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ReviewNB

reviewnb.com

From $79/mo Free plan WebSelf-hostedBrowser extension
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Spec score 7.9 #33 of 50 in Code review software

Spec sheet

Purpose
ReviewNB provides rich diffs and cell-level comments for reviewing Jupyter notebook pull requests.Read 11 Oct 2026 · reviewnb.com
Integrations
ReviewNB supports GitHub Enterprise Server, GitHub cloud, and Bitbucket cloud.Read 11 Oct 2026 · reviewnb.com
Support
The Enterprise plan lists priority support, and the site provides [email protected] for contact.Read 11 Oct 2026 · reviewnb.com
Headquarters
IndiaRead 28 Sep 2026 · reviewnb.com
Founded
2018Read 28 Sep 2026 · reviewnb.com
Company
ReviewNB describes itself as a bootstrapped company based in India that has been building the product since 2018.Read 11 Oct 2026 · reviewnb.com
Browser extension
An optional Chrome extension is available for smoother GitHub integration.Read 11 Oct 2026 · reviewnb.com
Comments
Pull request comments are posted to GitHub or Bitbucket, while comments on standalone notebooks are stored with ReviewNB.Read 11 Oct 2026 · reviewnb.com
Data handling
ReviewNB says it does not store repository contents and fetches them from GitHub or Bitbucket on demand.Read 11 Oct 2026 · reviewnb.com
Diffs
It displays changes to notebook code, Markdown, and rendered outputs in a readable diff.Read 11 Oct 2026 · reviewnb.com
Discussions
Reviewers can comment on specific notebook cells, track resolution status, and receive email notifications.Read 11 Oct 2026 · reviewnb.com
GitLab
GitLab is not supported because of a GitLab API limitation.Read 11 Oct 2026 · reviewnb.com
Repository access
On GitHub, users can enable or disable access to individual repositories; on Bitbucket, ReviewNB gets access to all repositories.Read 11 Oct 2026 · reviewnb.com
Self-hosted security
The self-hosted application runs on the customer's servers and does not call back to ReviewNB infrastructure.Read 11 Oct 2026 · docs.reviewnb.com
Token security
Access tokens are stored with AES encryption, and ReviewNB generates a new token when a user logs out and back in; Bitbucket tokens expire in one hour.Read 11 Oct 2026 · reviewnb.com

Plans and prices

Free Free 10 free PRs after the trial · Academic use free forever · Open-source use free forever Read 11 Oct 2026 · reviewnb.com
Team $79 a month per month Up to 10 users · Unlimited private repositories · Unlimited public repositories · 14-day free trial Read 11 Oct 2026 · reviewnb.com
Business $249 a month per month Up to 30 users · Unlimited private repositories · Unlimited public repositories · 14-day free trial Read 11 Oct 2026 · reviewnb.com
Enterprise Priced on request Plans for 30+ users · Unlimited private and public repositories · Priority support · ACH invoicing · Custom ToS Read 11 Oct 2026 · reviewnb.com
Self-Hosting Priced on request Secure self-hosted installation · Priority support · Simple Docker distribution · Works with GitHub Enterprise/Cloud Read 11 Oct 2026 · reviewnb.com

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