EAA Events vs ArkROI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EAA Events
This app provides comprehensive event information for aviation enthusiasts, allowing users to browse, filter, and search for activities, attractions, and exhibitors. Users can plan their visit by building a personalized itinerary and receive important notifications about schedule changes and weather.
- Event browsing and filtering
- Searchable attractions and exhibitors
- Personalized itinerary builder
- Real-time notifications
- Schedule change alerts
- Weather updates
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Whether you come to fly or to watch, the official EAA Events app is a must-have for attendees who want the “World’s Greatest Aviation Celebration” at their fingertips! EAA AirVenture Oshkosh is our flagship seven-day event, in July at Wittman Regional Airport in Oshkosh, Wisconsin, and is the ultimate celebration of aviation. Features of the app include: View, filter, and search EAA AirVenture events, attractions, guest services, destinations, workshops, speakers, and exhibitors. Plan Your Visit & Build Your Itinerary Browse the schedule of events and create your own personal day-by-day, hour-by-hour itinerary so that you don’t miss the events, activities, and exhibitors. Upon downloading the app, you’ll need to enter your name and email address, then respond to the email confirmation message. Then you’ll be able to build your itinerary on the EAA Events desktop portal and view or adjust your itinerary from your mobile device. Notifications Receive in-app notifications regarding activities, weather, and important schedule changes from the app home screen or main navigation menu. You’ll find the most up-to-date news and information and can even have your mobile device notify you when notifications are published in the app. The EAA AirVenture Oshkosh 2022 event in the app is sponsored by BendixKing.
ArkROI
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ArkROI is a practical decision-support tool for architectural studios and design teams to evaluate whether to participate in design competitions. Instead of relying on intuition alone, ArkROI helps you explore cost, effort, and risk trade-offs before committing time and resources. By making assumptions explicit, the app supports clearer internal discussions and more informed decisions about speculative work. It is designed for teams who want a simple, structured way to reflect on potential outcomes without complex workflows or unnecessary features. Key features: • Competition Cost Inputs – Account for fees, team time, and internal costs • Outcome Scenarios – Explore potential fees and effort against different assumptions • Risk Indicators – Visualise relative risk levels based on your inputs • Flexible Parameters – Adjust multipliers and factors to match your studio’s reality • Focused Interface – Clear, minimal UI built for quick evaluation ArkROI is built to support clarity and alignment within teams. No guarantees. No prescriptions. Just a structured way to assess trade-offs before deciding. Disclaimer All calculations and indicators provided in this app are illustrative estimates based on user-provided inputs and common planning assumptions. ArkROI does not provide financial, legal, or business advice and does not guarantee any outcomes. NORDFY is not liable for decisions or results arising from the use of this tool.
Screenshots
Verdict
The clearest difference is ads: ArkROI at none against EAA Events's shown. On price, in-app purchases, device support and iOS requirement 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.
| Parameter | EAA Events | ArkROI |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (102 ratings) — better | — |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 102 — better | — |
| Update frequency | Every 5 months | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 50 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | EXPERIMENTAL AIRCRAFT ASSOCIATION, INC. | NORDFY ApS |
Bugs and requests
EAA Events
Reported bugs
11 issues- Login process does not complete
- Event not listed in app
- Links to log in do not work
- Infinite login loop
- Code expired, cannot get new code
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- App opens to a blank screen
- EAA radio cuts out, ads too loud/delayed
- Map requires download each time
- Search field does not find vendors
- Login requires email link, not a code
- App not working on iOS 18.5
Requested features
8 requests- Offline map functionality
- Improved search tool
- Interactive GPS map like old app
- Ability to use EAA credentials for login
- Fix duplicate event listings with all times
Show 3 moreShow fewer
- Add map reference points
- Allow app access on multiple devices with one login
- Make app functional without login for basic info
ArkROI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
EAA Events
No in-app purchases
ArkROI
No in-app purchases









