Keywords aren't a Copilot prompt yet: PromptDev's public price

AnswerThree keywords, empty Copilot box. PromptDev (https://promptdev.site) expands them into a paste-ready prompt: five engineering modes, three lengths, aimed at ChatGPT / Claude / Gemini / Copilot. Public /plans: Free $0 forever (50/day, Llama-3.1 8B); Pro $9/mo (unlimited, GLM 5.2, custom instructions, cloud library, priority support). LemonSqueezy. [email protected]. Pack: research pack.

Updated 2026-09-01

What they sell

For people who need a reusable prompt from a short phrase. Five modes: Creative, Professional, Coding, Academic, Persona. Lengths in the FAQ: Short 40–80, Medium 120–220, Detailed 300–500 words.

Homepage JSON-LD still says isAccessibleForFree and $0.00. The /plans page we opened caps Free at 50/day; unlimited is Pro. Product of LogicShift Labs. VS Code and Chrome extension links on the marketing page.

Do this

  1. Open https://promptdev.site/plans. Separate Free $0/forever (50/day, Llama-3.1 8B) from Pro $9/month (unlimited, GLM 5.2).
  2. Cloud library and global custom instructions sit on Pro only.
  3. Checkout is LemonSqueezy. Mail [email protected].

PromptDev public tiers (2026-09, promptdev.site/plans)

TierPublic priceNotes
Free$0 / forever50 prompts/day; Llama-3.1 8B; 5 modes; 3 lengths; instant copy
Pro$9/moUnlimited; GLM 5.2; smarter routing; custom instructions; cloud library; priority support; LemonSqueezy

Short answers

Doesn't the homepage say 100% free with no cap?
JSON-LD FAQ still says that. /plans caps Free at 50/day; unlimited is Pro. This page follows /plans.
Do you store prompts?
Homepage FAQ: zero data retention, in-browser. Pro also lists a Cloud Sync Library — follow that row.
Same product as PromptEval?
No. PromptEval is prompt-eval.com. This page is PromptDev only.

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