Comparison

WID vs sustainStay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Contactless NFC reading
  • Exclusive bottle content
  • Digital wine library
  • Offline bottle access
  • Bottle rating and commenting
  • Cross-device library sync
  • Counterfeit detection
Features
Read full description

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.

About

sustainStay

Read full description

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

WID4 screens
sustainStay4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

ScorecardNo meaningful differences
WID versus sustainStay: the parameters behind the verdict, then further details
ParameterWIDsustainStay
PriceFreeFree
Rating4.6 (40 ratings) — better—
Number of ratings40 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size23 MB18 MB
Age rating17+17+
DeveloperWID GroupANTON BEZRUCHENKOV

In-app purchases

None

WID

No in-app purchases

None

sustainStay

No in-app purchases

Questions

Is WID free?
WID is free to download, with no in-app purchases.
Is sustainStay free?
sustainStay is free to download, with no in-app purchases.
Do WID or sustainStay have ads?
Neither WID nor sustainStay shows ads.
Which is updated more often, WID or sustainStay?
WID ships an update every 4 months, and sustainStay every 2 months. Most recently, WID was updated on November 11, 2026 and sustainStay on November 4, 2026.

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