RoomVector vs Sunlight Sim
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RoomVector
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Transform your iPhone or iPad into a powerful architectural scanner. RoomVector leverages advanced LiDAR and RoomPlan technology to capture accurate 3D models, floor plans, and measurements in seconds perfect for contractors, interior designers, realtors, and homeowners. Key Features: Dual Scanning Modes: LiDAR Mesh: Capture detailed, textured 3D meshes of objects, furniture, or entire rooms. RoomPlan: Automatically generate clean, architectural 2D and 3D floor plans that recognize walls, windows, doors, and furniture. Professional Reporting: Generate comprehensive PDF reports instantly. Customize reports with 2D floor plan maps, 3D model snapshots, room dimensions, and your own project notes. Immersive Preview: Explore your scans with an interactive 3D viewer. Switch between Orbit and Immersive modes to fly through your captures using intuitive gesture controls. AR Measurement Tool: Quickly measure distances and calculate areas in real-time using the dedicated AR ruler, no scanning required. Export and Share: Export your data in standard industry formats including USDZ, OBJ, and PNG. Share models and reports directly via AirDrop, Messages, or Email. Privacy First: RoomVector processes everything on-device. Your scans and data never leave your phone unless you choose to export them. Requirements: Requires an iPhone or iPad with a LiDAR scanner (iPhone 12 Pro or newer Pro models, or iPad Pro 2020 and newer).
Sunlight Sim
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See your next home in real daylight β before you sign. An open house shows you one moment. Sunlight Sim shows you the whole day β and all four seasons. Take a photo of the room. Seconds later, see how sun and shadow move through the windows: bright in the morning, softer by afternoon, lower in winter, longer in summer - or no direct sunlight at all? Why Sunlight Sim? Many homes look radiant at noon β then turn surprisingly dark after 4 p.m. Or the kitchen gets almost no direct sun in winter. Sunlight Sim helps you spot those surprises early: when renting, buying, or comparing several places. Agents use it to help clients decide faster with clear, visual light reports. How it works 1. Capture or import a photo β Camera or library. Time, location, and compass heading are read from metadata when available. 2. Configure the room β Window direction, map pin, seasons and times. Nearby buildings from inform shading. 3. Run the simulation β On-device sun position, incidence angle, and occlusion. Then AI generates realistic interior lighting β same furniture and window frames, new light. 4. Explore results β Up to a 16-image grid (4 seasons Γ 4 times of day), light score per cell, full-screen viewer with time chips. 5. Save & share β History by address and room, export to Photos, PDF summary via AirDrop or Mail. What you get β’ Year-round preview β Spring, summer, autumn, winter in one consistent view β’ Full day β Morning, noon, afternoon, evening β’ Physics, not guesswork β Astronomical sun position, window orientation, building shadowing β’ Your room, your geometry β Always starts from your photo β not stock imagery β’ Organize by place β Multiple addresses, light scores per room at a glance β’ Works offline for saved work β Stored results and on-device math; generation needs internet Pay fairly β no subscription No monthly fee. Buy credits when you need images. One credit = one generated image. A full room with all 16 combinations = 16 credits. Credits never expire. You are only charged for successfully rendered images. Who itβs for β’ Renters and first-time buyers β’ Anyone choosing between several homes β’ Realtors and architects who need fast, shareable light reports Privacy Photos are processed only to fulfill your request, are not used for model training, and are not kept on our servers. Your history stays on your device. On accuracy Sun timing and direction use established calculations (GPS, date, window, surroundings) β typically within a very short time. Images are AI-rendered to show realistic light on your photo; they are not a guaranteed lux measurement.
Screenshots
Verdict
The clearest difference is in-app purchases: RoomVector at none against Sunlight Sim's 4. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Sunlight Sim sells 4 one-off in-app purchases. RoomVector asks for nothing beyond the download.
| Parameter | RoomVector | Sunlight Sim |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 26.1 | 26.0 β better |
| Further details β not scored | ||
| Size | 6 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | JOSEPH AARON SPEARS | Dear Friend Digital GmbH |
In-app purchases
RoomVector
No in-app purchases
Sunlight Sim
- 16 Credits$3.99
- 40 Credits$7.99
- 100 Credits$17.99
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- 240 Credits$34.99









