Packsaddle Software · DueFox · FAQ
DueFox vs Kindly: Payment Reminder Pro
Checked November 9, 2026.
Kindly is a well-reviewed reminder tool for unpaid orders paid by manual methods (bank transfer, invoice, cash on delivery) and for draft orders, by email or SMS. DueFox is narrower. It's built for wholesale on net terms through Shopify B2B, and it tracks the whole invoice: who owes what, how late, partial payments, and paid status in Shopify.
Kindly charges by follow-up, with extras at $0.15 to $1.00 each. DueFox reminders are unlimited on every plan, and partial payments are tracked so reminders ask only for the balance.
Install DueFox free (up to 3 wholesale companies)
Side by side
| DueFox | Kindly: Payment Reminder Pro | |
|---|---|---|
| Price | Free for up to 3 wholesale companies. Starter $29/month (25 companies), Growth $79 (100), Scale $149 (unlimited). Every plan has every feature; yearly billing gives 2 months free. 14-day free trial. | Starter $15/month with 50 follow-ups; Kind $40 (150); Kinder $90 (500); Kindness+ $150 (2,000). Extra follow-ups cost $0.15–$1.00 each. 12-day free trial. |
| What you'd pay a month | 10 buyers: $29. 30 buyers: $79. 60 buyers: $79. Reminders unlimited. | Assuming 2 follow-ups per buyer a month (DueFox itself sends two before an invoice is late), on the cheapest plan: 10 buyers: $15. 30 buyers: $25 (Starter plus 10 extras at its $1 rate). 60 buyers: $40. |
| What it's priced on | How many wholesale companies you track; reminders are unlimited | How many follow-ups you send each month |
| Orders it covers | Shopify B2B orders from companies with payment terms | Any unpaid order or draft order with a manual payment method |
| Reminder channels | Email, under your store's name | Email, plus optional pay-per-use SMS |
| Reminder schedule | Fixed: 3 days before due, on the due date, then 3, 7 and 14 days late. Wording is editable. | Multi-step schedules you design, from the due, order or invoice date, by payment method, order or customer tag |
| Partial payments | Yes, on every plan; reminders ask only for the balance | The listing doesn't mention them |
| Overdue list and aging | Yes: every open invoice by days overdue, with aging in 1–30, 31–60, 61–90 and 90+ day buckets | Analytics on recovered revenue and success rate; the listing doesn't mention an aging view |
| Past orders | Reads your past B2B orders on install | The listing doesn't mention them |
| Auto-cancel unpaid orders | No | Yes |
| Reviews | New: launched October 29, 2026, no reviews yet | 5.0 from 31 reviews; on the App Store since 2020 |
Where Kindly: Payment Reminder Pro is the better pick
- You chase unpaid orders across manual payment methods, not just B2B net terms.
- You want SMS reminders, your own reminder schedules, or unpaid orders cancelled automatically.
- You want a proven app with a long review history.
Where DueFox is the better pick
- You sell wholesale on net terms through Shopify B2B and want an overdue list sorted by who's latest.
- Buyers pay in parts and you need reminders to ask only for what's left.
- You'd rather not count follow-ups: DueFox pricing is by wholesale company, and reminders are unlimited.
The short version
Choose Kindly to chase any manual-payment order by email or SMS. Choose DueFox to track and collect wholesale net terms invoices in Shopify B2B, including partial payments.
Try DueFox
Free for up to 3 wholesale companies. Paid plans have a 14-day free trial.
Install DueFox free (up to 3 wholesale companies)
Questions before you install? Email Ryan, who built DueFox: [email protected]. Paid plans cancel anytime from your Shopify admin.
We make DueFox, so read this as our side. Details about Kindly: Payment Reminder Pro come from its Shopify App Store listing as of November 9, 2026. Apps change, so check its listing for current plans and features. Questions: [email protected].