Studio Terms
Terms of use
These terms cover every Stack Trace Studios app. Each app's product and privacy pages describe its features, purchase model, data handling, and specific limits.
Last updated 5 September 2026.
Licence
Apps are distributed through the App Store and are licensed, not sold, under Apple's Licensed Application End User Licence Agreement. Buying an app, an in-app unlock, or a subscription gives you a personal, non-transferable licence to use the applicable app and paid features on devices tied to your Apple Account, including through Family Sharing where the product enables it.
Purchases and refunds
All payments are processed by Apple. An app's product page and purchase screen state whether a product is a one-time purchase, repeatable consumable tip, or auto-renewable subscription. Subscription screens show the billing period and renewal terms before purchase, and subscriptions can be managed or canceled in the customer's Apple Account settings. Refunds are handled by Apple at reportaproblem.apple.com; the studio cannot issue one directly. If an entitlement does not appear, use Restore Purchases inside the app first.
Acceptable use
Do not redistribute, resell, or republish an app's bundled content. The lessons, question banks, glossaries and case files are original work protected by copyright. Do not attempt to circumvent a paywall or to extract the content for another product. Personal study, including quoting a passage with attribution, is fine.
What the apps do not promise
The study apps are independent companions. They are not affiliated with, endorsed by, or sponsored by any certifying body, and passing a practice quiz is not a prediction that you will pass an exam. The curriculum apps carry no accreditation and grant no academic credit.
Nothing in any app is professional advice. Health and safety features, including allergen checking, cycle tracking and epilepsy record organization, are informational aids, not medical devices, diagnostic tools, or emergency monitors, and must not be relied on for a medical decision or emergency response. Risk indices are analytical models built from public data, not forecasts. Each app's page carries its own specific limits; read those too.
Liability
The apps are provided as-is. To the fullest extent permitted by law, Stack Trace Studios LLC is not liable for indirect or consequential loss arising from their use. Nothing here limits liability that cannot lawfully be limited, and it does not affect statutory consumer rights in your jurisdiction.
Changes
These terms may be updated; the revised version is published here with a new date. Continued use after a change means you accept it.