All tools
Taking payments · 5 of 110 stories
AppSumo
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 |
|---|---|---|---|---|---|
| Castmagic | Deal marketplace: the lifetime deal of March 2023 brought about US$350,000 and 10,000 users; a second deal ran in 2025. | since March 2023 | A | AppSumo: Castmagic deal page, with the founders' messages of February and April 2025 | |
| Nichesss | Sells the US$59 lifetime deal and brought most new users, including US$100,000 in the first month. marketplace lifetime deal, US$59 | since January 2021 | 30% of each sale, or 50% for a better position | A | AppSumo deal page for nichesss, live on 14 October 2026, and Wayback Machine copies of 28 May 2021, 22 December 2021 and 2 December 2022 |
| Letterly | Sold lifetime deals in several launches from 2024, which brought early users and feature requests. lifetime deal | since 2024 | A | AppSumo deal page: Letterly, AI speech-to-text app | |
| Rytr | Deal marketplace for the public launch: about 100 users and about US$500 of sales on the first day. | since April 2021 | C | Starter Story, 28 November 2021: I Built A Simple AI Writing Tool That Makes $60K/Year | |
| Adle | Sold lifetime deals; the terms apply AppSumo's 60-day refund policy to them. No AppSumo page was found under Adle or Buzzly. | C | Adle AI Terms and Conditions |
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
Taking payments, with the number of stories that use each.