Screen Recording & Async Video
4.3/5.0
VerifiedFreeLast technical review:
Markdown for AI (.md)

EyesRhythm

Private webcam blink rate detector for macOS and Windows.

Pricing

$0/mo

Free
Score

4.3/5

Last technical review
2026-11-08
Available plansVisit website (opens in a new tab)

Technical Overview

EyesRhythm is a free, private desktop application for macOS and Windows that uses your webcam to measure blink rate and regularity during screen work. It features on-device processing with no cloud video uploads, posture tracking, and dryness alerts, designed for professionals spending long hours at the monitor.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • On-device processing with no video leaving the local machine
  • No account creation or login required to get started
  • Real-time monitoring of blink frequency and regularity

Technical Considerations

  • Available strictly as a desktop client for Mac and Windows
  • Lacks cloud synchronization or centralized team reporting dashboards

Technical Capabilities & Features

3/7
Included:REST & GraphQL API
Not available:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Not available:Role-Based Access Control (RBAC)
Not available:Custom Domains & SSL
Not available:Immutable Audit Logs
Scorecard
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Technical Scorecard: EyesRhythm

82/100
DX & Tech Documentation
Excellent
85/100
Pricing Fairness
Excellent
100/100
Security & Governance
Excellent
90/100
Data Portability & Sovereignty
Excellent
80/100
Performance & Reliability
Improvable
55/100

Time to Value & Fit by Segment: EyesRhythm

Estimated Time-to-Value< 1 hour (Immediate)

Near-instantaneous deployment with minimal technical friction.

Learning CurveLow (Intuitive)

Rapid onboarding for developers without prior training required.

Fit Index by Organization Size

Startup & Agile Teams1 to 50 members
90%
Mid-Market & Scaleup50 to 500 members
80%
Corporate Enterprise500+ members
70%
Pricing & TCO
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Pricing

$0.00/mo

Model: FREE.

Available plans:

  • Free$0/mo

Free Tier Verification:

  • No credit card required
  • Commercial use allowed
  • Unlimited usage with no expiration
  • No mandatory watermarks
Get EyesRhythm (opens in a new tab)

Billing Risks & Hidden Clauses: EyesRhythm

Free Tier Limits:

Gratuito de forma permanente para ambos sistemas operativos sin limitaciones de uso.

Total Cost of Ownership (TCO) Projection: EyesRhythm$0.00/mo
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Licensing Cost (1 to 100+ seats)
$0/forever
Unlimited team members with zero penalties
SSO Tax (SAML Enterprise)
$0no surcharge
No artificial security barriers
3-Year Investment (Software TCO)
$0total
operates under a zero-cost or open-source model. Licensing TCO is identical:
Usage Surcharges & Bill Shock Simulator: EyesRhythmWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 10 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 50 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 250 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 1,000 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Security & Data Exit
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Compliance & Security Standards: EyesRhythm

SOC 2 Type IINot reported
ISO 27001Not reported
GDPR / RGPDNot reported
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇺🇸United States [US]Immune to US CLOUD Act (EU Sovereign)DPA On Request
SSO Availability (SAML Enterprise)
No SSO Documented
Data Residency
SELF_HOSTED
AI Privacy Policy
Zero customer data retention
Data Liberation & Migration Runbook: EyesRhythmJSON · CSV
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
JSONCSV
Password Hash Portability
Locked: Proprietary Algorithm / No Export

Credential hashes are guarded under proprietary algorithms and cannot be exported.

CLI Command / Rescue Endpoint
N/A
Exit Protocol & Migration Notes

Al tratarse de una aplicación de escritorio de código abierto o gratuita basada localmente sin almacenamiento de datos en la nube, no requiere procedimientos complejos de exportación.

Deployment & Infrastructure Requirements: EyesRhythmDocker
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageTypeScript / Go / Rust
Code LicenseOpen Source
Docker CLI Directive
docker run -d --name eyesrhythm -p 8080:8080 eyesrhythm:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of EyesRhythm

74/100 Technical Trust

Frequent Praises in Production

  • On-device processing with no video leaving the local machine
  • No account creation or login required to get started
  • Real-time monitoring of blink frequency and regularity

Reported Production Frictions

  • Available strictly as a desktop client for Mac and Windows
  • Lacks cloud synchronization or centralized team reporting dashboards
Commercial Treatment & Vendor Lock-in:1-Click Cancellation

Immediate cancellation from account settings without phone calls or forced retention.

Frequently Asked Technical Questions (EyesRhythm)

Are webcam images uploaded to any external servers?

No. All webcam processing executes locally on your machine, ensuring absolute data privacy and confidentiality.

Is an account required to download and use EyesRhythm?

No user account creation or sign-up is required to download and run the desktop application on your system.

Which operating systems are supported by the desktop app?

EyesRhythm provides native installers compatible with both macOS and Windows operating environments.

Direct Alternatives

All tools in EyesRhythm
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