Comparison

Photo/Message Lock vs DDLock

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

Head to head
About

Photo/Message Lock

Securely store private photos, videos, and messages in a personal cloud vault. Protect your sensitive data with multi-factor authentication and biometric unlock options. Easily import chats from popular messaging apps.

Highlights
  • Multi-factor authentication
  • Cloud storage for private data
  • Import chats from WhatsApp and Line
  • Biometric unlock (TouchID, FaceID)
  • Optional cloud syncing
  • Password recovery via multi-factor authentication
Features
Read full description

Have messages, photos or videos that are so private you want to keep on a separate safe cloud only you could access? This app is for you! The only app that enables multi-factor authentication to access your cloud stored private data! Easily backup your popular application's messages (including videos, photos etc) in the cloud securely and safely. Currently fully support importing chats from WhatsApp and Line. Other chats, photos & videos could be imported manually. Make any of your conversation, photos or videos private easily and keep those behind a lock only you have access to. You can unlock your saved chats, photos or videos using TouchID, FaceID or a passcode (depend on your device capability) Store all your private conversations, photos and videos on a secure cloud which could be unlocked by you only. Syncing your data with our cloud and login is optional. If you decide to store your data in our cloud and you forget your password you can restore it by multiple factor authentications so you would have access to this private data always. To have access to the cloud data you would need to have access to the email and phone number you have provided. Important: The app doesn't add a lock to the original app, it is used to store your sensitive data and chats in a safe cloud. It is your responsibility to delete those chats from the original device. ----------------------------------- Information about the auto-renewable nature of the subscription - If you want to use our service, we offer you cloud archiving service. With subscribing you will get 10GB cloud disk space. - Subscription period is monthly or yearly. Every month or year your subscription renews. - Prices for subscriptions depends on which package you choose and will be seen in payment screen. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. - You can cancel your subscription via this url: https://support.apple.com/en-us/HT202039 - Privacy policy: http://privacy.safecloudapp.com - Term of use: http://tos.safecloudapp.com - Subscription Information : http://subscription.safecloudapp.com ----------------------------------- DISCLAIMER Unofficial Product. Any product names, logos, brands, and other trademarks or images featured or referred to within this app are the property of their respective trademark holders. Any of these trademark holders are not affiliated with us, our products, or our apps. They do not sponsor or endorse this app or any of our online products. Get updates also on our Facebook page: https://www.facebook.com/SafeCloudApp

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
Read full description

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

Photo/Message Lock4 screens
DDLock3 screens

Verdict

The call

The clearest difference is rating: Photo/Message Lock at 4.4 against DDLock's 2.9. Photo/Message Lock also leads on review sentiment (43% vs 20%) and update cadence (monthly vs every 4 months). DDLock's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 15.0). On price, ads and device support 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. Photo/Message Lock sells 2 in-app purchases, starting at $9.99 per month. DDLock asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Photo/Message Lock holds the better App Store score, 4.4 against 2.9. That said, the two scores are not equally well evidenced: Photo/Message Lock has 787 ratings behind it against 99, so its average is the more settled of the two. Written reviews point the same way: 43% of Photo/Message Lock's written reviews are positive against 20% of DDLock's.

UpkeepUpdate frequency

Photo/Message Lock ships an update monthly, DDLock every 4 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard7 real differences · 3 level
Photo/Message Lock versus DDLock: the parameters behind the verdict, then further details
ParameterPhoto/Message LockDDLock
PriceFreeFree
Rating4.4 (787 ratings) — better2.9 (99 ratings)
Positive reviews43.2% of reviews — better20.0% of reviews
Number of ratings787 — better99
Update frequencyMonthly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.013.0 — better
Further details — not scored
Size54 MB407 MB
Age rating4+4+
DeveloperShesek LLCShenzhen Kaadas Intelligent Technology Co.,Ltd

Customer experience

Photo/Message Lock

All ratings787 ratings
Positive84.5%
Neutral5.5%
Negative10.0%
Written reviews44 reviews
Positive43.2%
Neutral6.8%
Negative50.0%

DDLock

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

Bugs and requests

Photo/Message Lock

Reported bugs

3 issues
  • App crashes on launch
  • Data loss issues
  • Subscription management problems

Requested features

2 requests
  • Expand chat app support beyond WhatsApp
  • Add password recovery option

DDLock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Photo/Message Lock

Subscriptions2
  • Premium Subscription7 Days trial$9.991 Month
  • Premium subscription7 Days trial$59.991 Year
None

DDLock

No in-app purchases

Questions

Is Photo/Message Lock free?
Photo/Message Lock is free to download, with in-app purchases available.
Is DDLock free?
DDLock is free to download, with no in-app purchases.
Which has better reviews, Photo/Message Lock or DDLock?
Photo/Message Lock is rated higher. Photo/Message Lock averages 4.4 out of 5 from 787 ratings, while DDLock averages 2.9 from 99 ratings.
Do Photo/Message Lock or DDLock have ads?
Neither Photo/Message Lock nor DDLock shows ads.
Which is updated more often, Photo/Message Lock or DDLock?
Photo/Message Lock ships an update monthly, and DDLock every 4 months. Most recently, Photo/Message Lock was updated on September 23, 2026 and DDLock on September 20, 2026.

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