E vs konfipaySign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
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The E-Invoice Viewer App is your mobile solution for effortlessly viewing electronic invoices in XML format – including attachments – anytime and anywhere. Key Features: - View E-Invoices: Open and view E-Invoices in various formats directly on your iOS device. Currently supported formats: UBL & CII XML (more to come) - Interactive Invoice Display: Easily navigate through your invoices within the app - Attachment Management: View all attachments embedded in the invoices directly in the app - Caching: The last 100 invoices you viewed are automatically stored for quick access - Multi-Format Support: Compatible with UBL and CII XML files conforming to the XRechnung standard (including ZUGFeRD XML) - Multilingual Interface: Currently available in German and English – more languages coming soon Your Benefits: - Mobility: Easily review E-Invoices on the go using your smartphone or tablet - Fast Approval: Thanks to the mobile interface, you can approve invoices quickly, even when you're away from your desk - User-Friendly Design: Intuitive navigation enables fast and efficient handling of electronic invoices - Future-Proof: Stay compliant with legal e-invoicing requirements in accordance with EN16931, mandatory from January 1, 2025 With the E-Invoice Viewer App, you're well prepared for the digital future of invoicing. Download the app today and benefit from efficient management of your e-invoices. The E-Invoice Viewer App is available in three versions: - Basic: View up to 5 invoices per month at no cost (registration required) - Standard: Unlimited invoice viewing on iOS devices - Premium: Unlimited invoice viewing across all your devices (Mac, iPhone, iPad) Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
konfipaySign
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Sie befinden sich in einem Meeting, besuchen eine Messe oder warten am Flughafen. Im Büro werden Sie erwartet, um wichtige Zahlungen freizugeben. Löhne und Gehälter sind fällig, die Transaktionen aus dem Kartenzahlungsterminal müssen bestätigt und Eingangsrechnungen bezahlt werden… Mit konfipaySign können Sie einfach und flexibel Zahlungen einsehen, unterschreiben und stornieren – unabhängig von Ihrem Standort. konfipaySign ist eine browserbasierte Anwendung. Somit können Sie von jedem Endgerät mit Internetzugang das Portal auf portal.konfipay.de abrufen und standortunabhängig agieren.
Screenshots
Verdict
The clearest difference is in-app purchases: konfipaySign at none against E's 4. konfipaySign also leads on update cadence (every 2 days vs every 4 months). On price, ads, 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. E sells 4 in-app purchases, starting at $50.00 per year. konfipaySign asks for nothing beyond the download.
E ships an update every 4 months, konfipaySign every 2 days. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.
| Parameter | E | konfipaySign |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 61 MB | 9 MB |
| Age rating | 4+ | 17+ |
| Developer | Open7 | cisbox GmbH |
In-app purchases
E
- Standard iOS (annual)$50.001 Year
- Premium (annual)$90.001 Year
- E-Invoice Viewer Standard - 1 year$50.00
- E-Invoice Viewer Premium - 1 year$90.00
konfipaySign
No in-app purchases









