Comparison

DDLock vs ROPVACNIC

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unlock with smartphone
  • Eliminates physical keys
  • Convenient lock access
  • Modern security solution
Features
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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

About

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.

Highlights
  • Customizable cleaning modes
  • One-key start/recharge
  • Remote monitoring of status
  • Scheduled cleaning
  • Robot locator function
Features
Read full description

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

DDLock3 screens
ROPVACNIC4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
DDLock versus ROPVACNIC: the parameters behind the verdict, then further details
ParameterDDLockROPVACNIC
PriceFreeFree
Rating2.9 (99 ratings) — better2.6 (52 ratings)
Positive reviews20.0% of reviews25.8% of reviews — better
Number of ratings99 — better52
Update frequencyEvery 4 months — betterEvery 21 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS13.0 — better14.0
Further details — not scored
Size407 MB230 MB
Age rating4+12+
DeveloperShenzhen Kaadas Intelligent Technology Co.,LtdFoshan Hongxiaoqiang Commerce and Trade Co., Ltd.

Customer experience

DDLock

All ratings99 ratings
Positive36.4%
Neutral17.2%
Negative46.5%
Written reviews55 reviews
Positive20.0%
Neutral27.3%
Negative52.7%

ROPVACNIC

All ratings52 ratings
Positive36.5%
Neutral3.8%
Negative59.6%
Written reviews31 reviews
Positive25.8%
Neutral9.7%
Negative64.5%

In-app purchases

None

DDLock

No in-app purchases

None

ROPVACNIC

No in-app purchases

Questions

Is DDLock free?
DDLock is free to download, with no in-app purchases.
Is ROPVACNIC free?
ROPVACNIC is free to download, with no in-app purchases.
Which has better reviews, DDLock or ROPVACNIC?
DDLock is rated higher. DDLock averages 2.9 out of 5 from 99 ratings, while ROPVACNIC averages 2.6 from 52 ratings.
Do DDLock or ROPVACNIC have ads?
Neither DDLock nor ROPVACNIC shows ads.
Which is updated more often, DDLock or ROPVACNIC?
DDLock ships an update every 4 months, and ROPVACNIC every 21 months. Most recently, DDLock was updated on October 10, 2026 and ROPVACNIC on October 11, 2026.

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