What is Mocha?

A JavaScript test framework that runs on Node.js and in browser environments. It provides flexible test execution with serial runs for accurate error mapping and reporting.

Independently observed

Mocha pricing

We don't have Mocha's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Mocha does

The capabilities that matter for testing tools, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core
Test types
-
Browser automation
-
Built-in assertion library
Languages
JavaScript
Isolation
Mocking / stubbing
-
Techniques
Snapshot testing
-
Performance
Parallel execution
Insight
Code coverage
-
DX
Watch mode
-
Ops
CI integration
Independently observed

Platform & deployment

Independently observed
Platforms
  • CLI
  • Web

Security & compliance

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

Mocha alternatives

Other testing tools we track, ranked by the same independent score.

All Mocha alternatives, ranked →

Compare Mocha

Side by side against other testing tools, attribute by attribute, with a source on every value.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Mocha, not the verdict.

Balanced composite 70 / 100
low · 43%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Dependent projects970.087.8
Release cadence980.076.6
Development activity480.125.8
Security score730.053.9
Capabilities460.083.8
Stars820.032.7
Integrations00.050.0-
Security posture00.090.0-
Package downloads00.170.0-
Developer Q&A activity00.080.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

AttributeValueEvidence
Commits last 30d33mediumsource · 2026-08-18 · 65%

Adoption

AttributeValueEvidence
Github stars22,905highsource · 2026-08-26 · 90%
Dependent repos683,562highsource · 2026-08-26 · 85%

Features

AttributeValueEvidence
CapabilitiesLanguages: JavaScript · Assertions: Yes · Ci integration: Yes · Parallel execution: Nomediumsource · 2026-08-16 · 60%

Language

AttributeValueEvidence
PrimaryJavaScripthighsource · 2026-08-26 · 90%

License

AttributeValueEvidence
SpdxMIThighsource · 2026-08-26 · 95%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-03 · 60%
Modelfreemediumsource · 2026-08-03 · 60%
Price levelfreemediumsource · 2026-08-03 · 60%
TransparentYesmediumsource · 2026-08-03 · 60%

Release

AttributeValueEvidence
Cadence days4mediumsource · 2026-08-26 · 70%
History20 itemsmediumsource · 2026-08-26 · 70%

Security

AttributeValueEvidence
Scorecard7.3highsource · 2026-08-26 · 90%
VulnerabilitiesCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mocha&per_page=100 · Last 12m: 0highsource · 2026-08-26 · 90%