Kindly: Payment Reminder Pro vs Notify Customersfor Shopify (2026)
Kindly: Payment Reminder Pro and Notify Customers both aim to improve customer engagement, but they approach it from fundamentally different angles. Kindly focuses specifically on recovering potentially lost revenue by sending payment reminders. Notify Customers, on the other hand, takes a broader SMS marketing approach, enabling merchants to promote sales, gather reviews, share updates, and launch new products through text messaging. Kindly is a specialized tool targeting merchants struggling with unpaid invoices, while Notify Customers is a more general SMS marketing platform designed to increase overall customer engagement and repeat business.
At a Glance
Kindly: Payment Reminder Pro
23 reviews
Notify Customers
8 reviews
Detailed Overview
Notify Customers
Send SMS text message campaigns to keep customers coming back.
Key Features
- Automatically sync customers from Shopify to Notify, or upload a customer list.
- Send texts with images and schedule campaigns for future delivery.
- View campaign replies and start 1-on-1 text conversations.
Feature Comparison
| Rating | 5/5 | 5/5 |
Rating Kindly: Payment Reminder Pro5/5 Notify Customers5/5 | ||
| Reviews | 23 | 8 |
Reviews Kindly: Payment Reminder Pro23 Notify Customers8 | ||
| Primary Function | Payment Reminders | SMS Marketing Campaigns |
Primary Function Kindly: Payment Reminder ProPayment Reminders Notify CustomersSMS Marketing Campaigns | ||
| Target Use Case | Recovering Unpaid Invoices | Promoting Sales, Gathering Feedback, Sharing Updates |
Target Use Case Kindly: Payment Reminder ProRecovering Unpaid Invoices Notify CustomersPromoting Sales, Gathering Feedback, Sharing Updates | ||
| Key Feature Differentiation | Not Specified | Image Support in Texts, Campaign Scheduling, 1-on-1 Conversation |
Key Feature Differentiation Kindly: Payment Reminder ProNot Specified Notify CustomersImage Support in Texts, Campaign Scheduling, 1-on-1 Conversation | ||
| Ease of Use (Assumed) | Likely Easier - Single Function Focus | Potentially More Complex - Multi-Functional Platform |
Ease of Use (Assumed) Kindly: Payment Reminder ProLikely Easier - Single Function Focus Notify CustomersPotentially More Complex - Multi-Functional Platform | ||
| Value Proposition | Reduced Unpaid Invoices, Improved Cash Flow | Increased Customer Engagement, Repeat Business, Sales Growth |
Value Proposition Kindly: Payment Reminder ProReduced Unpaid Invoices, Improved Cash Flow Notify CustomersIncreased Customer Engagement, Repeat Business, Sales Growth | ||
| Customer Sync | Not specified | Automatic Sync from Shopify or Upload List |
Customer Sync Kindly: Payment Reminder ProNot specified Notify CustomersAutomatic Sync from Shopify or Upload List | ||
Our Verdict
For merchants primarily concerned with recovering revenue from unpaid invoices, Kindly: Payment Reminder Pro is the more direct and likely simpler solution. Its focused functionality addresses a specific pain point. However, if a merchant's goal is to proactively engage customers with a variety of marketing messages, promote sales, gather feedback, and foster ongoing relationships through SMS, then Notify Customers, with its campaign scheduling, image support, and 1-on-1 conversation features, is the better choice. It's a more comprehensive SMS marketing platform designed for broader customer engagement strategies.
Common Questions
Which app is easier to set up and use?
Given its single, focused function, Kindly: Payment Reminder Pro is likely easier to set up and use than Notify Customers, which offers a wider array of features and campaign options. However, ease of use will also depend on the merchant's technical expertise and specific needs.
Which app is more cost-effective?
Without pricing information, it's impossible to definitively say which app is more cost-effective. The best choice depends on the merchant's budget and the volume of reminders or SMS messages they plan to send.
Can both apps integrate with other marketing tools?
While the provided descriptions don't specify integrations, it's likely that both apps offer some level of integration with other marketing tools, depending on their respective development roadmaps in 2026. Merchants should investigate specific integration options based on their existing marketing stack.
Which app is better for building long-term customer relationships?
Notify Customers, with its SMS marketing campaign capabilities, ability to send images and schedule campaigns, and support for 1-on-1 conversations, is better suited for building long-term customer relationships. Kindly is focused more on resolving a specific financial issue.
Which app is better for a small business with limited marketing resources?
It depends on the businesses goals. If a major pain point is chasing unpaid invoices, Kindly is the better choice as it addresses this problem directly. If the business wants a broader marketing tool to increase customer engagement, Notify Customers is the better choice.
Get More From Your Shopify Store
Run audits for SEO, CRO, PageSpeed, and AI visibility. Get a clear report and actionable fixes.
Try Fix My Store