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Head-to-head · Chemistry Simulation Software

PhET Interactive Simulations vs Labster

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score PhET Interactive Simulations #3 in Chemistry Simulation Software 8.9/10 Free plan · paid from $0.99 Free plan✓ 0 of 4 features Visit PhET
Labster #4 in Chemistry Simulation Software 8.7/10 Pricing on request ✓ 0 of 4 features Visit Labster

PhET Interactive Simulations leads on 1 check, Labster on 0, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePhET Interactive Simulations · 8.9/10
  • Free planonly PhET Interactive Simulations

PhET Interactive Simulations scores higher on our rubric for chemistry simulation software: 8.9 against 8.7 out of 10; our editors rank them #3 and #4.

PhET Interactive Simulations offers free plan; Labster doesn't.

PhET Interactive Simulations is the better fit for free, mature general science simulations. Labster is the better fit for institutions needing a large lab library.

  • PhET Interactive Simulations fits best

    Free, mature general science simulations

  • Labster fits best

    Institutions needing a large lab library

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Side by side

Feature PhET Interactive Simulations 8.9/10 Visit ↗ Labster 8.7/10 Visit ↗
At a glance
Editor score 8.9 8.7
Ranking #3 in Chemistry Simulation Software #4 in Chemistry Simulation Software
Best for Free, mature general science simulations Institutions needing a large lab library
Pricing model Free plan + paid Paid
Starting price Free plan · paid from $0.99 Pricing on request
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Desktop, Mobile Cloud
Platforms Web, Windows, macOS, iOS, Android Web
Support Email, Docs Email, Live chat, Docs
Integrations 3 integrations 5 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features PhET Interactive Simulations 0/4 · Labster 0/4
Virtual labs Not checked yet Not checked yet
Molecular modeling Not checked yet Not checked yet
Reaction simulation Not checked yet Not checked yet
Equation tools Not checked yet Not checked yet
Specs
Delivery Not checked yet Not checked yet
Student account limit Not checked yet Not checked yet
Content languages Not checked yet Not checked yet
Our review
Pros
  • Free web simulations with offline desktop and mobile access
  • Covers chemistry plus physics, biology, earth science, math, and statistics
  • Teacher activities, facilitation guidance, translations, and LMS embedding
  • 300+ interactive 3D simulations across science and STEM subjects
  • Unlimited attempts, automatic grading, quizzes, and real-time feedback
  • Integrates with Canvas, Blackboard, Moodle, D2L Brightspace, and Schoology
Cons
  • Broader than chemistry, so it is not a chemistry-only environment
  • Mobile apps cost $0.99 one time on iOS and Android
  • Built-in assessment workflows are not a stated product capability
  • Pricing is customized and requires an institutional purchasing process
  • Web access depends on desktop, laptop, or tablet use
  • Its multi-subject breadth may exceed a narrowly focused chemistry program
Our verdict

PhET Interactive Simulations is a University of Colorado Boulder project for learners and educators in K–12 and higher education. Its library includes interactive simulations for chemistry, physics, biology, earth science, mathematics, and…

Read the review →

Labster provides interactive virtual science labs for high schools, colleges, and universities. Its catalog includes chemistry alongside biology, physics, health sciences, and related STEM subjects, with more than 300 virtual simulations.…

Read the review →
  1. PhET Interactive SimulationsChemistry Simulation Software 8.9Free plan · paid from $0.99
  2. LabsterChemistry Simulation Software 8.7Pricing on request

Strengths and trade-offs

  • PhET Interactive Simulations — where it wins

    • Free web simulations with offline desktop and mobile access
    • Covers chemistry plus physics, biology, earth science, math, and statistics
    • Teacher activities, facilitation guidance, translations, and LMS embedding

    Where it doesn't

    • Broader than chemistry, so it is not a chemistry-only environment
    • Mobile apps cost $0.99 one time on iOS and Android
    • Built-in assessment workflows are not a stated product capability
  • Labster — where it wins

    • 300+ interactive 3D simulations across science and STEM subjects
    • Unlimited attempts, automatic grading, quizzes, and real-time feedback
    • Integrates with Canvas, Blackboard, Moodle, D2L Brightspace, and Schoology

    Where it doesn't

    • Pricing is customized and requires an institutional purchasing process
    • Web access depends on desktop, laptop, or tablet use
    • Its multi-subject breadth may exceed a narrowly focused chemistry program
  • PhET Interactive Simulations8.9/10 · Free plan · paid from $0.99

    A free, broad simulation library for classroom science and mathematics instruction.

    Visit PhETFull verdict →
  • Labster8.7/10 · Pricing on request

    A broad virtual lab library with guided learning, assessment, and LMS integrations.

    Visit LabsterFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update