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About

Churn Buster is a subscription retention software company that recovers failed payments and prevents cancellations for subscription eCommerce and SaaS businesses. It offers two products that run together or separately. Dunning coordinates retries with branded email and SMS that ask the customer to update their card, and on platforms where Churn Buster runs the retries, it controls their timing. Cancel Flows replaces a one click cancel with a short flow that offers a pause, skip, discount, or plan swap, asks why the customer is leaving, and includes a click-to-cancel option for regulated locations. Churn Buster has handled 50+ million failed payments since 2013, and its retention team has tuned the retry and campaign defaults across 1,000+ accounts. Dunning works with Stripe, Braintree, Recharge, Loop, Skio, Stay AI, Checkout Champ, Seal Subscriptions, Ordergroove, and other subscription platforms. Pricing starts at $269/mo, a flat fee by MRR tier, month to month.

About

ZenLLM is an AI cost optimization platform for engineering teams running LLM applications in production. It connects provider invoices to the application behavior behind them, showing which prompts, workflows, models, customers, retries, and request paths are driving spend. Teams send request-level telemetry through the ZenLLM SDK and can attach business context such as workflow, owner, customer, team, or product feature without storing prompt or response content. It monitors token usage, model selection, latency, errors, retries, and cost, then surfaces the waste patterns hidden by aggregate provider dashboards. It detects context accumulation when conversations or agents resend growing histories, premium-model overuse on low-risk work, retry loops that repeat expensive context, stale system prompts, routing mistakes, anomalies, and weak cost ownership.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Mid-market and enterprise subscription eCommerce brands and SaaS companies that want to recover failed payments and reduce cancellations.

Audience

AI application teams that need to identify waste from prompts, retries, model routing, and workflows to reduce token spending

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$269/mo
Churn Buster charges a flat monthly fee set by your MRR tier, with no cut of recovered revenue, so it pays for itself at about a 1% recovery rate lift. Pricing starts at $269/mo.
Free Version Not Supported
Free Trial Not Supported

Pricing

$49 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Churn Buster
Founded: 2013
United States
churnbuster.io

Company Information

ZenLLM
United States
www.zenllm.io

Alternatives

Alternatives

Butter

Butter

Butter Payments
RetentionLens

RetentionLens

Monrad Ruzt Technology

Categories

Categories

AI Cost Management Supported

Recurring Billing Features

Customer Portal Not Supported
Deferred Billing Not Supported
Discount Management Not Supported
Dunning Management Supported
Invoice History Not Supported
Multi-Currency Not Supported
Multi-Period Recurring Billing Not Supported
Payment Processing Not Supported
Recurring Donations Not Supported
Subscription Billing Not Supported

Subscription Management Features

Cancellation Management Supported
Discount / Coupon Management Not Supported
Dunning Management Supported
Enrollment Management Not Supported
Product Catalog Not Supported
Recurring Billing Not Supported
Revenue Recognition Not Supported
Revenue Recovery Tools Supported
Self Service Portal Not Supported
Subscription Plan Management Not Supported
Tax Management Not Supported
Trial Management Not Supported
Usage Tracking/Analytics Not Supported

Integrations

Braintree Supported
Checkout Champ Supported
Claude Not Supported
Gemini Not Supported
Google Sheets Not Supported
Grok Not Supported
Inveterate Supported
Microsoft Excel Not Supported
Mistral AI Not Supported
OpenAI Not Supported
Ordergroove Supported
Perplexity Not Supported
Recharge Supported
Rivo Supported
Seal Subscriptions Supported
Shopify Supported
Skio Supported
Smartrr Supported
Stay AI Supported
Stripe Supported

Integrations

Braintree Not Supported
Checkout Champ Not Supported
Claude Supported
Gemini Supported
Google Sheets Supported
Grok Supported
Inveterate Not Supported
Microsoft Excel Supported
Mistral AI Supported
OpenAI Supported
Ordergroove Not Supported
Perplexity Supported
Recharge Not Supported
Rivo Not Supported
Seal Subscriptions Not Supported
Shopify Not Supported
Skio Not Supported
Smartrr Not Supported
Stay AI Not Supported
Stripe Not Supported
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Claim Churn Buster and update features and information
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