So your literature review has outgrown the free plan? Here's how to upgrade to RR+ and unlock up to 300 seed articles, advanced filters and multiple projects.
You can upgrade to RR+ at any time from inside ResearchRabbit. Payment is handled securely through Stripe.
Steps to upgrade
Click the Upgrade button in the top right corner
Choose Annual (20% off) or Monthly, and check the price shown matches the plan you want
Click Subscribe
This opens the Stripe checkout page
Enter your payment details
Click Pay and subscribe to confirm
Your RR+ features unlock as soon as your payment goes through.
🌏 Sound like a lot where you're from? You may be eligible for a discount through our RR+ Country Discounts scheme.
Got a promo code?
When you upgrade, you'll be taken to our secure Stripe checkout. Just click "Add promotion code" under the order summary, enter your code and hit Apply. You'll see the discount reflected before you pay.
What do I get with RR+?
Great question! We've written a full guide on this here, but here's the lowdown on what you get with RR+:
Up to 300 Seeds for large-scale reviews (the free plan allows up to 50)
Filters, including keywords, publication date, journal quality (SJR quartile and H-index) and open access
Explore matching articles in Analyze, to open the papers that match your filters as a Rabbit-hole
Multiple projects to keep each paper’s articles and notes separate
Zotero sync to keep your Zotero collections and ResearchRabbit in step
Project Alerts to get new papers that build on your research, weekly or monthly
Unlimited Search History (the free plan keeps the last 7 days)
Article Risk Badges powered by Signals
Faster support responses
Common questions
Can I switch between monthly and annual billing?
Yes, at any time. See Change your RR+ subscription.
What happens if I cancel?
You keep RR+ until the end of your current billing period. After that, your account moves to the free plan, and your collections and papers stay in your library. See Cancel your RR+ subscription.
Can my university pay for RR+?
Yes, institutions can give their students and staff RR+. See Can I get access through my university?
I’ve paid, but I don’t see RR+. What should I do?
RR+ should switch on as soon as your payment goes through. Try refreshing the page, or signing out and back in. If it still isn’t showing, contact us. See How do I get support in ResearchRabbit?