Comparison · AI macro coach

BlacknavevsCarbon Diet Coach

Macro-tracking app from Dr Layne Norton with adaptive coaching. Below: an honest side-by-side comparison so you can decide which fits your situation.

Pick Carbon Diet Coach if

  • ·Built around evidence-based protocols from a known scientist
  • ·Weekly check-in flow with macro adjustments based on weight trend
  • ·Established trust in the strength-training community

Pick Blacknave if

  • ·Free with 25K AI tokens monthly. Carbon is $13.99 with no free tier.
  • ·AI Coach reads your gym sessions + Hyrox training to pick protein and carb timing
  • ·Same account also unlocks Gym Coach, Body Composition, debt payoff, career tools
  • ·TDEE shows the Mifflin-St Jeor math transparently · learn while you log
  • ·PWA install · no App Store overhead, instant updates

Side-by-side

FeatureCarbon Diet CoachBlacknave
Monthly price$13.99Free (every app)
Apps included121
Free tierNoneFree forever (25K AI tokens / mo)
AI uses training dataCoach reads weight trendReads sessions, Hyrox, body comp
Coach styleWeekly check-inOn-demand AI Coach
Cross-product context·Yes

Pricing summary

Carbon Diet Coach

$13.99/month or $89.99/year. No persistent free tier.

Blacknave

Free: 25,000 AI tokens every month, every tool included. No card required.

Common questions

Is Blacknave cheaper than Carbon Diet Coach?

Blacknave is free to start: every signup gets 25,000 AI tokens per month with all 21 apps unlocked. Carbon Diet Coach costs $13.99/month or $89.99/year. No persistent free tier. for one app. If you only need that one app and don't mind paying, Carbon Diet Coach is fine. For most people, Blacknave's free monthly tokens are enough · buy a token pack ($3–$29) only if you have a heavy month.

Why would I switch from Carbon Diet Coach to Blacknave?
  • Free with 25K AI tokens monthly. Carbon is $13.99 with no free tier.
  • AI Coach reads your gym sessions + Hyrox training to pick protein and carb timing
  • Same account also unlocks Gym Coach, Body Composition, debt payoff, career tools
  • TDEE shows the Mifflin-St Jeor math transparently · learn while you log
  • PWA install · no App Store overhead, instant updates
Is Carbon Diet Coach better than Blacknave for anything?
  • Built around evidence-based protocols from a known scientist
  • Weekly check-in flow with macro adjustments based on weight trend
  • Established trust in the strength-training community
Do I have to pay to try Blacknave?

No. Every signup gets 25,000 AI tokens per month, free, with every Blacknave app unlocked. No credit card required to start. Buy a token pack only if you need more AI usage in a heavy month.

Try Blacknave free

Every app unlocked. 25,000 AI tokens per month, free. No credit card. Migrate from Carbon Diet Coach with our CSV import on supported tools.

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