Latch App vs BiLumix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Latch App
This app provides keyless entry for modern buildings, allowing users to unlock doors via a Doorcode or the app. It enables instant access for guests and services, and logs all entry activity.
- Keyless building access
- Unlock with Doorcode or app
- Grant temporary access
- Automated access for services
- Activity logging
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Latch is the first smart access system that eliminates keys and automates access for everything that needs to happen at a modern building. Open your door with a Doorcode or an app, instantly provide access to all of your favorite people and services through smart Doorcodes, and record everything that happens while you’re away. Use of the app requires Latch hardware to be installed at your building. To learn more about our products visit www.latch.com. Privacy Policy: https://www.latch.com/privacy-policy Support Email: support@latch.com
BiLumix
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Introduction to the PD Measurement App The PD Measurement App utilizes your smartphone camera to effortlessly measure the distance between your eyes. This tool provides essential information for Bilumix users. Features and Benefits - Ease of Use: Intuitive and user-friendly interface ensures accessibility for all users. - Precision Measurement: Utilizes the iPhone camera for accurate PD measurements. - Record Management: Automatically stores measured PD values within the app for convenient access. - User Convenience: Provides crucial information necessary for Bilumix services, enhancing user convenience. App Usage Guide 1. Take a Photo: Launch the app and capture a photo of your face. 2. Measure PD: Use the photo to determine the distance between your eyes. 3. Review Results: Instantly view and record the measured PD value.
Screenshots
Verdict
The clearest difference is update cadence: BiLumix at every 9 days against Latch App's every 2 months. Latch App's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price, ads and in-app purchases 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.
Latch App ships an update every 2 months, BiLumix every 9 days. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Latch App | BiLumix |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (155K ratings) — better | — |
| Positive reviews | 17.3% of reviews | — |
| Number of ratings | 155K — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 141 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Latchable, Inc. | ChoiceTech Korea Co., Ltd. |
Bugs and requests
Latch App
Reported bugs
3 issues- Frequent app crashes
- Inconsistent door recognition
- Session timeouts causing lockouts
Requested features
4 requests- Apple Wallet integration
- Customizable access permissions
- Improved widget functionality
- Offline mode for emergencies
BiLumix
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Latch App
No in-app purchases
BiLumix
No in-app purchases
