Simple Invoice Maker vs Invoice Flow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Simple Invoice Maker
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Simple Invoice Maker is an easy way to create, send and manage professional invoices from your phone. No account or sign in required. Just add your business details, customers and items, then create clear PDF invoices in seconds. Ideal for freelancers, sole traders and small businesses, the app helps you keep track of paid, sent, overdue and outstanding invoices. You can add tax, discounts, shipping, payment details and due dates, choose your currency, and customise how your invoice exports look. Features include: - Create and send professional PDF invoices - Manage customers, items and business profiles - Track invoice status, due dates and payments - Add tax, discounts and shipping - Choose from multiple invoice templates - Export invoices, customers and items to CSV - Import existing data or transfer from another device - Back up and restore your data Simple Invoice Maker is designed to be straightforward, reliable and quick to use, whether you send the occasional invoice or manage invoices every week. Privacy Policy: https://simpleinvoicemaker.co.uk/privacy Terms of Use: https://simpleinvoicemaker.co.uk/terms
Invoice Flow
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Invoice Flow makes it easy to create clean, professional invoices on your iPhone. Itβs built for freelancers, contractors, and small businesses who want simple, reliable billing. Key Features - Create in Minutes Add items, set amounts, and send a polished invoice in a few taps. - Stay Organized Save client details and quickly find past invoices with search and filters. - See Whatβs Paid Check your income at a glance with clear paid and unpaid statuses. - Designed for iOS A smooth, focused design that keeps everyday billing stress-free. Why you'll love it β’ Auto calculated totals & taxes. β’ Multi currency support. β’ Share via Email, Messages, or AirDrop. β’ Local storageβno account needed. β’ Customizable currency, tax rates, and terms. Simple, mobile-first invoicing that helps you stay on top of every job. Privacy Policy: https://www.freeprivacypolicy.com/live/ed439102-2a9b-4f0f-8709-1306383cb22b Terms of Use: https://www.freeprivacypolicy.com/live/81696f5c-b17d-456d-8ca1-b1bdfd4f373c
Screenshots
Verdict
The clearest difference is in-app purchases: Invoice Flow at none against Simple Invoice Maker's 2. Invoice Flow also leads on update cadence (every 4 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Simple Invoice Maker sells 2 in-app purchases, starting at $0.99 per month. Invoice Flow asks for nothing beyond the download.
Simple Invoice Maker ships an update every 6 months, Invoice Flow every 4 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.
| Parameter | Simple Invoice Maker | Invoice Flow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 4 days β better |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.0 β better | 15.1 |
| Further details β not scored | ||
| Size | 32 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | William Phillips | η³ ι |
In-app purchases
Simple Invoice Maker
- Simple Invoice Maker Pro - Monthly1 Month trial$0.991 Month
- Simple Invoice Maker Pro - Yearly1 Month trial$9.991 Year
Invoice Flow
No in-app purchases
Questions
Is Simple Invoice Maker free?
Is Invoice Flow free?
Do Simple Invoice Maker or Invoice Flow have ads?
Which is updated more often, Simple Invoice Maker or Invoice Flow?
Other comparisons
