Velyr
Summary
CRO tooling gives you heatmaps, A/B test frameworks, and a backlog of recommendations you never have time to ship — Velyr skips the report and opens the Pull Request instead.
Every Monday, the agent reads your PostHog analytics, scans your GitHub repo, picks the single highest-impact conversion problem across your full funnel, and opens a PR with a Vercel preview attached. You reply YES or NO over Telegram — nothing merges without your explicit sign-off, and you see the exact diff before deciding. If a merged change causes site-wide bounce rate to spike by 15 percentage points within 48 hours, Velyr opens a revert PR automatically. That loop works well for React, Next.js, and Vite sites on Vercel. It stops entirely if your stack is Shopify, Webflow, or anything else that does not expose source code.
Bottom line: Pick this if you run a Next.js SaaS on Vercel and want conversion fixes shipping without manual CRO work — plan a different approach if your site lives on a platform that does not give you a GitHub repo to merge into.
Pricing Plans
Subscription- Price
- €29/mo
Growth Agent
One high-impact conversion fix per week as GitHub PR
- Weekly automatic or on-demand runs
- Telegram approval
- 48h auto-rollback
View full pricing on velyr.io →
Pricing may have changed since last verified. Check the official site for current plans.
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Pros
Sign in to edit- Writes actual code and opens a PR rather than a list of suggestions, so conversion improvements ship instead of sitting in a backlog waiting for an engineer to pick them up.
- Telegram-gated approval on every change, meaning nothing merges without your explicit YES and a review of the exact diff — you never discover a surprise change in production.
- Automatic rollback PR triggered if bounce rate spikes by 15 percentage points within 48 hours, so a bad fix does not require you to diagnose the damage and manually revert it.
- Full-funnel analysis across every page in the repo cross-referenced against PostHog data, so the agent finds drop-off points beyond the homepage that manual CRO reviews routinely miss.
- Brand Guardrails let you define rules the agent must respect before a suggestion reaches you, which means you are not reviewing and rejecting off-brand copy changes every week.
Cons
Sign in to edit- Hard-locked to React, Next.js, or Vite on Vercel with GitHub and PostHog — a team on Remix, deployed to AWS, or using Mixpanel cannot use this tool at all and needs a different solution from the start.
- One fix ships per week, decided by the agent's prioritization model. Teams running a high-volume A/B testing program that needs multiple concurrent experiments or manual hypothesis control will hit that constraint immediately and require a dedicated experimentation platform instead.
- The rollback threshold is fixed at a 15-percentage-point bounce rate spike — teams with volatile traffic, seasonal patterns, or low-volume sites where that threshold fires on noise rather than signal have no way to adjust it and will open rollback PRs they did not actually want.
- No API is available, so Velyr cannot be triggered by external events, integrated into a CI pipeline, or connected to internal tooling — the workflow is the workflow, and teams that need to embed conversion automation into a broader system will find this a closed box.
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About
- Platforms
- Web (GitHub + Vercel/Netlify/etc.)
- API Available
- No
- Self-Hosted
- No
- Last Updated
- 2026-06-18T03:37:46.870Z
Best For
Who it's for
- React/Next.js/Vite teams on Vercel or similar hosts
- Product teams wanting automated conversion experiments
- Users who prefer PR-based changes with explicit approval
What it does well
- Automating weekly conversion rate improvements on marketing sites
- Generating and shipping code fixes for pricing pages, signup forms, and onboarding flows
- Monitoring analytics-driven optimization without manual CRO work
Integrations
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Frequently Asked Questions
- Is Velyr free?
- Velyr is a paid tool (€29/mo). A 14-day free trial is available.
- Is Velyr open source?
- No — Velyr is a closed-source tool. Source code is not publicly available.
- What platforms does Velyr support?
- Velyr is available on: Web (GitHub + Vercel/Netlify/etc.).
Hours Saved & ROI Stories Community
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Curated lists that include this category
Most conversion optimization tools hand you a prioritized list and walk away. Velyr is an agent that reads your PostHog analytics — traffic, bounce rate, scroll depth, click behavior — scans every page in your GitHub repository, identifies the single highest-leverage conversion problem across your full funnel each week, and opens a Pull Request against your existing repo with a Vercel preview URL. You get a Telegram message with the problem, the data behind it, and the proposed fix. Reply YES and it merges. Reply NO and nothing changes. The cycle restarts the following Monday.
The differentiating mechanism is not the analysis — it is the automatic safety net. Forty-eight hours after a merge, the agent re-checks site-wide bounce rate. If it has risen by 15 percentage points or more, Velyr opens a rollback PR without you asking. That is a measured revert against a specific threshold, not a vague rollback promise. It also respects written Brand Guardrails — rules the vendor describes as filters that reject off-brand suggestions before they surface to you — and tracks competitors as additional context for its recommendations.
The fit is narrow and deliberate. This agent is built for React, Next.js, or Vite sites deployed on Vercel with a connected GitHub repository and PostHog for analytics. Indie founders and small SaaS teams who want ongoing conversion work without hiring a CRO agency are the stated audience. The tool does not support site builders — Shopify, Wix, Squarespace, Webflow — because the agent edits source code directly and those platforms do not expose it. Teams on different analytics stacks, different deployment targets, or without a public GitHub repo are also outside the supported configuration.