Option A: Julius AI: computes capacity gaps with checkable formulas
Best when: You want the arithmetic done as inspectable code
What it does: Julius AI computes; you measure, approve and set targets
Strong at: Code-backed answers with formulas you can check
Limit: Calculation correctness unproven; recompute a sample by hand
Free plan: Yes, limited (75 one-time welcome credits + 25 daily credits)
Option B: Gemini: builds a spreadsheet calculator you inspect
Best when: You want the calculation in spreadsheet cells you can inspect
What it does: Gemini builds the calculator; you define and check
Strong at: Every formula visible in the spreadsheet
Limit: The free plan has usage limits
Free plan: Yes
Option C: Motion: drafts tasks from your approved targets
Best when: You want all measurement and maths in your own hands
What it does: You do the maths; Motion only drafts tasks
Strong at: Auto-schedules tasks by deadline and priority
Limit: Booking and purchase tasks can appear; you delete them
Free plan: Paid plan needed