Billconch vs DDLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Billconch
Connect to your company's fingerprint lock via BLE for keyless unlocking, device name changes, and fingerprint management. View unlock records and modify passwords directly from your phone.
- BLE connection
- One-key unlocking
- Device name management
- Fingerprint management
- Unlock record viewing
- Password modification
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This APP mainly communicates with our company's password fingerprint lock through BLE, realizes the functions of connecting on the mobile phone, unlocking with one key, changing device name, fingerprint management, unlocking record viewing, managing password modification and connecting password modification.
DDLock
Unlock your doors using your smartphone, eliminating the need for physical keys. This app offers a more convenient and modern way to manage access to your locks.
- Unlock with smartphone
- Eliminates physical keys
- Convenient lock access
- Modern security solution
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Using the mobile phone to unlock the lock reduces the inconvenience of the user passing the entity key, and makes the lock more and more convenient to use
Screenshots
Verdict
The clearest difference is update cadence: Billconch at every 11 days against DDLock's every 4 months. Billconch also leads on review sentiment (33% vs 20%). DDLock's advantage is rating (2.9 vs 2.6). On price, ratings volume, ads 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.
DDLock holds the better App Store score, 2.9 against 2.6. Both are backed by a comparable volume of ratings — 97 and 99 respectively. Written reviews complicate that: 33% of Billconch's written reviews are positive against 20% of DDLock's, so the app with the better star average is not the one people write more warmly about.
Billconch ships an update every 11 days, DDLock every 4 months. The most recent releases landed on September 1, 2026 and September 20, 2026 respectively.
| Parameter | Billconch | DDLock |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (97 ratings) | 2.9 (99 ratings) — better |
| Positive reviews | 32.8% of reviews — better | 20.0% of reviews |
| Number of ratings | 97 | 99 — better |
| Update frequency | Every 11 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 4 MB | 407 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen YiLuo Technology. Co.Ltd | Shenzhen Kaadas Intelligent Technology Co.,Ltd |
Customer experience
Billconch
DDLock
Bugs and requests
Billconch
Reported bugs
41 issues- App repeatedly asks for admin password
- App loses Bluetooth connection
- App disappears from Bluetooth list
- Full system reset required to fix connection
- App crashes during pairing
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- App does not work with iOS 18.1.1
- App blank on newer iOS versions
- App does not connect unless safe is first unlocked manually
- App loses connection when phone is not home
- App does not connect to Bluetooth unless safe is 'woken up'
- Bluetooth signal is weak
- App asks for password over and over
- Admin password prompt repeats endlessly
- App doesn't work with older Apple software versions
- App doesn't work after initial setup
- App crashes
- App has blank screens
- App doesn't connect to Bluetooth unless safe is touched first
- App loses Bluetooth connection when safe goes to sleep
- App requires manual unlock before Bluetooth connection
- App connection is faulty
- App doesn't work properly
- App instructions are unclear
- App is confusing
- App doesn't work
- App connection issues
- App searches continuously
- App prompts repeatedly for password
- App doesn't connect
- App doesn't behave as instructed
- App asks for password repeatedly
- App doesn't work
- App is flawed
- App doesn't work
- App connection issues
- App searches continuously
- App prompts repeatedly for password
- App doesn't connect
- App doesn't behave as instructed
- App asks for password repeatedly
- App doesn't work
Requested features
11 requests- Add facial recognition for app unlock
- Add app passcode or Face ID
- Add notifications for safe tampering
- Add notifications for low battery
- Add ability to close safe remotely
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- Add Face ID to app before unlocking
- Add alerts when safe is opened
- Add ability to silence sounds
- Add Face ID to app
- Add app password protection
- Add WiFi version for remote updates
DDLock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Billconch
No in-app purchases
DDLock
No in-app purchases
