A habit tracker quietly holds one of the most detailed records of your life that any app collects. Not your photos or your messages — your patterns. When you wake up. When you train. When you pray, drink, study, or try to quit something. Most people never think about where that record goes. They should.
Your habits say more about you than you think
A week of habit check-offs is a behavioral fingerprint. The timestamps alone can reveal your sleep schedule, your working hours, your gym routine, your recovery from a setback, even your religion or your health struggles. Strung together over a year, it’s a portrait far more intimate than anything you’d post publicly.
That’s not a reason to avoid tracking habits — the visibility is exactly what makes tracking work. It’s a reason to care a great deal about who else can see it.
What many habit apps quietly do with your data
The uncomfortable norm in “free” consumer apps is that the data is the price. Some habit and wellness apps embed third-party analytics and advertising SDKs that phone home with usage details. Some reserve the right, deep in a privacy policy, to share or sell aggregated behavioral data. Others simply collect far more than the app needs and store it indefinitely.
None of this is always malicious, but the direction is consistent: your behavioral record becomes an asset on someone else’s balance sheet. Once it leaves your control, you can’t get it back.
Private by default
StreakHabits takes the opposite stance. Your habit data belongs to you — full stop. There are no advertising SDKs harvesting your behavior, nothing is sold, and the app collects what it needs to work and nothing more. “Private by default” isn’t a setting you have to find and switch on; it’s the starting state.
This matters most in places that treat data protection as a right rather than a courtesy. If you live under GDPR and you’re tired of apps that treat your routines as inventory, the default here is the one you’d choose anyway.
Row-level security, in plain language
Under the hood, your entries are protected by row-level security. The simple version: in the database, every row of habit data is tagged with an owner, and the rules enforce that only that owner can read or change it. There’s no shared view, no “everyone in the table can see everything” — each person’s rows are walled off to them.
It’s the same principle as proper file permissions: the data can exist on a server and sync across your devices while still being readable only by you. You don’t have to take the privacy on faith from a marketing line — it’s enforced at the data layer.
No ads, no trackers, no data sales
To put it as plainly as possible: no banner ads, no interstitials, no third-party ad tracking, and no selling your data to anyone. The business model is simple and honest — a free tier for 3 habits and an optional Premium subscription. You’re the customer, not the product, which means the app’s incentive is to be useful to you rather than to extract from you.
What syncing does — and doesn’t — share
Syncing exists so your habits follow you from phone to tablet and survive a lost device. What it does not do is open your data to anyone else. Your synced entries remain scoped to your account behind row-level security; even the AI timing feature only analyzes your own check-off timestamps to hand your patterns back to you. The data moves between your devices, not into someone else’s product.
Getting started
You can track 3 habits for free, with a 30-day history and the heatmap, on iOS and Android. Premium ($3.99/month or $39.90/year) adds unlimited habits, AI timing insights, custom categories, widgets, full history, and CSV export — and yes, export means you can take your data with you whenever you like.
Track the most personal record you keep, and keep it yours. Tap your first habit today.