Fermax WayFi vs DUApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fermax WayFi
Control your home's door entry system remotely from your mobile device. View visitors, communicate with them, and unlock your door from anywhere with a 3G/4G or Wi-Fi connection. Never miss a visitor again.
- Remote door control
- Visitor video viewing
- Two-way audio communication
- Door unlocking
- Picture and video recording
- Call diversion to mobile
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Always connected to Home. From any mobile, the WayFi door entry kit by FERMAX allows you to control your door from anywhere worldwide. Using Way-Fi app, calls received at the home monitor can be diverted to mobile devices, where the user can view the visitor’s image, set up communication with them and, if desired, open the door. Additionally, you can take pictures and videos of your visitors. You only need a 3G/4G or WIFI connection to receive the call. Once installed the app, you can answer the call from the home monitor as usual, if you are at home, or use the app if you prefer. No more lost calls when you are not at home. Way-Fi kit is composed of the outdoor panel, power supply and monitor and is intended for single houses and offices or shops.
DUApp
This app reads information from Portugal's certified vehicle registration document using UniQode®. It provides intuitive and friendly access to the document's complete details. Note that it does not replace the physical document.
- Read UniQode® information
- Access vehicle document details
- Intuitive interface
- Friendly user experience
- Digital access to document data
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A duapp permite fazer a leitura da informação presente no UniQode® do documento certificado de matrícula, Documento Único Automóvel, de Portugal. Permite o acesso na app à informação completa do documento de forma intuitiva e amigável. Atenção: a DUApp não substitui o documento físico.
Screenshots
Verdict
The clearest difference is rating: Fermax WayFi at 2.5 against DUApp's 1.8. Fermax WayFi also leads on review sentiment (8% vs 0%) and iOS requirement (12.2 vs 15.0). On price, ratings volume, update cadence and ads 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.
Fermax WayFi holds the better App Store score, 2.5 against 1.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 8% of Fermax WayFi's written reviews are positive against 0% of DUApp's.
Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on June 8, 2026 and June 22, 2026 respectively.
| Parameter | Fermax WayFi | DUApp |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | 1.8 (4 ratings) |
| Positive reviews | 8.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 6 months | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.2 — better | 15.0 |
| Further details — not scored | ||
| Size | 45 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | FERMAX ELECTRONICA, S.A. | Imprensa Nacional-Casa da Moeda SA |
Customer experience
Fermax WayFi
DUApp
In-app purchases
Fermax WayFi
No in-app purchases
DUApp
No in-app purchases
