All tools
Measuring · 6 of 110 stories
Amplitude
A product analytics service: an app sends it an event for each user action, and it shows how users move through the product and which ones return.
Price: Pay per use on the Plus plan: free up to 2 million events a month, then US$94 a month at 3 million events (read 13 October 2026)
Free plan: yes, limited
amplitude.com
Who uses it, and for what
One row per story. The grade is for the claim that the business uses this tool, not for its revenue.
| Story | What it does there | When | Cost stated | Grade | Source |
|---|---|---|---|---|---|
| Arcads | Analytics and A/B experiments on the marketing site, including a test of the paid-ads landing funnel. | B | Arcads home page, read 12 October 2026. Also seen in the home page code on 13 October 2026 | ||
| Faceless.video | Product analytics script in the Bubble application, seen in the August 2024 copy of the site. | B | Internet Archive copies of faceless.video, 23 July 2023 and 15 August 2024 | ||
| My AskAI | Product analytics script that the company's site pages load. | B | My AskAI pricing page, read 13 October 2026, with the company blog post of 22 June 2026 on AI customer service for solo founders. Also seen in the home page code on 13 October 2026 | ||
| Tweet Hunter | Product analytics, listed in the founder's Starter Story tool list. | C | Starter Story, 18 May 2023: How we built a $3.5M ARR LinkedIn tool that will be acquired for $10M-$15M | ||
| Jungle | Product analytics: measures how people use the service. | C | Jungle privacy policy, read 16 October 2026. Also seen in the home page code on 16 October 2026 | ||
| Letterly | Product analytics on account and usage data. | C | Letterly Data Processing Agreement, effective 24 March 2026 |
Grade A: the tool's maker or a payment processor confirms the use. Grade B: an independent report, or the tool is visible in public code. Grade C: the founder or the company says so.
Used in the same businesses
Other tools in the stories above, with the number of stories that share both.
Other tools for the same job
Measuring, with the number of stories that use each.