WeaveGrid vs Scan4D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WeaveGrid
Optimize your electric vehicle charging to save money and earn bill credits. This app helps you understand your electricity rates, track charging costs, and participate in utility programs. Monitor your EV's charging status and receive smart charging insights.
- Real-time EV charging status
- Detailed charge history and costs
- Electricity rate optimization
- Utility program enrollment
- Smart charging insights
- Push notifications
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Smart Charging for Electric Vehicle Drivers PARTICIPATE IN UTILITY PROGRAMS Enroll in utility-offered home charging programs to get bill credits and other cash incentives. Support a cleaner electric grid by charging at the best times. SAVE MONEY AND TRACK YOUR CHARGING COSTS See what you're spending on home charging with detailed cost breakdowns by day, week, or month. View your complete charge history including session times, energy delivered, and electricity rates. UNDERSTAND YOUR ELECTRICITY RATE Discover the best times to charge based on your utility rate plan. For time-of-use plans, see your preferred charging window when electricity is cheapest. MONITOR YOUR VEHICLE(S) Check your EV's charging status in real-time. See whether your car is plugged in, actively charging, or scheduled for later. SMART CHARGING INSIGHTS Track how often you're charging during optimal hours. See your smart charging score and understand how your charging habits impact your costs and the grid. STAY INFORMED Receive notifications about your charging sessions, program updates, and opportunities to save. Multiple household members can download the app for joint visibility and control. Features: • Real-time charging status for connected EVs and chargers • Detailed charge history with costs and energy usage • Electricity rate information and optimal charging times • Utility program enrollment and rewards tracking • Push notifications for charging updates WeaveGrid works with major automakers and utilities across the country to make EV charging simple, affordable, and friendly on the electric grid.
Scan4D
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Scan4D is a professional-grade reality capture app for iPhone and iPad. It turns your device's LiDAR sensor and camera into a powerful 3D scanner, capturing detailed meshes, depth maps, and camera poses for downstream reconstruction, photogrammetry, and spatial computing. FULL MODE (LiDAR devices) • Real-time mesh reconstruction with live wireframe overlay • 16-bit depth maps captured at adaptive frame rates • Scan capacity metrics: polygon count, drift tracking, session duration • Interactive 3D mesh preview with camera-sampled vertex coloring • Privacy filtering: person segmentation removes humans from meshes, face blurring in RGB exports LITE MODE (all devices) • RGB frame capture with ARKit camera poses • Server-side photogrammetry via exported image bundles • Automatic detection — no configuration needed TIME-SERIES SCANNING • Group scans by Location and re-scan the same space over time • "Extend Scan" loads a red ghost-mesh overlay of previous captures • Adjacent stitching: scan neighboring areas with shared coordinate frames • ARWorldMap relocalization for precise alignment between sessions FLEXIBLE EXPORT FORMATS • Scan4D: Full bundle with metadata, relocalization map, images, depth, and camera data • Polycam: Raw data import compatible with Polycam • RAW: Nerfstudio/COLMAP-compatible transforms.json + images + depth • OBJ / PLY / USDZ: Native mesh formats for MeshLab, Blender, and iOS Quick Look SERVER INTEGRATION • Configure any HTTP(S) upload endpoint in Settings • Direct PUT upload with live progress tracking • Save to Files or AirDrop for offline workflows • Compatible with self-hosted reconstruction pipelines DEVELOPER MODE • Front/back camera switching for testing privacy features • Synthetic IMU, camera, and depth injection for Simulator testing • Vertex mapping diagnostics and debug overlays Designed for researchers, 3D scanning professionals, and spatial computing developers who need raw, high-fidelity sensor data with full control over the reconstruction pipeline. Requires ARKit-capable device. LiDAR-equipped iPhone or iPad Pro recommended for full functionality.
Screenshots
Verdict
The clearest difference is iOS requirement: WeaveGrid at 15.1 against Scan4D's 18.0. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | WeaveGrid | Scan4D |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (25 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 36 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Weave Grid, Inc. | Anthony Rowe |
In-app purchases
WeaveGrid
No in-app purchases
Scan4D
No in-app purchases





