Smart.Lock vs Big G plus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart.Lock
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.
- Remote door access control
- Real-time monitoring
- Attendance tracking
- Access history log
- User-friendly interface
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Smart.Lock is an IoT application that empowers users to seamlessly control and monitor door access through a user-friendly mobile app. With its advanced features, this app offers not only convenience and security but also a robust attendance and history tracking system, making it an essential tool for homes, schools, offices, and businesses.
Big G plus
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.
- 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
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Big G plus is the companion app for Big G grow-room controllers. See every room at a glance, get alerted before a problem costs you a crop, and ask an AI assistant that actually knows cultivation. MONITOR EVERY ROOM • Live temperature, humidity, CO₂, PPFD and VPD for each room • Colour-coded room status: day, night, alarm, offline • History charts by day, week or month, with CSV export; rotate your phone for a full-width view ALERTS THAT REACH YOU • Set your own thresholds per room and metric • Push notifications on your phone when a value goes out of range • Probe and connection diagnostics, acknowledge alerts and keep a history KEEP YOUR GROW RECORDS • Daily room checks, nutrient and irrigation records, quality-control posts with photos and video • Water-room recipes and warehouse stock, all in one place • Works offline: entries are saved on the phone and uploaded when you are back online ASK THE AI • Built-in assistant trained on cultivation know-how: VPD targets, feeding, lighting, environment • Answers in your language, with sources • Conversation history synced across your devices RUN IT AS A TEAM • Multiple farms, multiple rooms, grouped by growth stage • Invite team members per farm with role-based access • Sign in with Google or Apple, or with email WORKS WITH BIG G CONTROLLERS • Add a controller by scanning its QR code or entering the serial number, name rooms, switch scene modes • Room names sync to the controller screen Big G plus is built for growers who want their environment data in one place and a second opinion when something looks o provided for information; keep independent safety limits on your equipment. Available in English, 中文, ไทย, Deutsch, Español, Français, Português, Русский, Italiano, Nederlands, Polski and Burmes
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Smart.Lock | Big G plus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Weekly — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 58 MB | 29 MB |
| Age rating | 17+ | 17+ |
| Developer | Vannak Seng | 佩 董 |
In-app purchases
Smart.Lock
No in-app purchases
Big G plus
No in-app purchases









