FP viewer vs URSI Events
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FP viewer
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This application for confirmation of feature matching. The application has AKAZE, ORB, and BRISK feature extraction methods. You can use it in a lecture.
URSI Events
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The official URSI events app hosts the URSI Flagship Meetings and other URSI-Sponsored Meetings. Through the app, attendees can browse the Conference Program, create their personal agenda and network with other attendees. Furthermore, the app includes practical information, exhibitor and sponsor details, as well as the latest news from the event/conference organiser
Screenshots
Verdict
The clearest difference is update cadence: URSI Events at every 3 months against FP viewer's every 48 months. On price, ads, 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.
FP viewer ships an update every 48 months, URSI Events every 3 months. The most recent releases landed on September 16, 2026 and August 2, 2026 respectively.
| Parameter | FP viewer | URSI Events |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 48 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 3 MB | 115 MB |
| Age rating | 4+ | 12+ |
| Developer | Hiroaki SAWANO | URSI Events |
In-app purchases
FP viewer
No in-app purchases
URSI Events
No in-app purchases
