Comparison

My Windsor vs Shadow Immobiliser

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

Head to head
About

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.

Highlights
  • Control call routing
  • Set office hours
  • View call statistics
  • Listen to voicemails
  • View received faxes
Features
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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.

About

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

My Windsor3 screens
Shadow Immobiliser4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences Β· 6 level
My Windsor versus Shadow Immobiliser: the parameters behind the verdict, then further details
ParameterMy WindsorShadow Immobiliser
PriceFreeFree
Positive reviews66.7% of reviewsβ€”
Update frequencyEvery 32 monthsEvery 4 months β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS9.0 β€” better15.6
Further details β€” not scored
Size5 MB98 MB
Age rating4+4+
DeveloperWindsor Telecom plcGlobal Telemetrics Limited

In-app purchases

None

My Windsor

No in-app purchases

None

Shadow Immobiliser

No in-app purchases

Questions

Is My Windsor free?
My Windsor is free to download, with no in-app purchases.
Is Shadow Immobiliser free?
Shadow Immobiliser is free to download, with no in-app purchases.
Do My Windsor or Shadow Immobiliser have ads?
Neither My Windsor nor Shadow Immobiliser shows ads.
Which is updated more often, My Windsor or Shadow Immobiliser?
My Windsor ships an update every 32 months, and Shadow Immobiliser every 4 months. Most recently, My Windsor was updated on October 7, 2026 and Shadow Immobiliser on October 11, 2026.

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