Helps founders who shipped an app or SaaS get their first paying users organically through X, LinkedIn, Instagram, YouTube and Reddit.
https://firstuser.si
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FirstUser exists for the gap after shipping: the product works, but nobody knows it exists. You send your link and a real person on the team reviews it within 24 hours — opening the app and using it properly — then decides whether they can actually get it paying users on X, LinkedIn, Instagram, YouTube and Reddit. The example review on the site scores readiness across message, funnel, market and product (e.g. 'Headline says what the app does, but not who it is for', 'Signup asks for 6 fields before showing value', 'No pricing page, so visitors can't self-qualify') and ends in a verdict: whether they can help and what to fix first. There are two ways to work with them. The agency path is a free review, and if they can grow the app, their team does the work at $599/month per app. There is also an AI agent that produces viral content formats you run yourself, priced from $10/month. Monthly billing, cancel anytime, and no card is needed for the free review.
Indie founders and solo developers who have shipped an app, SaaS or web app and need their first paying users without paid ads.
Getting a human review of whether a product can be grown organically; turning a shipped app into its first paying users; generating repeatable content formats for X/LinkedIn/Reddit; deciding what to fix (message, funnel, pricing page) before promoting.
Freemium
Individual plan prices are not publicly listed. Check the official site for current pricing.
Free review $0 (no card, a human reviews within 24 hours). Agency Growth is $599/month per app, with a Custom tier by contact. The AI agent is $10/month for one app or $29/month for four apps plus YouTube and Reddit. Monthly billing, cancel anytime.
Pricing and availability last checked: Oct 28, 2026 · Source: official website
A privacy policy is published ('Your data, in plain words') describing what FirstUser collects when you request a review or use the agent.
The review is done by a person who actually opens the product, and the sample output shows specific, actionable findings rather than an automated score.
The agency plan is a $599/month commitment per app, and a free review does not guarantee they take the job — they say they don't take on everything.
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