Comparison

Hello Doorbell vs Lockin Smart

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

Head to head
About

Hello Doorbell

Monitor your doorway remotely with this application. It offers anti-dismantling features and night vision for enhanced security. Stay connected to your home and know when visitors arrive.

Highlights
  • Remote doorway monitoring
  • Anti-dismantling capabilities
  • Night vision
  • Visitor notifications
  • Home security
Features
Read full description

You can observe your doorway anytime, anywhere and know that your friends are coming to find you. Has anti dismantling and night vision capabilities. Just feel like home! LICENSED APPLICATION END USER LICENSE AGREEMENT (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Lockin Smart

This app simplifies keyless living by allowing you to unlock your door using various biometric methods or passcodes. Remotely manage access, see visitors, and receive important alerts, all while integrating with your smart home ecosystem.

Highlights
  • Keyless entry via face, fingerprint, palm vein, passcode, or phone
  • Remote lock/unlock and visitor management
  • Two-way voice intercom
  • Real-time alerts for events
  • Smart home integration (Matter, Alexa, Google Home)
  • On-device biometric data storage
Features
Read full description

Lockin Smart — Keyless living, made simple. No fumbling for keys. No rushing to the door. Lockin is a smart lock company focused on making everyday entry feel smooth, secure, and effortless — so you can come and go freely and answer the door with confidence, wherever you are. - Walk in without a key Unlock with your face, fingerprint, palm vein, passcode, or phone — no keys needed. Supports one-time, periodic, and duration passcodes, so guests and visitors can get in safely and easily. We’re always working on what’s next, with more advanced unlock options coming in the future. - Answer the door with ease See what’s happening at your door and lock or unlock it remotely with one tap. Two-way voice intercom lets you talk to visitors clearly, even when you’re not home. - Know what matters, right away Whether it’s a package at the door or an unlock event, you’ll get the alerts that matter — without constantly checking. - Fits right into your smart home Matter support makes it easy to connect with Alexa, Google Home, and other voice assistants. - Privacy you can feel good about Fingerprints, palm veins, face data, and other biometric information stays stored on the lock itself — never uploaded to the cloud. Questions? Contact us at support@lockin.com.

Screenshots

Hello Doorbell4 screens
Lockin Smart4 screens

Verdict

The call

The clearest difference is in-app purchases: Lockin Smart at none against Hello Doorbell's 1. Lockin Smart also leads on rating (3.2 vs 2.8) and review sentiment (42% vs 25%). Hello Doorbell's advantage is update cadence (every 8 days vs every 3 weeks). On price, ratings volume, 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. Hello Doorbell sells 1 in-app purchase, starting at $2.99 per month. Lockin Smart asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lockin Smart holds the better App Store score, 3.2 against 2.8. Both are backed by a comparable volume of ratings — 13 and 29 respectively. Written reviews point the same way: 25% of Hello Doorbell's written reviews are positive against 42% of Lockin Smart's.

UpkeepUpdate frequency

Hello Doorbell ships an update every 8 days, Lockin Smart every 3 weeks. Both last shipped on November 4, 2026.

Scorecard5 real differences · 5 level
Hello Doorbell versus Lockin Smart: the parameters behind the verdict, then further details
ParameterHello DoorbellLockin Smart
PriceFreeFree
Rating2.8 (13 ratings)3.2 (29 ratings) — better
Positive reviews25.0% of reviews41.7% of reviews — better
Number of ratings1329 — better
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size109 MB286 MB
Age rating4+4+
DeveloperDORA PRO LIMITEDLOCKIN (U.S.) INC.

Customer experience

Hello Doorbell

All ratings13 ratings
Positive46.2%
Neutral0.0%
Negative53.8%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

Lockin Smart

All ratings29 ratings
Positive48.3%
Neutral10.3%
Negative41.4%
Written reviews24 reviews
Positive41.7%
Neutral12.5%
Negative45.8%

In-app purchases

1 purchases

Hello Doorbell

Subscriptions1
  • Monthly Plan$2.991 Month
None

Lockin Smart

No in-app purchases

Questions

Is Hello Doorbell free?
Hello Doorbell is free to download, with in-app purchases available.
Is Lockin Smart free?
Lockin Smart is free to download, with no in-app purchases.
Which has better reviews, Hello Doorbell or Lockin Smart?
Lockin Smart is rated higher. Hello Doorbell averages 2.8 out of 5 from 13 ratings, while Lockin Smart averages 3.2 from 29 ratings.
Do Hello Doorbell or Lockin Smart have ads?
Neither Hello Doorbell nor Lockin Smart shows ads.
Which is updated more often, Hello Doorbell or Lockin Smart?
Hello Doorbell ships an update every 8 days, and Lockin Smart every 3 weeks. Most recently, Hello Doorbell was updated on November 4, 2026 and Lockin Smart on November 4, 2026.

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