A Japanese indie shelf of Chrome extensions: S-Hub prices
AnswerS-Hub (https://dev-tools-hub.xyz) is ktg's shelf of Chrome/Edge extensions that do one job: Shorts Killer, X Detox, PromptStash, DataPick. You buy a specific card, not a vague suite. Public prices on cards: most free; PromptStash free/pro $5.99/mo or $19.99 one-time; DataPick $19 one-time; Rakuten seller analytics ¥1,980/mo; Arbitra free/pro $9.99/mo. No unified support email on the hub. Pack: research pack.
What they sell
Extensions plus a few PWAs across wellbeing, productivity, ecommerce, real estate, devtools.
Author wrote on Zenn that near-zero visitors make analytics useless. This page lists public price cards only.
Do this
- Open https://dev-tools-hub.xyz/ and read each card—don't assume one site-wide plan.
- Prompt library → PromptStash $5.99/mo or $19.99 once.
- Scraping → DataPick $19 once; JP ecommerce tools show ¥ on the card.
S-Hub public card prices (2026-09, hub homepage)
| Product | Public price | Notes |
|---|---|---|
| Most extensions | free | Shorts Killer, X Detox, ZenRead, etc. |
| PromptStash | $5.99/mo or $19.99 once | Prompt vault; 19+ AI services |
| DataPick | $19 one-time | CSV/Excel/Sheets export |
| Rakuten seller analytics | ¥1,980/mo | JP ecommerce |
| Arbitra | free / pro $9.99/mo | Cross-marketplace compare |
| ReadMark | free / pro $4.99 | Reading position |
Short answers
- One S-Hub subscription?
- Homepage prices per extension card; no all-access monthly written.
- Support email?
- Not on the public hub. Author publishes as ktg on Zenn.
- PromptStash monthly vs buyout?
- Card lists both; store checkout wins.