LAVNA Smart Locks vs Zengchat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LAVNA Smart Locks
Control and configure your smart lock using Bluetooth for keyless entry. Enjoy the convenience of managing access directly from your device.
- Keyless convenience
- Bluetooth smart lock access
- Configure smart lock settings
- Access smart lock remotely
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Give you keyless convenience and the ability to configure and access your smart lock via Bluetooth.
Zengchat
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**Zengchat helps you discover and chat with nearby people on the same Wi-Fi network.** Connect instantly with nearby users, start private one-to-one conversations, share messages and media, and stay notified when someone wants to chat. WiChat is designed for simple local discovery, fast conversations, and a clean chat experience. **Features** - Discover nearby online Wi-Fi users - Start one-to-one chats quickly - Send text, photos, videos, documents, and contact attachments - Receive chat requests and message notifications - Invite recent chat contacts when you’re online - Block or report users when needed - Customize appearance, language, and notification preferences - Share content into WiChat using the iOS share extension - End-to-end encrypted chat messages WiChat keeps nearby communication lightweight, direct, and easy to use. Whether you’re at home, work, school, or another shared network, WiChat makes it simple to find and message people around you.
Screenshots
Verdict
The clearest difference is update cadence: Zengchat at every 9 days against LAVNA Smart Locks's every 13 months. LAVNA Smart Locks's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LAVNA Smart Locks ships an update every 13 months, Zengchat every 9 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.
| Parameter | LAVNA Smart Locks | Zengchat |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 13 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 156 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Bhagwn Shri Locks Private Limited | Inderjeet Kumar |
In-app purchases
LAVNA Smart Locks
No in-app purchases
Zengchat
No in-app purchases









