Solid — Privacy
I'm an indie dev. I make Solid alone (under the name Koirala Studio), and I don't want your data. This page exists because Apple and various privacy laws want one, and because if you're going to install my app you deserve to know what it does.
Short version
Solid doesn't collect anything personal about you. It runs on your iPhone. There's no account. There's no cloud sync. There's no server I run that holds your data. Anything you put into the app stays on your device.
What stays on your device
Solid stores your profile (things like age, sex, height, start and goal weight, training context, dietary preferences, and calorie/protein targets), daily logs (meals, weight, training, measurements), custom foods and recipes, schedule/reminder preferences, and whether a subscription is active. Small preferences live in iOS UserDefaults. Everything stays in Solid's sandboxed on-device storage; I don't run a server that holds it.
Delete the app and that data is gone. iPhone backups (iCloud or local) may include it, but that's Apple's backup, not mine.
What I don't collect
- Your name, email, phone number, address, or any ID for an account (there's no account).
- Your location.
- Your contacts, photos, calendar, or HealthKit data.
- Anything that would let me track you across apps or websites.
I don't sell data to anyone because there's no data to sell.
Permissions Solid asks for
Notifications — optional local reminders (for example weigh-in or meal nudges). Scheduling is on your device; reminder content doesn't leave your phone. You can turn this off in iOS Settings → Notifications, or in Settings → Solid.
Third-party services
If you subscribe, RevenueCat helps verify the purchase and entitlement. RevenueCat receives an anonymous identifier (a random UUID not tied to your name, email, or personal iOS identifier) and the purchase event from Apple's StoreKit. See revenuecat.com/privacy.
Apart from that (subscribers only): your profile, food logs, weights, and measurements never leave your device for analysis or storage.
What Apple sees on its own
When you download Solid, Apple processes your App Store account, the download itself, and any crash reports you choose to share. That's Apple's deal — see apple.com/legal/privacy. I might see aggregate numbers (total installs, anonymized crash stacks if you opted in), but never anything tied to you personally.
Your rights, briefly
Privacy laws give you the right to know what someone's holding about you, to ask them to fix or delete it, and to complain if they refuse. Email support@koirala.studio and I'll respond within 30 days. (For Solid specifically the answer is almost always "I don't hold any data about you" — but I'll confirm it for you in writing.)
Kids
Solid isn't designed for or directed at children under 13. I don't knowingly collect personal information from anyone under 13. I don't run a server that holds what you do inside the app — if a parent contacts me, I'll explain what's on the device and that deleting the app removes local data.
If this policy changes
I'll update the date at the top and surface a notice in Solid for anything material.
Contact
Koirala Studio · Ontario, Canada
support@koirala.studio