QuickSim · probability diagnosis
https://berightbackapp.com/
LaunchSim · Probability diagnosis
brb: Step Goal App Blocker
Health & Productivity iOS Apps62%
CONDITIONAL GODepends on Apple App Store approval status
Facts
Fermi estimate
~110M global iOS habit-focused health app users
1.8B global iOS users × 15% health app users × 4% habit tool payers
Winner
Forest App
Ties focus to consequences, high retention
Flop
iOS Default Screen Time
No limit enforcement, low adherence
Must be true
1.Step sync accuracy directly correlates to user retention
2.Monthly price must stay below $4 for mass adoption
3.No bypass rules are non-negotiable for core users
Element balance
Fire · Good FortuneDrives action-oriented habit change for users
75
55
45
40
35
Fire
Rise
Water
Wax
Air
Std
Earth
Wane
Spirit
Dorm
Probability chain
Demand exists
80%
62% of remote workers report sedentary workdays (Pew 2023)
Unit economics
70%
$2.99 monthly subscription, 72% gross margin
Channel reach
55%
Habit niche TikTok ads, $3.40 estimated CAC
Moat buildable
45%
No network effect, low barrier to copy
Blockers
Apple may restrict third-party app blocking functionality-8%
Personas
M
Mia28 yrsRemote marketing manager
I doomscroll 2 hours daily and never hit my step goal, this fixes both.
R
Raj34 yrsFreelance software developer
I use an Oura Ring, I hope step sync works reliably.
C
Chloe22 yrsUndergraduate college student
I won't pay for this, free screen time tools work fine.
"Tie app access to steps to cut doomscrolling and build movement habits"
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Probability × product signal
This is not business advice — just a structured angle on your product. Deep Sim is the full report.