WID vs sustainStay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WID
This app uses NFC technology to read electronic chips on bottles, revealing exclusive content like vineyard details, winemaking stories, and nutritional information. Users can build a digital library of identified bottles, rate them, and track consumption, even offline.
- Contactless NFC reading
- Exclusive bottle content
- Digital wine library
- Offline bottle access
- Bottle rating and commenting
- Cross-device library sync
- Counterfeit detection
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Every bottle has its story. WID tells it to you. Hold your phone close to the WID label: the reading starts by itself. Within seconds, you know whether your product is identified and you can open its page. Used in 103 countries, the WID app supports the estates, châteaux and houses that fit their bottles with a discreet, unique and secure electronic chip. VERIFY IN A SINGLE GESTURE • Contactless NFC reading, with no QR code to aim at • A clear result, right on your screen EXCLUSIVE CONTENT Each estate chooses what it shares with you, for example: • the vineyard and a map of its plots • the wine story, work in the vines, winemaking and ageing • images, videos and food pairings • ingredients and nutrition information YOUR WINE LIBRARY FOLLOWS YOU • Find every identified bottle, even offline • With an account, rate and comment on your bottles and mark the ones you have consumed • Find your wine library on your other devices FOR PROFESSIONALS Producers and retailers have a dedicated area to register and associate the chips on their products. GOOD TO KNOW Identification requires an NFC-compatible phone and access to your location: each reading is dated and located, which helps detect counterfeits.
sustainStay
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Welcome to sustainStay, the ultimate app for enhancing your hotel experience! From personalised services to exclusive local promotions, sustainStay brings the best of your stay to your fingertips. Key features: Hotel Services at Your Fingertips: Book room service, spa treatments, and housekeeping with ease. Local Business Promotions: Unlock exclusive deals at nearby restaurants, attractions, and shops. Guest Chat: Chat directly with the concierge or hotel staff for quick assistance. Or even with other guests! AI Assistant: Get tailored recommendations for activities, dining, and entertainment based on your preferences. sustainStay is your all-in-one travel companion designed to make your stay seamless, enjoyable, and unforgettable. Download sustainStay and transform the way you travel!
Screenshots
Verdict
WID and sustainStay are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
WID ships an update every 4 months, sustainStay every 2 months. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.
| Parameter | WID | sustainStay |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (40 ratings) — better | — |
| Number of ratings | 40 — better | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 23 MB | 18 MB |
| Age rating | 17+ | 17+ |
| Developer | WID Group | ANTON BEZRUCHENKOV |
In-app purchases
WID
No in-app purchases
sustainStay
No in-app purchases








