TTLock vs DingDong
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.
DingDong
This smart doorbell app allows you to see and speak with visitors remotely. Receive instant notifications when someone rings the bell, enabling real-time video and voice communication from anywhere.
- Remote visitor monitoring
- Real-time video and voice calls
- Push notifications for visitors
- Smart doorbell integration
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DingDong是一款智能门铃，，语音对讲。无论在家还是出差可以随时知道来访者。当有人按下门铃时，APP会接收到消息推送，提示用户有人来访，实时视频语音对讲。
Screenshots
Verdict
The clearest difference is rating: TTLock at 2.8 against DingDong's 2.0. TTLock also leads on ratings volume (523 vs 1) and device support (4 vs 2). DingDong's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TTLock holds the better App Store score, 2.8 against 2.0. That said, the two scores are not equally well evidenced: TTLock has 523 ratings behind it against 1, so its average is the more settled of the two.
TTLock ships an update every 3 weeks, DingDong monthly. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.
| Parameter | TTLock | DingDong |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (523 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 25.4% of reviews | — |
| Number of ratings | 523 — better | 1 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 408 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Sciener Smart Technology | GD Digital Limited |
Customer experience
TTLock
DingDong
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
DingDong
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TTLock
No in-app purchases
DingDong
No in-app purchases
