Milli vs Arminera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Milli
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The Milli-Q® Augmented Reality is an augmented reality tool mainly designed to allow salespeople (or external distributors) to show how products of Lab Water Solutions fit in a laboratory setting. This can be done on-site or offline using the composer functionality. The app’s other features include annotations and display of basic procedures.
Arminera
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The Navigator-App is the official guide for visitors of Messe Frankfurt’s Arminera. 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 as a free App. Please send your feedback to apps@messefrankfurt.com
Screenshots
Verdict
The clearest difference is ads: Milli at none against Arminera's shown. Milli also leads on iOS requirement (13.1 vs 16.6). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Milli ships an update every 9 months, Arminera every 13 months. The most recent releases landed on October 27, 2026 and October 3, 2026 respectively.
| Parameter | Milli | Arminera |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months — better | Every 13 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 746 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Merck KGaA (Darmstadt, Germany) | Messe Frankfurt |
In-app purchases
Milli
No in-app purchases
Arminera
No in-app purchases








