Pricing

One subscription, every feature. No tiers, no add-ons, nothing held back.

Prices are US dollars. In other countries the App Store shows the local equivalent, which Apple sets and which may differ from a direct conversion.

What you get

• Daily Readiness, scored against your own baseline
• Daily Strain, read straight from your heart rate — no need to record workouts
• Per-workout Effort scores and training history
• HRV, resting heart rate, sleep and VO₂ max trends over weeks and months
• Heart rate recovery, heart rate zones and training load (ACWR)
• Explainers on every number, and a glossary, so you know what you're reading
• A daily reminder, if you want one

The terms, plainly

• Payment is charged to your Apple Account at confirmation of purchase — or at the end of the free trial, if you don't cancel first.
• Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the current period ends. Renewal is charged within 24 hours of the period ending.
• The free trial is for new subscribers on the annual plan. If you've already used a trial or subscription in this group, Apple may not offer it again.
• Cancel during the trial and you keep access until it ends, and are never charged. Any unused part of a trial is forfeited if you buy a subscription outright.
• Manage or cancel in Settings → Subscription inside the app, or iOS Settings → your name → Subscriptions. Deleting the app does not cancel your subscription.
• Apple processes every purchase and handles refunds under its own policies — request one at reportaproblem.apple.com.

The full Terms of Service govern; this section is a summary, not a replacement.

Common questions

What happens when the trial ends?

Unless you cancel, the annual plan begins and you're charged. If you cancel, Rheostat stops producing new scores — but your health data is untouched, since it lives in Apple Health and always did.

Can I switch plans?

Yes, from the same Apple subscription screen. Apple prorates the change.

Is there a family plan?

Not yet. Family Sharing isn't enabled for this subscription.

Do I need an Apple Watch?

Effectively yes. Readiness needs overnight HRV and sleep, which means wearing a watch to bed. Buying a subscription without one won't give you much. More in Help →

Questions about billing?

Email support@lacaroventures.com. We can't issue refunds ourselves — only Apple can — but we can tell you what happened and help you get there.