We help ambitious behavioural science students create and host online experiments easily

  •   Easy-to-use graphical interface – no coding necessary.
  •   Collect behavioural data with accurate reaction times.
  •   Build for free. Pay per respondent.

Hit The Ground Running

Say goodbye to hours of frustration getting your study to work, weeks of face-to-face testing and stressful all-nighters. Whether you’re studying for your undergrad, masters or PhD, Gorilla enables you to run studies online quickly and easily.

Create questionnaires, build tasks and design experiments all within our clear, intuitive, graphical interface. No coding required.

Build your tasks
and questionnaires

Design your experiment

Configure your recruitment


Download your data

Picture of Student Hannah Betts

Hannah Betts

PhD Student, University College London

“Gorilla is designed for psychologists, so it has all the relevant options. I’ve found it really easy to use and very flexible.”

UCL Case Study

Ace Your Dissertation

Reach For The Stars

You’ve worked hard to get to where you are. Gorilla removes the stumbling blocks and lets your scientific skills shine through.


Configure your experiment and deploy it to the world instantly. With access to a planetful of online participants ready to take part, you can collect your data in a fraction of the time it would take in the lab.


Say goodbye to underpowered studies. Gorilla enables you to recruit far larger participant numbers, so you can be sure that you’re seeing real effects.


Stop being WEIRD. Need more diverse participants? Or looking to study a specific demographic? Use Gorilla’s seamless integration with recruitment services such as Prolific, MTurk and SONA to reach diverse or specific populations and meet your recruitment goals.

Aimee Wilde

PhD Student, University of Middlesex

“As a Behavioural Economics MSc student studying an intensive one year course alongside full-time work, Gorilla has been invaluable. I have no idea how I would have setup my experiment without the platform and its amazing team! It’s really great to use whatever level your coding skills are. If you know a little bit of css/html, you can use this in the main Task Editor to customise existing templates. If you’re more advanced, the Code Editor interface gives you great flexibility in using html/javascript etc. so you can really push your experimental design forward.”

Ace your research project with Gorilla

Copy classic psychology tasks straight into your study

Gorilla has a database of classic tasks ready for you to try out and copy into your own studies! We have versions of the Stroop task, memory tasks, flanker tasks, and a Big Five personality trait questionnaire, among many others

Easily create complex experimental designs

When you create an experiment in Gorilla, you add building blocks called nodes, which allow you to randomise and counterbalance your conditions, branch your participants, and set participant quotas, among other tools!

Collaborate and share projects

Gorilla lets you share projects with other users, allowing seamless collaboration between you and your classmates – group projects just got so much easier!

Read our ‘How to write an undergraduate dissertation in psychology’ guide

We promise you greater efficiency, fewer headaches and data skills that will be valued in industry

Win tokens for your PhD research project

We run an annual competition for PhD students and early career researchers (Gorilla Grants) for tokens to run your own research project. Sign up for an account and register your interest to make sure you don’t miss the announcement

Read about other students’ experiences using Gorilla

Our Spotlights page contains testimonials from lots of Gorilla users

Alex Hendry

PhD Student, Kings College London

“Gorilla lets me take my experiments online quickly and efficiently. The clear and straightforward interface allows me to map out the logic of my experimental designs, whilst its modular nature helps me to build and test components as I go. Taking my research online will dramatically increase my sample size, and help me to reach groups under-represented in my field.”

Light The Fuse

Gorilla is free to start using – you only pay to collect data from participants. You can sign up and start building your experiment today.

Gorilla’s pay per participant model makes small studies very affordable – to recruit 20 participants costs less than a round of drinks.

Undergraduate Projects

Masters Dissertation

PhD Thesis

Contact Us

To see how our tools work, get started with our onboarding videos.

For team or department pricing information, see our Team and Department pricing page.

For questions about data security, GDPR or ethics, read our due diligence guide.

For a list of task builder features, check out our task builder support guide.

Any other questions or queries? Contact us!