Invoice Maker vs Mainkarl Invoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Invoice Maker
Easily create professional invoices, send estimates, and track payments and expenses. This tool helps businesses get paid faster, manage cash flow, and maintain a professional client image. It automates tasks like recurring invoices and reminders, offering financial insights through reports.
- Generate professional invoices
- Send estimates and proposals
- Track payments and expenses
- Automatic tax calculations
- Recurring invoices and reminders
- Financial reports and insights
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Invoice Maker is a simple yet powerful invoice generator app that helps you generate invoices, send estimates, track payments and expenses. Get paid faster and manage cash flow with confidence. This app is your trusted invoicing partner — helping you save time, avoid errors, and present a professional image to your clients. Key Features: Generate professional, branded invoices Manage multiple client profiles Share price proposals in one place Track and manage expenses Automatic tax calculations and multi-currency support Smart automation: recurring invoices, auto-reminders, and one-click quote-to-invoice conversion Get reports to gain insights on projects and finances Designed for startups, freelancers, agencies, professionals and SMEs, Invoice Maker saves you time and reduces errors — no finance expertise needed. Get paid faster and keep your business flowing smoothly. Download now to generate your first invoice! Privacy Policy:- https://invoicemakers.ai/privacy-policy.html Terms of Use:- https://invoicemakers.ai/terms-condition.html
Mainkarl Invoice
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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.
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Verdict
The clearest difference is in-app purchases: Mainkarl Invoice at none against Invoice Maker's 3. Invoice Maker's advantage is update cadence (every 10 days vs every 2 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. Invoice Maker sells 3 in-app purchases, starting at $6.99 per 7 days. Mainkarl Invoice asks for nothing beyond the download.
Invoice Maker ships an update every 10 days, Mainkarl Invoice every 2 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.
| Parameter | Invoice Maker | Mainkarl Invoice |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 91 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Invoice Maker™ | cisbox GmbH |
In-app purchases
Invoice Maker
- Weekly3 Days trial$6.997 Days
- Monthly7 Days trial$24.991 Month
- Yearly14 Days trial$149.991 Year
Mainkarl Invoice
No in-app purchases







