# SenseFlow vs Lockin  Smart

The clearest difference is review sentiment: Lockin  Smart at 43% against SenseFlow's 0%. Lockin  Smart also leads on rating (3.2 vs 1.5) and update cadence (fortnightly vs every 3 months). SenseFlow's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Lockin  Smart holds the better App Store score, 3.2 against 1.5. That said, the two scores are not equally well evidenced: Lockin  Smart has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of SenseFlow's written reviews are positive against 43% of Lockin  Smart's.

SenseFlow ships an update every 3 months, Lockin  Smart fortnightly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SenseFlow | Lockin  Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (4 ratings)](https://appshunter.io/ios/app/senseflow/id6587576084/reviews) | **[3.2 (24 ratings)](https://appshunter.io/ios/app/lockin-smart/id6739702442/reviews)** |
| Number of ratings | 4 | **24** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 118 MB | 280 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Sense Source Motion Technology Co.,Ltd](https://appshunter.io/developer/1759995895) | [LOCKIN (U.S.) INC.](https://appshunter.io/developer/1502077789) |

## What reviewers say

### SenseFlow

[App page](https://appshunter.io/ios/app/senseflow/id6587576084)

Control your home fragrance experience with this app. Customize scent intensity, switch between fragrances, and set schedules for automatic diffusion. Enjoy a personalized and refreshing environment with advanced waterless atomization technology.

**Highlights:** Water-free atomization technology, Ultrasonic diffusion, Personalized scent mixing, Customizable scent schedules, Adjustable scent intensity, One-touch fragrance switching

**Features:** macOS Compatibility

**In-app purchases:** none


### Lockin  Smart

[App page](https://appshunter.io/ios/app/lockin-smart/id6739702442)

Manage and monitor your home remotely with smart unlocking, real-time lock dynamics, and two-way voice intercom. Features intelligent detection for people and packages, and integrates with smart home systems like Alexa and Google Home. Your privacy is protected with cloud-free biometric data storage.

**Highlights:** Smart unlocking with multiple key options, One-time and periodic password generation, Remote lock status viewing and control, Two-way voice intercom, Intelligent people and package detection, Matter ecosystem compatibility (Alexa, Google Home), Cloud-free biometric data storage

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SenseFlow free?

SenseFlow is free to download, with no in-app purchases.

### Is Lockin  Smart free?

Lockin  Smart is free to download, with no in-app purchases.

### Which has better reviews, SenseFlow or Lockin  Smart?

Lockin  Smart is rated higher. SenseFlow averages 1.5 out of 5 from 4 ratings, while Lockin  Smart averages 3.2 from 24 ratings.

### Do SenseFlow or Lockin  Smart have ads?

Neither SenseFlow nor Lockin  Smart shows ads.

### Which is updated more often, SenseFlow or Lockin  Smart?

SenseFlow ships an update every 3 months, and Lockin  Smart fortnightly. Most recently, SenseFlow was updated on October 16, 2026 and Lockin  Smart on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*