# Smart.Lock vs Big G plus

The clearest difference is device support: Big G plus at 4 against Smart.Lock's 2. Smart.Lock's advantage is iOS requirement (11.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Smart.Lock against 5.0 for Big G plus. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Smart.Lock ships an update weekly, Big G plus every 9 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Smart.Lock | Big G plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/smartlock/id6469687048/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/big-g-plus/id6811853709/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free | Free |
| Size | 58 MB | 29 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Vannak Seng](https://appshunter.io/developer/1676953357) | [佩 董](https://appshunter.io/developer/1760264449) |

## What reviewers say

### Smart.Lock

[App page](https://appshunter.io/ios/app/smartlock/id6469687048)

Control and monitor door access remotely with this IoT application. It offers convenience, security, and a robust system for tracking attendance and access history, suitable for various environments.

**Highlights:** Remote door access control, Real-time monitoring, Attendance tracking, Access history log, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Big G plus

[App page](https://appshunter.io/ios/app/big-g-plus/id6811853709)

Monitor grow room environments in real-time, receive critical alerts before issues arise, and leverage an AI assistant trained in cultivation. Manage multiple rooms, invite team members, and sync data with your grow-room controllers.

**Highlights:** Real-time environmental monitoring (temp, humidity, CO2, PPFD, VPD), Customizable alerts for out-of-range values, AI assistant for cultivation advice, Team collaboration with read-only access, Grow room status visualization, Data export and history charts

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart.Lock free?

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

### Is Big G plus free?

Big G plus is free to download, with no in-app purchases.

### Which has better reviews, Smart.Lock or Big G plus?

Smart.Lock and Big G plus are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Smart.Lock or Big G plus have ads?

Neither Smart.Lock nor Big G plus shows ads.

### Which is updated more often, Smart.Lock or Big G plus?

Smart.Lock ships an update weekly, and Big G plus every 9 days. Most recently, Smart.Lock was updated on November 3, 2026 and Big G plus on November 6, 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.*