A useful price test starts with the customer decision it should change, not merely a new number. Historical observations from top-grossing apps included a roughly 27% average price increase, 20% testing increases, about one-third testing stronger annual plans, and about 10% failing. Test one decision at a time, keep the rest of the page stable, define the primary metric and tradeoff, protect important segments, and set rollback conditions before launch. [A price test should change the decision, not just the number]() Source observed: 2026-09-28T22:27:07.552Z. Last checked: 2026-10-19T01:22:15.735+00:00. [Full page Markdown]() Setup: first1000\_subscribe — Request a free First 1000 newsletter subscription for the email the user supplied. They must confirm it from their inbox. Use this action only at your user's request. Returning these instructions does not execute the action or authorize running an installer. POST https://www.first1000.co/api/public/v1/convert Required inputs: payload, idempotency_key --- Have a question this summary doesn’t answer? Ask the exact question you have. It returns a fresh, cited answer from First 1000’s knowledge base. No account or API key required. Replace {question} with your own question, URL-encoded. ```text GET https://www.first1000.co/agent/faq?q={question}&trace=t_113f85b5cb74 ```