor arrivals and events, Personalize dashboard and quick actions, Report issues and request support

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is CT free?

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

### Is Door James free?

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

### Do CT or Door James have ads?

Neither CT nor Door James shows ads.

### Which is updated more often, CT or Door James?

CT ships an update every 3 months, and Door James every 2 months. Most recently, CT was updated on October 24, 2026 and Door James 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.*