Lu Ban Ruler vs HAPULICO SMART
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lu Ban Ruler
This professional tool applies ancient principles to measure furniture, houses, and graves for auspicious placement. It offers high accuracy and works offline, supporting multiple units for precise application.
- Door Ruler for furniture
- Yang House Ruler for buildings
- Yin House Ruler for graves
- High accuracy
- Offline functionality
- Multiple unit support (cm, mm, meters)
- Detailed usage guide
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LUBAN RULER – The feng shui ruler in your pocket The Luban ruler is essential when building doors, gates, altars, beds, cabinets or stairs. This app instantly tells you whether a measurement falls on a LUCKY or UNLUCKY segment, and suggests the nearest auspicious size — anytime, anywhere. ALL THREE RULERS INCLUDED • Clear Opening (52.2cm) – for the clear opening of doors and gates • Yang Dwelling (42.9cm) – for stoves, beds, tables and furniture • Yin Dwelling / Ding Lan (38.8cm) – for altars, shrines and graves KEY FEATURES • See the result of all three rulers at once • Drag the ruler or type a measurement directly (mm/inch) • Auspicious size suggestions: on an unlucky mark, the app tells you exactly how many mm to add or subtract to reach the nearest lucky one • Haptic alert when a measurement crosses into an unlucky zone – measure without looking • Quick-adjust buttons (−1mm / +1mm) and reset-to-zero • Plain-language meaning for every segment • Three languages: Vietnamese, English, Chinese • Light & Dark mode • Optimized for both iPhone and iPad WHO IS IT FOR? • Carpenters, builders and contractors • Homeowners renovating, building or setting up an altar • Anyone interested in feng shui Works fully offline. No account required. Download now so every dimension in your home is in harmony!
HAPULICO SMART
This application provides public lighting services. It allows users to manage and monitor lighting infrastructure. The app is designed for efficient operation and maintenance of public illumination systems.
- Public lighting service management
- Infrastructure monitoring
- Efficient operation
- Maintenance tools
- Illumination system control
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Dịch vụ chiếu sáng công cộng
Screenshots
Verdict
The clearest difference is rating: Lu Ban Ruler at 4.4 against HAPULICO SMART's 3.0. Lu Ban Ruler also leads on ratings volume (7 vs 2). HAPULICO SMART's advantage is update cadence (weekly vs every 6 months). On price, ads, in-app purchases and monetization model 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.
Lu Ban Ruler holds the better App Store score, 4.4 against 3.0. Both are backed by a comparable volume of ratings — 7 and 2 respectively.
Lu Ban Ruler ships an update every 6 months, HAPULICO SMART weekly. The most recent releases landed on September 12, 2026 and September 14, 2026 respectively.
| Parameter | Lu Ban Ruler | HAPULICO SMART |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | 3.0 (2 ratings) |
| Number of ratings | 7 — better | 2 |
| Update frequency | Every 6 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 2 MB | 26 MB |
| Age rating | 4+ | 17+ |
| Developer | Manh Nguyen | Nguyen Ngoc Thang |
Customer experience
Lu Ban Ruler
HAPULICO SMART
In-app purchases
Lu Ban Ruler
No in-app purchases
HAPULICO SMART
No in-app purchases
Questions
Is Lu Ban Ruler free?
Is HAPULICO SMART free?
Which has better reviews, Lu Ban Ruler or HAPULICO SMART?
Do Lu Ban Ruler or HAPULICO SMART have ads?
Which is updated more often, Lu Ban Ruler or HAPULICO SMART?
Other comparisons
