Comparison

CT vs Door James

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CT

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
Read full description

CT-UserView – all mobile network information at a glance This app helps you monitor the monthly costs and usage of your business mobile phone contracts in an easy way. It allows you to transparently control billing data and billing services of the specific mobile network provider in several reports. Essential information always at a glance: _ DASHBOARD An overview of all telephone numbers and fees incurred for the current month, as well as a total cost overview. COST DETAILS Breakdown of costs by individual items. USAGE DETAILS If authorised: Access to your usage data per month and phone number. CONTRACT INFO Check all existing contracts, their options and information in a quick overview. _ NOTE The app is intended for users with a mobile phone contract provided by their employing company only. It is required that the company has ordered the use of the CT services of DATANET GmbH. To use the app, an Internet connection is required. If you have any problems or ideas for further improvement, please submit them via e-mail to ct-userview@datanet.de.

About

Door James

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
Read full description

Welcome to Door James — office management in your pocket. Door James helps employees plan better office days while giving organizations the insights they need to use space smarter, reduce costs, and support more sustainable hybrid work. PLAN, BOOK, AND CHECK IN Book desks, meeting rooms, parking spaces, and other workplace resources in just a few taps. View multiple resource types in one interactive map, use smart suggestions to speed up booking, and check in manually, by QR code, or automatically where enabled. CONNECT PEOPLE AND SPACES Find colleagues when location sharing is enabled, coordinate team days more easily, and make office time more valuable. With Door James Meet, you can also send invite links that let external guests choose open slots from your calendar. WELCOME VISITORS AND EVENTS Invite guests during the booking flow, manage visitor details, and create smoother arrivals with digital check-in. Door James also supports corporate events, conferences, town halls, and internal gatherings. PERSONALIZE YOUR WORKDAY Customize your dashboard, use quick actions, and create shortcuts to your favorite features and tools. Door James is designed with accessibility in mind, making the workplace experience easier for more users. SUPPORT SMARTER WORKPLACES Report issues, request support, and help workplace teams respond faster. Door James supports better space utilization, lower operating costs, improved collaboration, and more sustainable workplace planning. Features may vary depending on your organization’s settings, location configuration, and enabled modules. Download Door James and make every office day, visit, and workplace event easier to plan and manage.

Screenshots

CT4 screens
Door James4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
CT versus Door James: the parameters behind the verdict, then further details
ParameterCTDoor James
PriceFreeFree
Rating—4.5 (34 ratings) — better
Positive reviews66.7% of reviews — better0.0% of reviews
Number of ratings—34 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS12.0 — better26.2
Further details — not scored
Size41 MB14 MB
Age rating4+4+
DeveloperDATANET GmbHCGI Deutschland B.V. & Co. KG

Customer experience

CT

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Door James

All ratings34 ratings
Positive85.3%
Neutral5.9%
Negative8.8%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

CT

No in-app purchases

None

Door James

No in-app purchases

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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