EFOY vs US ESTA Visa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EFOY
Manage your EFOY fuel cell remotely via your smartphone or tablet. Find nearby retailers, access service, and stay updated on news. Monitor fuel cell, cartridge, and battery data on a single screen.
- Remote fuel cell control
- Fuel cartridge retailer locator
- Service department contact
- News and updates
- Fuel cell data monitoring
- Battery status display
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With the EFOY app, you will always have all information regarding your fuel cell at hand. Find the next fuel cartridge retailer in your vicinity with the practical EFOY app, contact our service department and follow all news related to your EFOY. Turn your smart phone or tablet into a remote control for your EFOY Fuel Cell with the EFOY app myEFOY function. Choose the operating with the press of a button and see all important data regarding your fuel cell, fuel cartridge and battery all on one screen. To control your EFOY Fuel Cell with myEFOY, you will require the EFOY Bluetooth adapter, the EFOY app and the latest firmware version. Download immediately for free!
US ESTA Visa
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Apply for your US Electronic System for Travel Authorization (ESTA) before you travel to the United States. US ESTA Visa guides you through the application in minutes, reviews your information before it is submitted, and keeps you updated until a decision is issued. What this service is US ESTA Visa is a private application-assistance service. We are not affiliated with, endorsed by, or operated by the US government or any government body, and we are not a law firm. Our team does not provide legal advice. You can apply directly on the official US government website if you prefer. Features Passport scanning Capture your passport using built-in optical character recognition (OCR). Your information is read and entered automatically, reducing manual typing and transcription errors. Application review Every application is checked for completeness and common errors before submission, helping you avoid mistakes that can lead to rejection. Status tracking Follow your application from submission to decision, with real-time notifications at each step. Saved profiles Securely store your information to complete future applications more quickly. 24/7 support Our support team is available at any time to answer questions about the application process. Faster processing Need your authorization sooner? Our fastest option prepares and submits your application within minutes of receiving your information. About the US ESTA The US Electronic System for Travel Authorization (ESTA) is a digital permission to travel for visitors from Visa Waiver Program countries coming to the United States for tourism, business, or transit, for stays of up to 90 days. US ESTA Visa is powered by iVisa, a trusted provider of travel documentation services.
Screenshots
Verdict
The clearest difference is ads: EFOY at none against US ESTA Visa's shown. US ESTA Visa's advantage is update cadence (every 6 days vs every 2 months). 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.
EFOY ships an update every 2 months, US ESTA Visa every 6 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | EFOY | US ESTA Visa |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 115 MB |
| Age rating | 17+ | 4+ |
| Developer | SFC Energy AG | Document Advisor LLC |
In-app purchases
EFOY
No in-app purchases
US ESTA Visa
No in-app purchases









