ADT Smart Services vs Three+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ADT Smart Services
Remotely control and monitor your home security system. Receive instant alerts for security or safety events, and view live video streams from your cameras. Customize scenarios to fit your lifestyle and automate actions like turning on lights.
- Remote alarm control
- Instant security alerts
- Customizable scenarios
- Automated lighting control
- Intelligent motion detection
- Live video streaming
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ADT Smart Services has been developed with state of the art security technologies to ensure that your data privacy is well protected. Which is why ADT can offer you more flexibility, reassurance and complete peace of mind For more information about our ADT Smart Services please visit our website: http://www.adt.co.uk Features include 1. CONTROL 1.1 Security Forgot to set the alarm? Do you worry if the last person to leave remembered to activate the security system? Experience the convenience of being able to remotely set or unset your alarm system from anywhere via your iOS smart phone or tablet. 1.2 Alert Notifications Do you ever worry that something might happen at your home/business while you’re away? ADT will notify you with a Security or Safety alert, when the status of your device changes. For example, when the alarm is activated or the door/window contact is triggered or the smoke detector goes off so you are immediately alerted. 1.3 Scenario’s Would you like a Security System that you can customise to suit your lifestyle and specific security needs? ADT Smart Services provides secure access so you can monitor and manage your security to work for you and your lifestyle needs. i.e. - Define who will receive alerts - Advise you who has entered the front door such as advising elderly parent is home, employee has arrived at your business. - Set up recurring events i.e. set the alarm at the same day/time every week, or set up the housekeeper as a user on their smart phone. 2. AUTOMATE Have to work late again? No problem, use your iOS smart phone or tablet to turn on the lights right before you arrive home or set them to come on automatically to simulate someones presence, even when your property is empty. 3. INTELLIGENT MOTION DETECTION Do you worry about activity in and around your home or business? Now you can be immediately notified to intelligent activity when someone steps onto the perimeter, or within your home or business, with virtually no false alarms and unwanted alert notifications like other Systems. The event is captured on camera and automatically saved to the Cloud. 4. VIEW Do you worry about activity in and around your premises? Use your camera’s to help you stay connected with live video streaming, so you can see what is happening outside or inside your premises. Compatible with Apple devices. IMPORTANT NOTE: THIS APP WILL ONLY BE ACTIVATED UPON PURCHASE AND AFTER INSTALLATION BY AN ADT ENGINEER
Three+
Access exclusive rewards and offers from popular brands, available only to customers. Discover deals on food, entertainment, days out, shopping, and more to enhance your lifestyle.
- Exclusive rewards and offers
- Deals on food and drink
- Entertainment discounts
- Savings on days out
- Shopping promotions
- Wellbeing offers
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Rewards and offers from brands you love, only on Three. Welcome to life with a few extra plusses. Three+ is our new loyalty rewards app exclusive to Three customers. It’s our way of saying thanks and helping you create more meaningful moments. Download now and start exploring an ever-growing list of offers across categories like: - Food and drink - Entertainment - Days out - Wellbeing - Shopping - And more So kickstart a film club with money off at the movies. Treat a friend out to dinner. Or have date night delivered and make it one to remember. Download Three+ today and see how all those extra plusses add up.
Screenshots
Verdict
The clearest difference is ads: ADT Smart Services at none against Three+'s shown. Three+'s advantage is monetization model (free with in-app purchases vs paid) and iOS requirement (12.0 vs 17.0). On price, rating, review sentiment and ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.0 for ADT Smart Services against 4.0 for Three+. Both are backed by a comparable volume of ratings — 21 and 31 respectively. Written reviews are what separate them: 13% of ADT Smart Services's written reviews are positive against 20% of Three+'s.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.
| Parameter | ADT Smart Services | Three+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (21 ratings) | 4.0 (31 ratings) |
| Positive reviews | 13.5% of reviews | 20.3% of reviews — better |
| Number of ratings | 21 | 31 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 390 MB | 63 MB |
| Age rating | 4+ | 17+ |
| Developer | ADT Fire and Security PLC | Hutchison 3G UK Ltd |
Customer experience
ADT Smart Services
Three+
User reviews
ADT Smart Services
From 21 App Store ratingsWhat we love
- 👍 User-friendly interface (when working properly)
- 📱 Remote access to arm/disarm system
- 📹 Camera and doorbell integration
- 🔔 Real-time notifications and alerts
- ⚙️ Automation features like geofencing and schedules
Room to improve
- 🐌 Extremely slow app performance and loading times
- 📹 Doorbell video loads too slowly to catch visitors
- 🔌 Frequent connection and synchronization issues
- 🐛 App crashes and freezes regularly
- 🔐 Unreliable authentication and login problems
Three+
From 31 App Store ratingsWhat we love
- 🚀 Fast app
- 💡 Great rewards
- 👍 Useful discounts
- 🤩 Fantastic app
- 😊 Excellent rewards
Room to improve
- 🐛 Constantly crashes
- 🔑 Difficult to log in
- ⏱️ Slow to load
- 🤯 Buggy and glitchy
- 🙄 Unreliable
Bugs and requests
ADT Smart Services
Reported bugs
18 issues- App takes 5+ minutes to arm/disarm alarm
- Doorbell video fails to load before visitor leaves
- Connection timeouts and frequent disconnections
- Verification codes not arriving for login
- New user codes not syncing with keypad
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- Widget settings not saving (doorbell sensitivity reverts)
- App unable to find new router after broadband change
- Force bypass option selected automatically every time
- Saved video clips inaccessible via app (works on web browser)
- Live video feed connection fails while alerts still work
- App crashes when attempting to set alarm
- Inconsistent sensor open/closed status display
- Rules and schedules not saving properly
- App constantly logs out users
- False motion detection from rain and animals despite settings
- Alarm doesn't trigger despite being armed
- App doesn't update status after panel changes
- Notifications not sent for alarm triggers
Requested features
15 requests- iOS 18 widget support restoration
- Bi-weekly and monthly access scheduling options
- Smaller time increment options (less than 30 minutes)
- Better notification management and filtering
- Apple Home and Matter compatibility
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- CarPlay integration
- Improved multi-user access with role-based permissions
- Time-based automation rules and daily routines
- IFTTT and Shortcuts integration
- Ability to rename sensors and customize device names
- Video call-style doorbell notifications instead of notification stream
- Facial recognition implementation
- Remote system reset capability for power outages
- Improved color night vision for cameras
- Tablet device support
Three+
Reported bugs
4 issues- App crashes frequently
- Login issues and password problems
- Rewards not working as expected
- Slow performance and loading times
Requested features
4 requests- Bring back Cafe Nero rewards
- Expand rewards to more locations
- Improve app stability and reliability
- Make it easier to redeem rewards
In-app purchases
ADT Smart Services
No in-app purchases
Three+
No in-app purchases
Questions
Is ADT Smart Services free?
Is Three+ free?
Which has better reviews, ADT Smart Services or Three+?
Do ADT Smart Services or Three+ have ads?
Which is updated more often, ADT Smart Services or Three+?
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