BIEL Light + Building vs Light + Building Istanbul
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BIEL Light + Building
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The Navigator-App is the official guide for visitors of Messe Frankfurt Argentina’s BIEL Light + Building Buenos Aires. It contains all the official information of the organizer, even without an internet connection you will find information in the exhibitor search, events and fairground. The app offers the following features (Please note that some features might be deactivated temporarily): Exhibitors: search for companies and products, filter and sort functions available, also find contact persons ad exhibitor events. Add Photos and Notes to an exhibitor and share them. Fairground: floor plan with booth details. The map provides useful information regarding: location of participating companies, accesses, trade fair’s highlighted spaces, information booths and gastronomy. Events: everything that’s happening during the show like special exhibits, conventions etc. Add them to your personal calendar or add them to your personal watchlist. Add Photos and Notes to an event and share them. News: with press releases and social-media-channels Favorites: your favorite companies and events at a glance, synchronize your favorite exhibitors from our online customer center (requires Messe-Login) Online registrations: this feature allows you to register to the event through the app. You can also invite your friends to register online My Downloads: all downloads from the exhibitor search and from “Nearby” in one place The app menu allows you to customise your settings regarding the app tracking, find opening times and further information on travelling to Messe Frankfurt, as well as privacy policy and terms of use. The Navigator App is available for Apple-Products (iPhone, iPod touch, iPad) at the App Store. Please send your feedback to apps@messefrankfurt.com
Light + Building Istanbul
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The Navigator-App is the official guide for visitors of Messe Frankfurt’s Light+ Intelligent Building Istanbul fair. It contains all the official information of the organizer, even without an internet connection you will find information in the exhibitor search, events and fairground. The app offers the following features (Please note that some features might be deactivated temporarily): Exhibitors: search for companies and products, filter and sort functions available, also find contact persons ad exhibitor events. Add Photos and Notes to an exhibitor and share them. Connect!: Get in contact with further fair attendees. Filter for relevant new business partners and contact them directly. Fairground: static floor and ground plan available. Events: everything that’s happening during the show like special exhibits, conventions etc. Add them to your personal calendar or add them to your personal watchlist. Add Photos and Notes to an event and share them. News: with press releases and social-media-channels Favorites: your favorite companies and events at a glance, synchronize your favorite exhibitors from our online customer center (requires Messe-Login). Download photos and notes from the watch list as ZIP file, Scanner: scan functionality for QR-codes, scan QR-Codes on the visitor badges and import this data in your contacts The app menu allows you to customise your settings regarding the app tracking, find opening times and further information on travelling to Messe Frankfurt, as well as privacy policy and terms of use. The Navigator App is available for Apple-Products (iPhone, iPod touch, iPad) at the App Store as a free App. Please send your feedback to apps@messefrankfurt.com
Screenshots
Verdict
BIEL Light + Building and Light + Building Istanbul 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.
BIEL Light + Building ships an update every 15 months, Light + Building Istanbul every 11 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | BIEL Light + Building | Light + Building Istanbul |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 11 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.6 |
| Further details — not scored | ||
| Size | 83 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Messe Frankfurt | MESSE FRANKFURT ISTANBUL ULUSLARARASI FUARCILIK LIMITED SIRKETI |
In-app purchases
BIEL Light + Building
No in-app purchases
Light + Building Istanbul
No in-app purchases
