Find the Best Revenue Recovery Alternative
Evaluating your dunning tool options? We compare Rezoki against every major competitor so you can make an informed decision.
Churnkey
Churnkey is a retention platform best known for its cancel-flow optimization — intercepting customers at the moment they try to cancel and offering incentives to stay. It also includes payment recovery features like email dunning and retry logic. Churnkey integrates primarily with Stripe and offers churn analytics dashboards alongside its retention tools.
CompareGravy Solutions
Gravy Solutions is a managed payment recovery service that uses a team of real human agents to contact customers with failed payments via phone, email, and SMS. They position themselves as a "done-for-you" service and have recovered over $500M for clients. Gravy focuses on building personal relationships with subscribers to encourage payment updates.
CompareChurn Buster
Churn Buster is one of the original SaaS dunning platforms, focused on automated email sequences for failed payment recovery. They offer well-designed email templates, retry scheduling, and analytics for tracking recovery rates. Churn Buster has been in the market since 2014 and has a strong reputation for email-based dunning.
CompareBaremetrics Recover
Baremetrics Recover is a payment recovery add-on within the Baremetrics analytics suite. It provides automated email dunning, in-app payment update forms, and basic retry logic. Baremetrics itself is primarily a subscription analytics tool — Recover was added as a complementary feature to help customers act on their churn data.
CompareProfitWell Retain
ProfitWell Retain was a popular payment recovery tool known for its data-driven approach to reducing involuntary churn. Originally part of the free ProfitWell analytics suite, Retain offered smart retry logic and email dunning. In 2022, Paddle acquired ProfitWell and has been gradually integrating it into the Paddle ecosystem as "Paddle Retain."
ComparePaddle Retain
Paddle Retain is the rebranded version of ProfitWell Retain, integrated into Paddle's merchant-of-record billing platform. It offers payment retry optimization and email dunning for businesses using Paddle for payment processing. As a merchant-of-record, Paddle handles billing, taxes, and compliance, but this comes with significant trade-offs for dunning control.
CompareStunning
Stunning is one of the earliest Stripe-specific dunning tools, offering automated email notifications for failed payments, subscription status changes, and trial endings. It provides basic email templates, retry scheduling, and a dashboard for monitoring recovery. Stunning has maintained a simple, straightforward approach to dunning since its launch.
CompareButter Payments
Butter Payments specializes in smart payment retry optimization. Their technology sits between your billing system and the payment processor, using algorithms to determine the optimal time to retry failed payments. Butter focuses exclusively on the retry layer and does not include customer communication features like email dunning or voice calls.
CompareChargebee Retention
Chargebee Retention (formerly Chargebee Receivables) is a retention and dunning module within the Chargebee subscription billing platform. It offers cancel-flow surveys, email dunning, and payment retry logic. Like other billing platform add-ons, Retention is designed to work within the broader Chargebee ecosystem.
CompareFlyCode
FlyCode is a payment optimization platform that focuses on improving payment success rates through smart routing, card network tokenization, and authorization optimization. It works at the payment infrastructure level to reduce decline rates before they become customer-facing failures. FlyCode is primarily an enterprise-focused solution for companies processing high transaction volumes.
CompareChurnZero
ChurnZero is a comprehensive customer success platform designed for mid-market and enterprise SaaS companies. It offers health scoring, product usage analytics, customer journey mapping, and engagement tools. While it includes some payment-related alerting, dunning and payment recovery are minor features within a much larger platform.
CompareRecurly Dunning
Recurly is a subscription billing platform that includes built-in dunning management. Their dunning features offer automated email sequences, configurable retry logic, and account updater integration. Recurly's dunning is designed to work within their billing ecosystem, leveraging their payment optimization engine for retry timing.
CompareFlexPay
FlexPay (which includes the Revaly product) specializes in payment authorization optimization using AI to improve approval rates on recurring transactions. Their technology analyzes decline codes, card characteristics, and timing to optimize how payments are submitted to processors. FlexPay focuses on the pre-failure stage, reducing the number of declines before they happen.
CompareChurnWard
ChurnWard is a churn analytics platform that helps SaaS companies understand why customers leave. It provides dashboards, cohort analysis, risk scoring, and churn prediction models. ChurnWard focuses on analytics and insights rather than automated recovery — it identifies churn risk but doesn't directly recover failed payments.
CompareStripe Smart Retries
Stripe Smart Retries is a built-in feature of Stripe Billing that automatically retries failed subscription payments using machine learning to determine optimal retry timing. It's included free with Stripe Billing and requires no setup. However, it operates as a simple retry mechanism with no customer communication, customization, or transparency into its strategy.
CompareWhy SaaS Teams Switch to Rezoki
Most dunning tools rely on a single channel — usually email — to recover failed payments. Email open rates for payment notifications average just 12-20%, which means most of your customers never even see the message.
Rezoki is different. It combines AI voice calls, AI-generated email sequences, and ML-optimized payment retries into a single platform. When one channel does not work, another does.
With BYOSMTP (bring your own email server), you control deliverability and pay zero extra email costs. Historical scanning recovers past-due payments from the last 90 days starting on day one. And setup takes just 5 minutes via a single Stripe webhook.
60-80%
Recovery rate with multi-channel
5 min
Setup time (one webhook)
90 days
Historical scanning on connect
Ready to Recover More Revenue?
Try Rezoki free and see how AI voice calls, smart retries, and AI email sequences outperform your current dunning tool.