Which is better, ChurnZero or ClientSuccess?

ChurnZero edges out ClientSuccess based on user ratings across 699 reviews. That said, the best pick depends on your workflow — ClientSuccess may be a stronger fit for specific team sizes or use cases. Review the full comparison to decide.

What are the main differences between ChurnZero and ClientSuccess?

Key differences between ChurnZero and ClientSuccess include free trial availability (ChurnZero offers one, ClientSuccess does not). Use the Spotsaas comparison table to evaluate each dimension before deciding.

Do both ChurnZero and ClientSuccess offer a Free trial?

ChurnZero offers Free Trial, but ClientSuccess does not.

Who are the typical users of ChurnZero?

ChurnZero is designed for Large Enterprises, Medium Business, Small Business.

Who are the typical users of ClientSuccess?

ClientSuccess is designed for Large Enterprises, Medium Business, Small Business.

What is the starting price of ChurnZero and ClientSuccess?

Pricing details for both ChurnZero and ClientSuccess are unavailable.

What are the best alternatives to ChurnZero?

Some top alternatives to ChurnZero include Parlor, ClientSuccess, Totango, Custify, Salesmachine.

What are the best alternatives to ClientSuccess?

Some top alternatives to ClientSuccess include Parlor, ProsperStack, Custify, Salesmachine, Catalyst.

ChurnZero vs ClientSuccess vs Custify Comparison

Last updated: May 18, 2026

ChurnZero

4.6(699 reviews)

Starting at Contact for pricing

Free Trial
Large Enterprises
Medium Business

ChurnZero is a customer success software that helps SaaS companies increase customer lifetime value. It automatically track customer experience through NPS, MQL, SQL, renewal surveys and integration with CRMs to determin…

View Pricing Read Reviews

ClientSuccess

4.5(229 reviews)

Starting at Contact for pricing

Large Enterprises
Medium Business

Clientsuccess is a customer success software that helps to keep team members regularly reporting in a project management platform. It has a great list of features that help SmarterTools clients address the most common pa…

View Pricing Read Reviews

Custify

5.0(117 reviews)

Starting at $999

Individuals
Freelancers / Consultants

Custify is a Customer Success platform that helps to deliver great customer service in an engaging way. Build instant customer knowledge, resolve FAQs, understand customers, display webpages automatically in their langua…

View Pricing Read Reviews

ChurnZero leads on user satisfaction with a 4.6-star rating across 699 reviews.

ChurnZero vs ClientSuccess vs Custify — at a glance

Feature	ChurnZero	ClientSuccess	Custify
Rating	4.6 / 5	4.5 / 5	5.0 / 5
Reviews	699	229	117
Starting price	Contact for pricing	Contact for pricing	$999
Free trial	Yes	No	No
Free version	No	No	No
Best for	Large Enterprises, Medium Business, Small Business	Large Enterprises, Medium Business, Small Business	Individuals, Freelancers / Consultants, Large Enterprises
Category	Customer Success Software	Customer Success Software	Customer Success Software
Platforms	SaaS/Web/Cloud	SaaS/Web/Cloud	SaaS/Web/Cloud
API	Available	Available	Available
Support modes	Business Hours, Online	Business Hours	Business Hours, Online
Certifications	SOC 2, GDPR	SOC 2, GDPR	GDPR
Data residency	US	US	US

Key differences between ChurnZero and ClientSuccess

Free trial: ChurnZero offers a free trial; ClientSuccess does not.
User satisfaction: ChurnZero scores higher with a 4.6-star average.
Deployment: ChurnZero supports SaaS/Web/Cloud; ClientSuccess supports SaaS/Web/Cloud.

Compare ChurnZero vs ClientSuccess vs Custify — and walk away knowing which one fits.

Which tool fits your team best

Which is actually cheaper for your team size

Where each product wins, per real buyers

Most Customer Success Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Biggest differences

Features

Pricing

Buying details

Security

Buyer feedback

Integrations

Product tour

Other options

	ChurnZero (749) Talk to an expert Talk to an expert	ClientSuccess (169) Talk to an expert Talk to an expert	Custify (200) Talk to an expert Talk to an expert

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Biggest differences

Affiliate Disclosure

Start here before you go deeper into features.

ChurnZero

Best for SaaS firms boosting customer retention via automated health tracking.

Choose if

You are a SaaS company with subscription revenue seeking to increase customer lifetime value.
Your customer success team needs integrated tools for onboarding, surveys, and CRM data syncing.
You require automated tracking of customer health metrics like NPS and renewal likelihood.

Consider alternatives if

You run a small business without a dedicated customer success team or subscription model.
You need transparent pricing upfront or a simpler, less complex setup process.

ClientSuccess

Best for medium to large teams needing integrated customer success and project management.

Choose if

You require automatic tracking of customer conversations to streamline communication.
Your team benefits from personalized email automation to enhance client engagement.
You need combined project management and sales opportunity tracking in one platform.

Consider alternatives if

You are a freelancer or solo consultant without a dedicated customer success team.
You prefer transparent, publicly available pricing and simpler setup processes.

Custify

Best for SaaS companies needing tailored, multilingual customer success solutions.

Choose if

You require instant, automated customer knowledge building to enhance support.
Your team needs multilingual webpage display to engage diverse customer bases.
You want a flexible platform that can be tailored to specific business challenges.

Consider alternatives if

You need extensive out-of-the-box integrations for complex workflows.
You are an individual or freelancer seeking simple, low-complexity tools with transparent pricing.

ChurnZero: Best for SaaS firms boosting customer retention via automated health tracking. ClientSuccess: Best for medium to large teams needing integrated customer success and project management.

Description	ChurnZero is a customer success software that helps SaaS companies increase customer lifetime value. It automatically track customer experience through NPS, MQL, SQL, renewal surveys and ... Read More about ChurnZero	Clientsuccess is a customer success software that helps to keep team members regularly reporting in a project management platform. It has a great list of features that help SmarterTools ... Read More about ClientSuccess	Custify is a Customer Success platform that helps to deliver great customer service in an engaging way. Build instant customer knowledge, resolve FAQs, understand customers, display ... Read More about Custify
Entry Level Pricing	Not Available	Not Available	Starts from $999
Free Trial Availability	Free Trial available	No free trial	No free trial
User Ratings Based on verified Spotsaas reviews	4.6 (699)	4.5 (229)	5 (117)
Best Company Size	51-500 employees500+ employees	Medium BusinessLarge Enterprises	Small BusinessMedium Business
	Get pricing help	Get pricing help	Get pricing help

Software Demo

Demo

Need a second opinion?

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Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

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Step 1 of 4

How big is your team?

We tailor recommendations to companies your size.

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Compare ChurnZero, ClientSuccess and Custify on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option
Starting From	Not Available	Not Available	$999
Pricing Plans	Not Available	Not Available	Not Available
	View detailed pricing	View detailed pricing	View detailed pricing

Other Details

Organization Types supported	Small Business Large Enterprises Medium Business Individuals Freelancers	Small Business Large Enterprises Medium Business Individuals Freelancers	Small Business Large Enterprises Medium Business Individuals Freelancers
Platforms Supported	Mobile - Android Mobile - iOS Browser Based (Cloud) Installed - Windows Browser Based (Cloud)	Mobile - Android Mobile - iOS Browser Based (Cloud) Installed - Windows Browser Based (Cloud)	Mobile - Android Mobile - iOS Browser Based (Cloud) Installed - Windows Browser Based (Cloud)
Modes of support	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online	24/7 (Live rep) Business Hours Online
API Support	Available	Available	Available
	Get help choosing	Get help choosing	Get help choosing

Security & Compliance

Certifications, data handling, and security controls for IT and compliance evaluators.

SOC 2	✓ Yes	✓ Yes	—
HIPAA	✗ No	✗ No	✗ No
GDPR	✓ Yes	✓ Yes	✓ Yes
ISO 27001	✗ No	✗ No	—
Single Sign-On (SSO)	✓ Yes	✓ Yes	—
Multi-Factor Auth (MFA)	✓ Yes	✓ Yes	—
Data Encryption	✓ Yes	✓ Yes	—
Audit Logs	✓ Yes	✓ Yes	—
Data Residency	🇺🇸 US	🇺🇸 US	🇺🇸 US

ChurnZero vs ClientSuccess User Reviews & Rating Comparison

User Ratings	4.6 (based on 699 reviews)	4.5 (based on 229 reviews)	5 (based on 117 reviews)
Rating Distribution	723 23 2 0 1	151 16 2 0 0	200 0 0 0 0
Spotsaas Editor’s POV generated by AI	Buyer sentiment Buyers generally express positive sentiment about ChurnZero’s comprehensive customer success features and CRM integrations, though some note pricing and setup complexity as drawbacks. What buyers like Comprehensive customer success functionality Effective CRM integration Automation of customer health tracking Common complaints Pricing transparency Setup complexity	Buyer sentiment Buyers generally rate ClientSuccess positively for its automation and integrated features but note concerns about pricing transparency and setup complexity. What buyers like Automation of customer communication Project management integration Personalized email capabilities Common complaints Lack of pricing transparency Complexity for smaller teams	Buyer sentiment Buyers express very positive sentiment, highlighting effective customer knowledge features and tailored solutions. What buyers like Customer knowledge building Multilingual support Customization and tailoring Common complaints Pricing transparency Integration options
Pros and Cons	Automated tracking of customer health through NPS and renewal surveys Integration capabilities with popular CRMs for seamless data flow Comprehensive tools covering onboarding, email marketing, and analytics Pricing is not publicly available, requiring sales contact for quotes May be complex to set up for smaller teams without dedicated resources	Automatic tracking of customer conversations Personalized email automation Integrated project and opportunity management Pricing is quotation based and not publicly available Potentially complex setup for smaller teams	Instant customer knowledge building Automated multilingual webpage display Tailored solutions for real business challenges Lack of publicly available pricing information Limited details on integrations and automation capabilities
Positive Reviews	No reviews available for the product	No reviews available for the product	No reviews available for the product
	Read reviews	Read reviews	Read reviews

List of Customers

Customers	No Customers information available.	Peek Mural Centrify	No Customers information available.

Media and Screenshots

Screenshots	2 Screenshots	1 Screenshots	No screenshots available.
Videos	2 Videos	1 Videos	4 Videos

Alternatives

Alternatives	Parlor ClientSuccess 4.5 Totango 4.2	Parlor ProsperStack Custify 5	Parlor ClientSuccess 4.5 ProsperStack

Frequently asked questions

Which is better, ChurnZero or ClientSuccess?: ChurnZero edges out the other on user ratings (4.6 vs 4.5). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
Do ChurnZero and ClientSuccess offer a free trial?: ChurnZero offers a free trial. ClientSuccess does not.
What is the starting price of ChurnZero vs ClientSuccess?: ChurnZero starts at Contact for pricing. ClientSuccess starts at Contact for pricing.
What are the top alternatives to ChurnZero?: Top alternatives to ChurnZero include Parlor, ClientSuccess, Totango, Custify, Salesmachine.
What are the top alternatives to ClientSuccess?: Top alternatives to ClientSuccess include Parlor, ProsperStack, Custify, Salesmachine, Catalyst.

ChurnZero vs ClientSuccess vs Custify Comparison

ChurnZero

ClientSuccess

Custify

ChurnZero vs ClientSuccess vs Custify — at a glance

Key differences between ChurnZero and ClientSuccess

Compare ChurnZero vs ClientSuccess vs Custify — and walk away knowing which one fits.

ChurnZero

ClientSuccess

Custify

Download this ChurnZero vs ClientSuccess vs Custify comparison

Biggest differences

Description

Entry Level Pricing

Free Trial Availability

User Ratings

Best Company Size

Software Demo

Demo

Get shortlist help from a software advisor

How big is your team?

Compare ChurnZero, ClientSuccess and Custify on pricing

Other Details

Organization Types supported

Platforms Supported

Modes of support

API Support

Security & Compliance

ChurnZero vs ClientSuccess User Reviews & Rating Comparison

List of Customers

Customers

Media and Screenshots

Screenshots

Videos

Alternatives

Related Blogs and Articles for Customer Success Software

Frequently asked questions