InvoiceGen vs EventFlow.OS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InvoiceGen
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InvoiceGen is an invoice maker and billing app for freelancers, contractors, and small businesses. Create professional invoices in minutes, export polished PDFs, and track billing status from one place. CREATE AND MANAGE INVOICES - Add clients, line items, tax, due dates, notes, discounts, and payment terms - Track every invoice with clear statuses: Draft, Sent, Paid, and Overdue - Keep client details and invoice history organized PROFESSIONAL PDF OUTPUT - Generate branded PDF invoices with logo, typography, and layout controls - Preview your invoice design before you share - Save and export invoices whenever you need them STAY ON TOP OF PAYMENTS - Get reminders for upcoming and overdue due dates - Plan recurring invoice schedules for repeat clients (Pro) - View upcoming sends and stay ahead of billing cycles (Pro) BUILT FOR DAILY WORKFLOWS - Search invoices and clients quickly - Export invoice and client data as CSV - Configure currency, tax, and payment methods to match your business InvoiceGen includes an optional Pro subscription for advanced workflows, including one-tap invoice sending, recurring scheduling workflows, and deeper design customization. Privacy Policy: https://dan1sl6nd.github.io/invoicegen-legal/privacy.html Terms of Service: https://dan1sl6nd.github.io/invoicegen-legal/terms.html
EventFlow.OS
Manage event check-ins and attendance efficiently with real-time tracking and live analytics. This app simplifies on-site operations for various events, offering easy attendee management and report export from a single interface.
- Real-time attendee check-in
- Attendance tracking
- Live analytics monitoring
- Event creation and management
- Report export
- On-site operations management
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EventFlow is a modern event check-in and attendance management app designed for fast, reliable on-site operations. Create and manage events, check in attendees in real time, track attendance, export reports, and monitor live analytics—all from a single mobile interface. EventFlow is built for conferences, business events, and private gatherings that need accurate attendance data without complexity.
Screenshots
Verdict
The clearest difference is in-app purchases: EventFlow.OS at none against InvoiceGen's 2. EventFlow.OS also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price 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. InvoiceGen sells 2 in-app purchases, starting at $9.99 per 7 days. EventFlow.OS asks for nothing beyond the download.
| Parameter | InvoiceGen | EventFlow.OS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 191 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniil Mukashev | samuel talarico |
In-app purchases
InvoiceGen
- InvoiceGen Pro Weekly3 Days trial$9.997 Days
- InvoiceGen Pro Yearly$99.991 Year
EventFlow.OS
No in-app purchases









