Comparison

LAVNA Smart Locks vs Zengchat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

LAVNA Smart Locks

Control and configure your smart lock using Bluetooth for keyless entry. Enjoy the convenience of managing access directly from your device.

Highlights
  • Keyless convenience
  • Bluetooth smart lock access
  • Configure smart lock settings
  • Access smart lock remotely
Features
Read full description

Give you keyless convenience and the ability to configure and access your smart lock via Bluetooth.

About

Zengchat

Features
Read full description

**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

LAVNA Smart Locks3 screens
Zengchat4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level
LAVNA Smart Locks versus Zengchat: the parameters behind the verdict, then further details
ParameterLAVNA Smart LocksZengchat
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 13 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size156 MB25 MB
Age rating4+4+
DeveloperBhagwn Shri Locks Private LimitedInderjeet Kumar

In-app purchases

None

LAVNA Smart Locks

No in-app purchases

None

Zengchat

No in-app purchases

Questions

Is LAVNA Smart Locks free?
LAVNA Smart Locks is free to download, with no in-app purchases.
Is Zengchat free?
Zengchat is free to download, with no in-app purchases.
Do LAVNA Smart Locks or Zengchat have ads?
Neither LAVNA Smart Locks nor Zengchat shows ads.
Which is updated more often, LAVNA Smart Locks or Zengchat?
LAVNA Smart Locks ships an update every 13 months, and Zengchat every 9 days. Most recently, LAVNA Smart Locks was updated on October 4, 2026 and Zengchat on October 14, 2026.

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