Building practical tools with AI 71 Lab · an AI tool studio

71 Lab turns large-model capability into shippable, reusable software. Every product runs locally, and your data stays under your control.

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MemEasy calendar
MemEasy tags
MemEasy quick capture

MemEasy

Free Android / HarmonyOS V1.0.0

Write it down by date, find it by tag. Fully local, no account, no network.

  • Open it and write — no sign-up, no tutorial
  • Tag it and forget about folders — same tag, same pile
  • To-dos, reminders and anniversaries, no extra apps
  • Your notes stay on your phone
Details & download Manual

71QuantLab

Free + VIP Windows V1.0.0

A local AI research workbench for individual analysts. Nine expert roles work independently, and a roundtable converges on a conclusion through structured debate — entirely on your own machine.

  • Market overview, price terminal, limit pools and rule screening
  • Expert consultation: nine roles analysing independently, structured output
  • Roundtable: multi-seat debate converging through a decision role
  • Decision archive, financials and custom rules (VIP)
Details & download Manual VIP pricing
71QuantLab overview
71QuantLab Ask a Master
71QuantLab roundtable

Give one a try

Neither product needs an account.

JiYi (Android) 71QuantLab (Windows)