# Mainkarl Invoice — E-Invoicing

> E-Invoicing (iPhone/iPad app by cisbox GmbH.)

- Source: https://appshunter.io/ios/app/mainkarl-invoice/id6756097483 (this page in markdown: same URL + `.md`)
- Developer: [cisbox GmbH](https://appshunter.io/developer/1326084072)
- Category: Business, Finance
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 37 MB
- Languages: English, German
- Released: 2025-12-29
- Data updated: 2026-06-30
- User reviews in markdown: https://appshunter.io/ios/app/mainkarl-invoice/id6756097483/reviews.md

## What is Mainkarl Invoice?

The Mainkarl Invoice app allows you to manage and approve your invoices, receipts, and payments now even more user friendly on your smartphone: digital, modular, secure.

This app is your ideal companion to handle the business related purchase-to-pay cycle of your company on the go or while away from your desk. You need a compatible device with appropriate settings for country or region, the app must be activated for your company, and you have to be a registered Mainkarl Invoice user to benefit from this app.

Mainkarl Invoice app features:

    • automatic synchronization of the Mainkarl Invoice app with your Mainkarl Invoice web application
    • real time monitoring of your invoices and receipts
    • personal dashboard with warnings: invoices and receipts overdue, imminent cash discount losses, price increases
    • approval workflow for your invoices, receipts and payments
    • allocation in invoices
    • display of account assignment information
    • last price increasements
    • adding and displaying invoice attachments
    • forwarding invoices and receipts by email

    • access the online archive with all your invoices and receipts
    • customize your personal settings
    • Dark mode
    • Submit expense reimbursements
    • Receive push notifications for user-related interactions

Feedback

How do you like your Mainkarl Invoice app? Send us your evaluation! Your feedback and your ideas will help us to become even better.

About Mainkarl

Since 2005, Mainkarl develops and runs web-based «BPaaS» (Business-Process-as-a-Service) accounts payable automation, e- procurement, and data management solutions: digital, modular, secure.

Mainkarl Invoice is one of the leading and in specific industries most widespread accounts payable automation solutions, used by clients in more than 25 countries across the globe.

Mainkarl Order is the innovative and recently awarded e-procurement solution.


## Version history (last 2 releases)

### 1.15.0 — 2026-06-27

- Show Cancel Reason
- Bug fixes & optimizations

### 1.14.3 — 2025-12-30

No release notes.

## Apps similar to Mainkarl Invoice

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Invoice Maker - Receipt Maker.](https://appshunter.io/ios/app/invoice-maker-receipt-maker/id6754967739) | 5.0 (1) | Free | Business |
| [INTERGASTRA / GELATISSIMO](https://appshunter.io/ios/app/intergastra-gelatissimo/id6749611795) | — | Free | Business |
| [DATEV RZ-Status mobil](https://appshunter.io/ios/app/datev-rz-status-mobil/id920377796) | — | Free | Business |
| [Edelmann](https://appshunter.io/ios/app/edelmann/id1577520780) | — | Free | Business |

## More apps by cisbox GmbH

- [cisbox Invoice](https://appshunter.io/ios/app/cisbox-invoice/id1354358184)
- [RBTportal](https://appshunter.io/ios/app/rbtportal/id1439773237)
- [cisbox Order](https://appshunter.io/ios/app/cisbox-order/id1454790295)
- [caspar Invoice](https://appshunter.io/ios/app/caspar-invoice/id6443598603)
- [caspar Order](https://appshunter.io/ios/app/caspar-order/id6738411476)

All apps by cisbox GmbH: https://appshunter.io/developer/1326084072

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-30.*