# VV Smart Lock vs Scentiment 2.0

The clearest difference is review sentiment: VV Smart Lock at 100% against Scentiment 2.0's 7%. VV Smart Lock also leads on rating (5.0 vs 1.5) and device support (3 vs 1). Scentiment 2.0's advantage is update cadence (every 5 days vs every 2 months) and ratings volume (184 vs 25). 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.

VV Smart Lock holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: Scentiment 2.0 has 184 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 100% of VV Smart Lock's written reviews are positive against 7% of Scentiment 2.0's.

VV Smart Lock ships an update every 2 months, Scentiment 2.0 every 5 days. Both last shipped on November 8, 2026.

## The numbers

| Metric | VV Smart Lock | Scentiment 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (25 ratings)](https://appshunter.io/ios/app/vv-smart-lock/id6621211112/reviews)** | [1.5 (184 ratings)](https://appshunter.io/ios/app/scentiment-20/id6752409911/reviews) |
| Number of ratings | 25 | **184** |
| Positive reviews | **100.0% of reviews** | 7.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 406 MB | 98 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zhongshan Kaisen Technology Co.,Ltd](https://appshunter.io/developer/1761972357) | [Scentiment, LLC.](https://appshunter.io/developer/1731773542) |

## What reviewers say

### VV Smart Lock

[App page](https://appshunter.io/ios/app/vv-smart-lock/id6621211112)

Control your door lock using your smartphone. This application allows for convenient management of your smart lock directly from your mobile device.

**Highlights:** Smartphone lock management, Direct device control, Easy access, Smart home integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Scentiment 2.0

[App page](https://appshunter.io/ios/app/scentiment-20/id6752409911)

Control smart scent diffusers remotely to personalize your environment. Explore a curated collection of fragrances, set schedules, and manage device settings to create the perfect ambiance for any mood or occasion.

**Highlights:** Remote diffuser control, Customizable scent schedules, Fragrance collection browsing, In-app fragrance purchasing, Device naming and room assignment, Battery life monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VV Smart Lock free?

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

### Is Scentiment 2.0 free?

Scentiment 2.0 is free to download, with no in-app purchases.

### Which has better reviews, VV Smart Lock or Scentiment 2.0?

VV Smart Lock is rated higher. VV Smart Lock averages 5.0 out of 5 from 25 ratings, while Scentiment 2.0 averages 1.5 from 184 ratings.

### Do VV Smart Lock or Scentiment 2.0 have ads?

Neither VV Smart Lock nor Scentiment 2.0 shows ads.

### Which is updated more often, VV Smart Lock or Scentiment 2.0?

VV Smart Lock ships an update every 2 months, and Scentiment 2.0 every 5 days. Most recently, VV Smart Lock was updated on November 8, 2026 and Scentiment 2.0 on November 8, 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.*