VOLUM3 vs SiteOfSight
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VOLUM3
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VOLUM3 is a mobile workspace for construction and design teams who need fast access to project information on site and on the go. The app helps teams review plans, track tasks, and stay aligned across projects without relying on scattered files, messages, and paper documentation. With VOLUM3, you can: Access project plans from your mobile device Review drawings more easily while on site Track tasks and follow project updates Stay connected with project information wherever work happens Support faster coordination between office and field teams VOLUM3 is built for professionals involved in architecture, engineering, construction, supervision, and project coordination. Whether you are in the office, at a meeting, or on the construction site, VOLUM3 helps keep essential project information within reach.
SiteOfSight
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SiteOfSight is a mobile IFC/BIM viewer that lets you inspect building models directly on your phone - fast, fluid, and fully offline. Take your model to the job site, the office, or the field, with no internet connection required. FEATURES • 3D Model Viewing Open, rotate, and inspect complex BIM models smoothly on your phone. • buildingSMART Hierarchy Navigate, search, and filter through the Project > Site > Building > Storey > Element tree. • Floor Plan & Walk Mode Move between floors, browse the floor plan, or step inside the space with walk mode. • Section Cuts & X-Ray Cut the model along any plane, or switch to X-Ray to see through it. • Precise Measurement Snap to corners and edge midpoints for accurate distance and angle measurements. • Element Properties Tap any element to instantly see all its IFC properties, including property sets (Psets). • Offline IFC Glossary Look up IFC terminology right on your device, no internet needed. • 100% On-Device Your models and measurements never leave your device. Nothing is uploaded to any server - everything is processed locally. WHO IT'S FOR Built for architects, engineers, site managers, and BIM coordinators who need to review a model without reaching for a laptop or desktop software. Pick your own .ifc file from your device, or start instantly with the built-in sample model. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: VOLUM3 at none against SiteOfSight's 2. SiteOfSight's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement 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. SiteOfSight sells 2 in-app purchases, starting at $9.99 per month. VOLUM3 asks for nothing beyond the download.
VOLUM3 ships an update every 2 weeks, SiteOfSight every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | VOLUM3 | SiteOfSight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 25 MB | 79 MB |
| Age rating | 17+ | 4+ |
| Developer | Volum3 d.o.o | Eray Alkan |
In-app purchases
VOLUM3
No in-app purchases
SiteOfSight
- Aylık SiteOfSight Premium$9.991 Month
- Yıllık SiteOfSight Premium$99.991 Year









