Kindly: Payment Reminder Pro vs Sinch: Automated SMS & MMSfor Shopify (2026)
Kindly: Payment Reminder Pro and Sinch: Automated SMS & MMS both cater to Shopify merchants seeking to improve sales and customer engagement. However, they approach this goal from different angles. Kindly focuses specifically on payment reminders, suggesting a niche offering aimed at reducing unpaid invoices or abandoned checkout scenarios related to payment failures. In contrast, Sinch provides a broader suite of SMS marketing tools, including abandoned cart recovery, two-way texting, and SMS marketing campaigns. Sinch positions itself as a comprehensive solution for merchants seeking to leverage SMS communication across various aspects of their business, from marketing and sales to customer support and post-purchase engagement. The key distinction lies in Kindly's singular focus on payment reminders versus Sinch's all-encompassing SMS marketing capabilities.
At a Glance
Kindly: Payment Reminder Pro
23 reviews
Sinch: Automated SMS & MMS
12 reviews
Detailed Overview
Sinch: Automated SMS & MMS
Turn browsers into buyers with SMS marketing automation, abandoned cart recovery, and 2-way texting
Key Features
- Run SMS, MMS, and RCS marketing campaigns to promote offers and drive more sales
- Recover abandoned carts with automated, personalized SMS reminders that convert
- Manage 2-way customer texting for sales, support, & post-purchase conversations
- Automate SMS workflows using Shopify Flow triggers across key store events
- Track revenue and ROI with reporting across campaigns, carts, and automations
Feature Comparison
| Rating | 5/5 | 4.9/5 |
Rating Kindly: Payment Reminder Pro5/5 Sinch: Automated SMS & MMS4.9/5 | ||
| Reviews | 23 | 12 |
Reviews Kindly: Payment Reminder Pro23 Sinch: Automated SMS & MMS12 | ||
| Focus | Payment Reminders | Comprehensive SMS Marketing |
Focus Kindly: Payment Reminder ProPayment Reminders Sinch: Automated SMS & MMSComprehensive SMS Marketing | ||
| Key Features | Not specified but assumed to be focused on payment reminders | SMS/MMS campaigns, Abandoned cart recovery, 2-way texting, Shopify Flow automation, Revenue & ROI reporting |
Key Features Kindly: Payment Reminder ProNot specified but assumed to be focused on payment reminders Sinch: Automated SMS & MMSSMS/MMS campaigns, Abandoned cart recovery, 2-way texting, Shopify Flow automation, Revenue & ROI reporting | ||
| Target Merchant | Merchants prioritizing payment collection and reducing failed payments | Merchants seeking a full-fledged SMS marketing solution with broad capabilities |
Target Merchant Kindly: Payment Reminder ProMerchants prioritizing payment collection and reducing failed payments Sinch: Automated SMS & MMSMerchants seeking a full-fledged SMS marketing solution with broad capabilities | ||
| Pricing Information | Not specified | Not specified |
Pricing Information Kindly: Payment Reminder ProNot specified Sinch: Automated SMS & MMSNot specified | ||
| Customer Support | Not specified | Implied through 2-way texting feature |
Customer Support Kindly: Payment Reminder ProNot specified Sinch: Automated SMS & MMSImplied through 2-way texting feature | ||
| Ease of Use | Likely straightforward given its focused function | Install in minutes, connect your data, and start sending reliably at scale |
Ease of Use Kindly: Payment Reminder ProLikely straightforward given its focused function Sinch: Automated SMS & MMSInstall in minutes, connect your data, and start sending reliably at scale | ||
| Value Proposition | Improve cash flow by efficiently reminding customers about payments | Drive sales, improve customer engagement, and track ROI through comprehensive SMS marketing automation |
Value Proposition Kindly: Payment Reminder ProImprove cash flow by efficiently reminding customers about payments Sinch: Automated SMS & MMSDrive sales, improve customer engagement, and track ROI through comprehensive SMS marketing automation | ||
Our Verdict
For Shopify merchants primarily concerned with recovering outstanding payments and simplifying the payment reminder process, Kindly: Payment Reminder Pro could be a suitable choice due to its specialized focus. However, for businesses seeking a more versatile and robust SMS marketing platform capable of handling marketing campaigns, abandoned cart recovery, customer support via SMS, and performance tracking, Sinch: Automated SMS & MMS presents a more comprehensive solution. Given Sinch's broader feature set, it's generally recommended for merchants looking to significantly expand their SMS marketing capabilities.
Common Questions
What are the key differences between Kindly: Payment Reminder Pro and Sinch: Automated SMS & MMS?
Kindly specializes solely in payment reminders, whereas Sinch offers a wider range of SMS marketing features, including abandoned cart recovery, two-way texting, and marketing campaigns.
Which app is better for abandoned cart recovery?
Sinch is the better option for abandoned cart recovery, as it explicitly includes this functionality in its feature set. Kindly's focus is on payment reminders generally, and may or may not extend to abandoned carts.
Which app is easier to use?
Both apps claim ease of use. Sinch mentions 'Install in minutes, connect your data, and start sending reliably at scale' hinting at a simple setup process.
Which app is better for merchants who need two-way communication with customers?
Sinch is explicitly designed for two-way customer texting to support sales, customer support, and post-purchase conversations.
Which app is better for tracking ROI?
Sinch provides reporting to track revenue and ROI across campaigns, carts, and automations. Kindly does not explicitly state ROI tracking.
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