Is Flyback more accurate than the Health app?

No, and it isn't meant to be. Flyback reads the exact same step data your iPhone records into Apple Health, so the numbers match. What Flyback changes is how that data is presented: a glanceable count, a goal, streaks and trends.

Does Flyback replace the Health app?

No, it sits on top of it. The Health app remains your central vault of all health data. Flyback is a focused front end for the step and activity portion of it, built to be opened daily.

Do I have to give Flyback access to Apple Health?

Yes, read-only access. On first launch Flyback asks permission to read your steps, distance, floors and active energy from Apple Health. It never writes back, and you can revoke access any time in iOS Settings.

Flyback vs the Health app: where your steps deserve to live

First, the most common misconception: Flyback and Apple's Health app aren't competitors, and Flyback isn't "more accurate." It can't be, because they read the same number. Your iPhone records your steps into Apple Health, and Flyback reads that same history. Any step counter worth trusting does.

So this isn't accuracy vs accuracy. It's a vault vs a dashboard.

What the Health app is great at

The Health app is the system of record for everything your iPhone and its accessories measure: steps, heart rate, sleep, medications, cycle, dozens of metrics. It's private, free, already installed, and it's the source everything else reads from. If you need to look up a specific figure or export data for a doctor, it's exactly right.

What it isn't is a daily habit. Your step count lives three taps deep (Browse → Activity → Steps), in a dense chart, with no single goal to hit, no streak, and no glanceable number. It's built to store everything, not to make one thing feel rewarding.

What Flyback adds on top

Flyback does one slice of Health, steps and daily activity, and makes it a screen you'll open. Today's count fills the screen with a goal ring; your week shows up as goal-coded bars; a streak counts only the days you actually hit your goal; goals can adapt to your trends; and badges, records and monthly challenges give you a reason to take the long way home.

Side by side

	Apple Health app	Flyback
Step data source	System of record	Reads Apple Health
Accuracy	Same underlying data	Same underlying data
Today's number	Three taps deep	Fills the screen, with a ring
Step goal	No dedicated step goal	Flat or adaptive, per metric
Streaks	None	Goal-based, with repairs
Badges & records	Limited (awards)	18 badges, monthly challenge, personal records
Trends	Charts you dig for	Week / month / year, goal-coded
Widgets	Basic	Home & Lock Screen, plus Apple Watch
Live walk tracking	Via Fitness/Workout	Motion-chip walk, Dynamic Island, no GPS
Privacy	On device	On device, no account, nothing uploaded
Price	Free	Free; Premium for long-range extras

So which should you use?

Both. Keep the Health app as your vault, where all your data belongs. Add Flyback as the screen you open to see how today is going, whether you kept your streak, and how the week is shaping up. Because Flyback reads from Health, there's nothing to migrate and nothing to duplicate: turn it on, grant read-only access, and your history is already there.

New to all this? Start with how to count steps without an Apple Watch, or see the full Flyback tour.