My Windsor vs Shadow Immobiliser
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
My Windsor
Manage your business phone number from your mobile device. Easily change call routing, set up office hours, and view call statistics. Listen to voicemails and view faxes on the go.
- Control call routing
- Set office hours
- View call statistics
- Listen to voicemails
- View received faxes
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Control your inbound calls via your mobile device. At the touch of a button, change where you receive calls made to your Windsor (01, 02, 03 or 08) phone number. Set up and amend call plans e.g. where calls route during office hours and out of hours. View call statistics, missed and engaged calls. Great for managing calls whilst on the move, or for emergency call diverts in a Disaster Recovery situation. You can also listen to voicemails and view received faxes on the move. Service available to existing Windsor Telecom customers only.
Shadow Immobiliser
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The Shadow Immobiliser is the UK's first connected immobiliser, allowing you to secure your vehicle with innovative and reliable technology. The system works by automatically immobilising your vehicle when your ignition is switched off. Once installed in your vehicle, you can operate through the presence of our unique Driver Detection Key Cards or via this app. Key features of the app include: * Set up secure key control for multiple vehicles. * Override for timed periods for when you have your vehicle in for service or repair. * Set a schedule so your vehicle is protected by Shadow Immobiliser at your convenience. * See your Key Card battery levels so you know when to recharge. Please note you need Shadow Immobiliser installed in your vehicle before using this app. Please contact us via our website for fitting options.
Screenshots
Verdict
The clearest difference is update cadence: Shadow Immobiliser at every 4 months against My Windsor's every 32 months. My Windsor's advantage is iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
My Windsor ships an update every 32 months, Shadow Immobiliser every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | My Windsor | Shadow Immobiliser |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | β |
| Update frequency | Every 32 months | Every 4 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | β |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 9.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 5 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Windsor Telecom plc | Global Telemetrics Limited |
In-app purchases
My Windsor
No in-app purchases
Shadow Immobiliser
No in-app purchases
Questions
Is My Windsor free?
Is Shadow Immobiliser free?
Do My Windsor or Shadow Immobiliser have ads?
Which is updated more often, My Windsor or Shadow Immobiliser?
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