FA 4xx App vs wallPen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FA 4xx App
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Die Wöhler Flügelradanemometer FA 410 und FA 430 ab Version 5.1 senden Messdaten per Bluetooth® an mobile Endgeräte. Die Messwerte werden in der Wöhler FA 4xx App auf dem Display des mobilen Endgerätes dargestellt und lassen sich in der App speichern. Dabei kann die App gleichzeitig die Messdaten mehrerer Anemometer anzeigen. Aus der App lassen sich die gespeicherten Daten über ein Email-Programm oder einen Messenger-Dienst versenden. Außerdem können über die App per Bluetooth® Einstellungen am Flügelradanemometer vorgenommen werden.
wallPen
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wallPen: Unleash Creativity with One Powerful App The wallPen experience just got a major upgrade! The new wallPen app brings image processing and printer control together in one convenient place. It's now available on all your devices, offering even more flexibility to turn your vision into reality. Here's what you can expect: Simulation: All functions are also available for evaluation without connection to a wallPen E2. Seamless Workflow: Effortlessly processing and preparing from graphic, then control your wallPen directly from the app. Vertical Printing Made Easy: Achieve perfect vertical prints with intuitive controls designed specifically for this application. Unleash Your Creativity: Explore endless possibilities and transform any wall into a masterpiece. Download the wallPen app today and experience: New Features: Discover a range of new features designed to simplify operation and enhance your creative potential. Even Easier Use: Enjoy a more intuitive and user-friendly experience for effortless wall art creation. One App for Everything: Eliminate the need for separate tools – wallPen processor and printer control are now at your fingertips. Don't just dream it, create it with the wallPen app! Please note: Some features may require a service contract for access. The core functionality of your wallPen remains unaffected, even without a service contract.
Screenshots
Verdict
The clearest difference is update cadence: wallPen at every 2 months against FA 4xx App's every 34 months. FA 4xx App's advantage is iOS requirement (9.0 vs 13.0). 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.
FA 4xx App ships an update every 34 months, wallPen every 2 months. The most recent releases landed on September 14, 2026 and June 6, 2026 respectively.
| Parameter | FA 4xx App | wallPen |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 34 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 93 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Woehler Technik GmbH | wallPen GmbH |
In-app purchases
FA 4xx App
No in-app purchases
wallPen
No in-app purchases









