# TTLock vs DingDong

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.

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.

## The numbers

| Metric | TTLock | DingDong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (523 ratings)](https://appshunter.io/ios/app/ttlock/id1033046018/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/dingdong/id1225148018/reviews) |
| Number of ratings | **523** | 1 |
| Positive reviews | 25.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 408 MB | 45 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [GD Digital Limited](https://appshunter.io/developer/911685497) |

## What reviewers say

### TTLock

[App page](https://appshunter.io/ios/app/ttlock/id1033046018)

Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.

**Highlights:** Unlock doors via Bluetooth, Requires compatible hardware, In-app support contact, Phone-based access control

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well
- 👍 Easy to use
- 💡 Lots of features
- 🔒 Secure access
- 🤖 Integrates with Alexa

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain problems
- 🤯 Confusing instructions
- 🤖 Alexa integration not reliable
- 🤔 Can't see lock status

**Reported bugs**

- 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**

- Show lock/unlock status in app
- Add proximity unlock feature
- Improve Alexa integration
- Allow minute-level passcode scheduling
- Provide better customer support


### DingDong

[App page](https://appshunter.io/ios/app/dingdong/id1225148018)

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.

**Highlights:** Remote visitor monitoring, Real-time video and voice calls, Push notifications for visitors, Smart doorbell integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TTLock free?

TTLock is free to download, with no in-app purchases.

### Is DingDong free?

DingDong is free to download, with no in-app purchases.

### Which has better reviews, TTLock or DingDong?

TTLock is rated higher. TTLock averages 2.8 out of 5 from 523 ratings, while DingDong averages 2.0 from 1 ratings.

### Do TTLock or DingDong have ads?

TTLock shows ads; DingDong does not.

### Which is updated more often, TTLock or DingDong?

TTLock ships an update every 3 weeks, and DingDong monthly. Most recently, TTLock was updated on October 12, 2026 and DingDong on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*