21 tools
Vol. II30·V·26
Blacknave · One brain
One brain. 21 tools. Free.
It remembers your last 5 lifts, your debt payoff date, your race date, your interview pipeline. So every answer fits you.
You· 06:51
Should I deload this week?
AI· 06:51
Yes. Your bench PR slipped 82.5 to 80kg, and you're down 2.4kg over 6 weeks on a 500-calorie cut, now in week 6 of 8. Cut volume 30% for 7 days, eat at maintenance, then re-cut from a fresher baseline.
Real example. Yours starts day one.
Tap any tool
21 tools.One brain.
24 shared-data links. The dots are 21 AI tools. The lines are the data they share. Tap any tool to see which others it reads from, and which read from it.
AI coach on every tool · Fitness · Finance · Career · Lifestyle
§ 01 · The math
What one free signupreplaces.
ChatGPT Plus
$20 / mo
Strong + MFP Premium
$14 / mo
YNAB
$15 / mo
A career coach, one hour
$120 / hr
Their total
$169 / mo + hourly
Blacknave
$0/mo
§ 02 · The difference
Most “all in one” platforms
are 21 apps with one logo.We're one brain with 21 surfaces.
Other AI platforms
21 apps.21 logins. 21 silos.
Each tool knows nothing about the others.
Re-enter your weight in every fitness app.
Re-explain your debts to every finance prompt.
Generic answers because no data ever crosses tools.
Blacknave
21 tools.One shared brain.
Your gym coach reads your sleep and last 6 weeks of lifts.
Your debt planner reads your real budget before answering.
Your interview prep coach reads your live job applications.
Specific answers, because the data already shares itself.
§ 03 · The brain remembers
Your last 5 lifts.
Your debt payoff date.
Your active job applications.
Your Hyrox projected finish.
Your monthly macro targets.
Your bills, your recurring spend.
So every answer fits you.
§ 04 · The full set
21 tools.Every one included.
04 · FIT
Body Composition Tracker
See what your training and nutrition are actually doing to your body.
Open →06 · FIN
Net Worth + FIRE Planner
Know your number, when you hit it, what changes if you save more, when you can coast, and whether debt comes first. 4 AI actions, one snapshot.
Open →10 · FIN
Rent vs Buy Calculator
The actual numbers on the biggest financial decision you'll make.
Open →11 · FIN
Finance Coach
A finance coach that answers using your real numbers. Built on 75 expert prompts across debt, investing, FIRE, and tax.
Open →13 · CAR
Interview Prep Coach
Your STAR answers, cover letters, and salary scripts, written for the exact role you're interviewing for.
Open →14 · CAR
Salary Negotiation Coach
AI Coach writes the exact message, weighted by your real leverage from Job Tracker, Freelance Rate, and Net Worth.
Open →16 · CAR
LinkedIn Rewriter Coach
AI Coach rewrites every section of your profile, weighted toward the roles you're tracking in Job Tracker.
Open →19 · LIF
Home Maintenance Tracker
Track every appliance, log every service, never miss a warranty.
Open →§ 05 · Built for keeps
16
Founding members
<24h
Bug fix time
3d
Idea review cycle
12
Weeks shipping in a row
We update this place,every week.
MarAprMay
A green dot appears next to What's new on your dashboard the moment a release lands.