Terms of Use
Last updated October 6, 2026
Elio is a study app for AP exams. By using it you agree to these terms.
Subscriptions and free trial
Elio offers weekly ($9.99), monthly ($29.99), and yearly ($69.99) plans, each with a 14-day free trial for new subscribers. Prices are in U.S. dollars and may vary by country. If you don't cancel before the trial ends, you're charged for the plan you chose, and it renews automatically at the same price each period until you cancel.
- iPhone app: payment is charged to your Apple Account. Cancel at least 24 hours before the end of a period in Settings → your name → Subscriptions. Refunds are handled by Apple.
- Website: payment is processed by Stripe. Cancel anytime in Profile → Subscription. You keep access until the end of the period you paid for. For refund requests, email us.
Study help, not a guarantee
Lessons, questions, explanations, readiness levels, and practice exam results are for practice. They are this app's own estimates and are not official AP scores or predictions of your exam result.
Not affiliated with the College Board
AP® and Advanced Placement® are trademarks registered by the College Board, which is not affiliated with, and does not endorse, this app. All questions are original. Readiness levels are this app's own estimates, not official AP scores.
Your account
Accounts are optional. Keep your email secure. Don't misuse the app, try to access other people's data, or interfere with how it runs. You can delete your account anytime in Profile.
Content
The lessons and questions in Elio were written for this app. Please don't copy or republish them in bulk.
No warranty
We work to keep content accurate, but the app is provided as is. If you find a mistake, tell us and we'll fix it.