Checkmarx vs What The Diff Comparison
Checkmarx
Starting at Custom paid
- Mid-Market
- Enterprise
Checkmarx is an enterprise application security platform providing SAST, SCA, API security, and AI-assisted security testing in a unified solution. Founded in 2006, Checkmarx is one of the most established names in appli…
What The Diff
Starting at $19 /Month
- Large Enterprises
- Medium Business
What The Diff is an AI-powered code review assistant that simplifies pull requests and helps teams understand changes quickly. With a large set of supported programming languages and no manual work required, What The Dif…
Checkmarx leads on user satisfaction with a 4.3-star rating across 680 reviews.
Checkmarx vs What The Diff — at a glance
| Feature | Checkmarx | What The Diff |
|---|---|---|
| Rating | 4.3 / 5 | — |
| Reviews | 680 | — |
| Starting price | Custom paid | $19 /Month |
| Free trial | No | No |
| Free version | No | No |
| Best for | Mid-Market, Enterprise | Large Enterprises, Medium Business, Small Business |
| Category | Vulnerability Management Software | AI Code Generators |
| Platforms | Cloud, On-Premise | SaaS/Web/Cloud |
| API | Available | Available |
| Support modes | Dedicated CSM, Phone Support, Email Support, Professional Services, SLA | Online |
| Certifications | — | — |
| Data residency | — | US |
Key differences between Checkmarx and What The Diff
- Pricing: Checkmarx starts at Custom paid, while What The Diff starts at $19 /Month.
- Target audience: Checkmarx is built for Mid-Market and Enterprise, while What The Diff targets Large Enterprises and Medium Business.
- Deployment: Checkmarx supports Cloud, On-Premise; What The Diff supports SaaS/Web/Cloud.
Checkmarx vs What The Diff — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Vulnerability Management 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
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Checkmarx vs What The Diff: Biggest differences
Start here before you go deeper into features.
Mid-Market, Enterprise
Large Enterprises, Medium Business, Small Business
Checkmarx typically suits Mid-Market and Enterprise. What The Diff tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Checkmarx is an enterprise application security platform providing SAST, SCA, API security, and AI-assisted security testing in a unified solution. Founded in 2006, Checkmarx is one of the ... Read More about Checkmarx | What The Diff is an AI-powered code review assistant that simplifies pull requests and helps teams understand changes quickly. With a large set of supported programming languages and no ... Read More about What The Diff |
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Entry Level Pricing |
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Free Trial Availability |
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SpotScoreWhat's this? ↗ | 8.6/10 | Not Available |
User RatingsBased on verified Spotsaas reviews | ||
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- Catch What Simpler Tools Miss: Semantic dataflow analysis traces vulnerability paths across function boundaries and files — finding SQL injection where the source is three layers up from the sink.
- One Platform, All AppSec: Consolidate SAST, SCA, API, IaC, secrets, and AI security into one tool rather than managing six separate vendors and dashboards.
- Audit-Ready Compliance Reports: Pre-built PCI-DSS, HIPAA, and SOC2 reports give security teams audit evidence without manual evidence compilation.
No key benefits available yet.
Best fit
- Enterprise software companies running comprehensive SAST on large codebases where false negative rate matters more than scan speed
- Regulated industries (finance, healthcare) needing pre-built compliance reporting alongside security scanning
- Security teams consolidating fragmented AppSec tooling (separate SAST, SCA, API tools) into a single vendor platform
No best-fit guidance available yet.
Software Demo
Demo |  What The Diff has not given any software demo yet If you're the owner of this profile, add your demo.Contact us |
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How do Checkmarx and What The Diff Compare on Features?
Total Features | 8 Features | 6 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Checkmarx and What The Diff 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.
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Checkmarx vs What The Diff: Other Details
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Get help choosing | Get help choosing |
Checkmarx vs What The Diff Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
HIPAA | — | ✗ No |
|---|---|---|
Data Residency | — | 🇺🇸 US |
Checkmarx User Reviews & Rating Comparison
User Ratings | 4.3 (based on 680 reviews) | No reviews available for the product |
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Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is positive across 680 reviews, with strong overall satisfaction. What buyers like
Common complaints
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Common complaints
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Top Alternatives to Checkmarx and What The Diff in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Checkmarx or What The Diff?
- Checkmarx edges out the other on user ratings (4.3 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Checkmarx and What The Diff offer a free trial?
- Neither Checkmarx nor What The Diff currently lists a free trial.
- What is the starting price of Checkmarx vs What The Diff?
- Checkmarx starts at Custom paid. What The Diff starts at $19 /Month.
- What are the top alternatives to Checkmarx?
- Top alternatives to Checkmarx include Semgrep, Aikido Security, Detectify Deep Scan, Netsparker, Snyk.
- What are the top alternatives to What The Diff?
- Top alternatives to What The Diff include Amazon CodeWhisperer, Aider, Cody, Windsurf, Tabnine.