StoneContact vs NB StoneApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StoneContact
This B2B platform connects professionals in the stone industry, offering tools for member management, supplier discovery, and transaction handling. Easily find stones, manage inquiries, and even match images to similar products.
- Find over 19,000 stone types globally
- Member management for buyers and sellers
- Manage inquiries and buying requests
- Image matching for similar stones
- Supplier and quotation discovery
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StoneContact is a world leading B2B online commerce site for the stone industry. We also lead the way with digital tools for stone trading, such as our clod app. This mobile software includes member management, finding suppliers, inquiries and buying requests management, collection management as well as finding stones and quotations. Features: 1.Find over 19,000 kinds of stone in 120 countries. Conveniently find the stone, you are looking for, from suppliers and quotation. 2.We offer an easy-to-use member's center that includes the ability to collect information on buyers, sellers and stone. This member's center is where you can send and recieve buyer requests. 3.With one click you can "Match Your Image". This means you can upload a photo at your stone and our systerm will automatically match your images with similar stones, quotations and suppliers.
NB StoneApp
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This application has been developed by the Italian company Nikolaus Bagnara S.p.a., one of the leading natural stone enterprises on the market. The aim of this project was to guarantee a complete and clear overview of the company’s broad product range. By using this app, it is possible to navigate in the current catalogue of the material in sale, with the opportunity to have a look at pictures of close-ups, slabs and realized projects of natural stone. For authorized users it is possible to access the login area, which presents the latest stock of slabs. More precise, the user is not only able to see the number of available slabs, but also the measurements, the finishing and the choice. Furthermore, on this platform it is possible to instantly ask for additional information or offers through an email, which is being created directly by the application.
Screenshots
Verdict
The clearest difference is update cadence: StoneContact at every 2 months against NB StoneApp's every 6 months. StoneContact also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
StoneContact ships an update every 2 months, NB StoneApp every 6 months. The most recent releases landed on August 7, 2026 and September 10, 2026 respectively.
| Parameter | StoneContact | NB StoneApp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (8 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Stone Contact INC | AP Consulting S.r.l. |
In-app purchases
StoneContact
No in-app purchases
NB StoneApp
No in-app purchases







