DDLock vs ROPVACNIC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
ROPVACNIC
Control your robot vacuum with customizable cleaning modes and scheduling. Monitor cleaning status, battery life, and consumables remotely. Easily start, recharge, or locate your device with simple controls.
- Customizable cleaning modes
- One-key start/recharge
- Remote monitoring of status
- Scheduled cleaning
- Robot locator function
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1.Set different cleaning modes to meet your specific cleaning needs. 2.One key to start or recharge, and even PIN and Go, so you can control as you wish. 3. See the cleaning status, cleaning time, remaining power, consumables life and even find the robot, so you can better know your robot anytime, anywhere. 4. Schedule cleaning time to automatically complete cleaning tasks even when you are not at home.
Screenshots
Verdict
The clearest difference is update cadence: DDLock at every 4 months against ROPVACNIC's every 21 months. DDLock also leads on rating (2.9 vs 2.6). On price, review sentiment, ratings volume and ads 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 — 99 and 52 respectively. Written reviews complicate that: 20% of DDLock's written reviews are positive against 26% of ROPVACNIC's, so the app with the better star average is not the one people write more warmly about.
DDLock ships an update every 4 months, ROPVACNIC every 21 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.
| Parameter | DDLock | ROPVACNIC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (99 ratings) — better | 2.6 (52 ratings) |
| Positive reviews | 20.0% of reviews | 25.8% of reviews — better |
| Number of ratings | 99 — better | 52 |
| Update frequency | Every 4 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 407 MB | 230 MB |
| Age rating | 4+ | 12+ |
| Developer | Shenzhen Kaadas Intelligent Technology Co.,Ltd | Foshan Hongxiaoqiang Commerce and Trade Co., Ltd. |
Customer experience
DDLock
ROPVACNIC
In-app purchases
DDLock
No in-app purchases
ROPVACNIC
No in-app purchases








