USD GoPay vs PayDan
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
USD GoPay
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Invoicing program for any industry. Add your clients, create a line item invoice, email, text or create a QR code and collect payment via ACH or Credit Card. You can also send estimates and integrate with the USD GoSign E-signature program. You can send estimates to E-sign and Pay. Includes reporting and ledgers. You can also choose to pass the credit card convenience fees to your client. Sales tax calculator automatically included for all of the United States. Create custom templates for your invoices. Add customer fields required for your invoices. Add the ability to collect Tips from your clients. To use this app for merchant services, you must be vetted as a legitimate user and be approved to accept ACH and Credit Cards. Average turn around time is 48 hours once all required documents are received.
PayDan
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The smart solution for seamless paymentsβcreate invoices, track inventory, schedule appointments, and enjoy integrated payment processing
Screenshots
Verdict
The clearest difference is update cadence: PayDan at every 2 weeks against USD GoPay's every 4 months. PayDan also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
USD GoPay ships an update every 4 months, PayDan every 2 weeks. The most recent releases landed on October 11, 2026 and September 26, 2026 respectively.
| Parameter | USD GoPay | PayDan |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 16.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 10 MB | 39 MB |
| Age rating | 17+ | 17+ |
| Developer | United Software Developers Inc. | Paydan POS |
In-app purchases
USD GoPay
No in-app purchases
PayDan
No in-app purchases








