# LNDU vs BehindYourWall

The clearest difference is in-app purchases: LNDU at none against BehindYourWall's 3. BehindYourWall's advantage is update cadence (every 4 days vs fortnightly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. BehindYourWall sells 3 one-off in-app purchases. LNDU asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LNDU against 5.0 for BehindYourWall. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

LNDU ships an update fortnightly, BehindYourWall every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LNDU | BehindYourWall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lndu/id6477341732/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/behindyourwall/id6791011855/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 615 MB | 63 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Shenzhen Lingdu Auto Electronics Co., Ltd.](https://appshunter.io/developer/1727524224) | [hiresktech LLC](https://appshunter.io/developer/6791011857) |

## What reviewers say

### LNDU

[App page](https://appshunter.io/ios/app/lndu/id6477341732)

Manage and monitor intelligent home devices like door locks, doorbells, and cameras remotely. Enjoy real-time viewing, two-way audio, and secure device sharing with family members. Configure settings and grant authorization easily.

**Highlights:** Intelligent device distribution and access, Remote real-time monitoring, Two-way voice intercom, Device sharing and authorization, Configuration settings

**In-app purchases:** none


### BehindYourWall

[App page](https://appshunter.io/ios/app/behindyourwall/id6791011855)

Document the hidden elements within your home's walls before they are sealed. Capture photos and voice notes of studs, wires, and pipes to create a permanent record. Easily access this information years later to understand what lies behind your finished surfaces.

**Highlights:** Capture photos of wall interiors, Add voice notes for narration, Pair pre- and post-drywall images, Visualize hidden elements, Sync data to personal cloud storage, Offline-first functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 AI X-rays | $4.99 | one-time |
| 50 AI X-rays | $9.99 | one-time |
| Home Record + 50 AI X-rays | $19.99 | one-time |


## Frequently asked questions

### Is LNDU free?

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

### Is BehindYourWall free?

BehindYourWall is free to download, with in-app purchases available.

### Which has better reviews, LNDU or BehindYourWall?

LNDU and BehindYourWall are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do LNDU or BehindYourWall have ads?

Neither LNDU nor BehindYourWall shows ads.

### Which is updated more often, LNDU or BehindYourWall?

LNDU ships an update fortnightly, and BehindYourWall every 4 days. Most recently, LNDU was updated on November 4, 2026 and BehindYourWall on October 31, 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.*