TTLock vs DMSS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TTLock
Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.
- Unlock doors via Bluetooth
- Requires compatible hardware
- In-app support contact
- Phone-based access control
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TTLock is used to open the door via bluetooth with your phone. To do this, APP should cowork with specific hardware. You can contact with us in the APP, if there is any question.
DMSS
Monitor your home or business security with real-time live video feeds and playback. Receive instant notifications for triggered alarms and manage access control. Share device access with family and utilize visual intercom features.
- Real-time live video streaming
- Video playback by date and event
- Instant alarm notifications
- Device sharing with permissions
- Alarm hub for various sensors
- Visual intercom with remote unlock
- Access control status and history
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The DMSS app can enhance your security management efficiency. You can watch real-time surveillance videos and play them back anytime, anywhere, via Wi-Fi or cellular networks. If a device alarm is triggered, DMSS will immediately push an instant notification to you. DMSS offers： 1. Real-time Live View： You can view real-time surveillance videos from the added devices anytime, anywhere, to help you better monitor the safety of your home environment. 2. Video Playback： You can quickly find the events you care about by date and event category, and playback the required historical video footage. 3. Instant Alarm Notifications： You can subscribe to different alarm events according to your needs. When an event is triggered, you will immediately receive the message notification. 4. Device Sharing You can share the device with family members for shared use and assign them different usage permissions. 5. Alarm Hub You can add a variety of peripheral accessories to the alarm hub to provide warnings for potential theft, intrusion, fire, water damage, and other situations. In case of an unforeseen event, DMSS can immediately activate alarms and send out danger notifications. 6. Visual Intercom You can add visual intercom devices to engage in video calls between the device and the DMSS, as well as perform functions like locking and unlocking. 7. Access Control You can add access control devices to check the current status of doors and view unlock records, as well as perform remote unlocking operations on the doors.
Screenshots
Verdict
The clearest difference is review sentiment: DMSS at 89% against TTLock's 25%. DMSS also leads on rating (4.8 vs 2.8) and ads (none vs shown). TTLock's advantage is in-app purchases (none vs 12) and device support (4 vs 2). On price, update cadence and iOS requirement 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. DMSS sells 12 one-off in-app purchases. TTLock asks for nothing beyond the download.
DMSS holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: DMSS has 79K ratings behind it against 523, so its average is the more settled of the two. Written reviews point the same way: 25% of TTLock's written reviews are positive against 89% of DMSS's.
TTLock ships an update every 3 weeks, DMSS every 10 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | TTLock | DMSS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (523 ratings) | 4.8 (79K ratings) — better |
| Positive reviews | 25.4% of reviews | 89.0% of reviews — better |
| Number of ratings | 523 | 79K — better |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Best chart rank | — | #138 — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 408 MB | 470 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Sciener Smart Technology | DongBin |
Customer experience
TTLock
DMSS
User reviews
TTLock
From 523 App Store ratingsWhat we love
- 🚀 Works well
- 👍 Easy to use
- 💡 Lots of features
- 🔒 Secure access
- 🤖 Integrates with Alexa
Room to improve
- 🐛 Connectivity issues
- 🔋 Battery drain problems
- 🤯 Confusing instructions
- 🤖 Alexa integration not reliable
- 🤔 Can't see lock status
DMSS
From 79K App Store ratingsWhat we love
- 🚀 Excellent app for security camera monitoring
- 👍 Intuitive and easy to use interface
- 🔒 Real-time alerts and ability to view cameras anytime
- 🔍 Top-notch image quality and streaming speed
- 👍 User-friendly and reliable system
Room to improve
- 🐛 Occasional connection issues and app crashes
- 🐛 Playback functionality can be unreliable or difficult to use
- 🐛 Notifications and alarm settings can be inconsistent
- 🐛 Time/date display issues, especially with daylight savings
- 🐛 Difficulty finding and reviewing specific recorded events
Bugs and requests
TTLock
Reported bugs
5 issues- App crashes after updates
- Can't delete old locks from app
- Fingerprint scanner not working
- Remote unlock not functioning
- Passcode changes not syncing
Requested features
5 requests- Show lock/unlock status in app
- Add proximity unlock feature
- Improve Alexa integration
- Allow minute-level passcode scheduling
- Provide better customer support
DMSS
Reported bugs
4 issues- Inconsistent connection and playback issues
- Notifications not working as expected
- Time/date display problems
- Crashes and freezes when using certain features
Requested features
5 requests- Ability to turn cameras on/off individually within the app
- Faster forward/rewind options for playback
- Custom notification sounds
- More flexible scheduling and notification settings
- Improved integration with other smart home/security devices
In-app purchases
TTLock
No in-app purchases
DMSS
- 90-Day 4G Data Plan$0.69
- 180 days unlimited data usage$0.90
- Monthly Basic Plan$3.49
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- Monthly Basic Plan - Dual-lens$6.90
- Monthly Pro Plan$6.99
- Monthly 4G Data Plan$10.00
- Monthly Pro Plan - Dual-lens$13.90
- Annual Basic Plan$34.99
- Annual Basic Plan - Dual-lens$69.90
- Annual Pro Plan$69.99
- Annual 4G Data Plan$90.00
- Annual Pro Plan - Dual-lens$139.00
