Comparison

Light + Building Istanbul vs SolarEX

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

Head to head
About

Light + Building Istanbul

Features
Read full description

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

About

SolarEX

Features
Read full description

Fuar Organizasyonu Mobil Uygulaması

Screenshots

Light + Building Istanbul4 screens
SolarEX4 screens

Verdict

The call

The clearest difference is ads: SolarEX at none against Light + Building Istanbul's shown. SolarEX also leads on update cadence (every 2 weeks vs every 11 months) and iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support 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

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

Light + Building Istanbul ships an update every 11 months, SolarEX every 2 weeks. Both last shipped on October 30, 2026.

Scorecard3 real differences · 3 level
Light + Building Istanbul versus SolarEX: the parameters behind the verdict, then further details
ParameterLight + Building IstanbulSolarEX
PriceFreeFree
Update frequencyEvery 11 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size85 MB39 MB
Age rating4+17+
DeveloperMESSE FRANKFURT ISTANBUL ULUSLARARASI FUARCILIK LIMITED SIRKETIVoli Fuar Hizmetleri A.Ş.

In-app purchases

None

Light + Building Istanbul

No in-app purchases

None

SolarEX

No in-app purchases

Questions

Is Light + Building Istanbul free?
Light + Building Istanbul is free to download, with no in-app purchases.
Is SolarEX free?
SolarEX is free to download, with no in-app purchases.
Do Light + Building Istanbul or SolarEX have ads?
Light + Building Istanbul shows ads; SolarEX does not.
Which is updated more often, Light + Building Istanbul or SolarEX?
Light + Building Istanbul ships an update every 11 months, and SolarEX every 2 weeks. Most recently, Light + Building Istanbul was updated on October 30, 2026 and SolarEX on October 30, 2026.

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