Privacy & Safety
Privacy Policy
RistHoops is a shooting-practice app for Apple Watch and iPhone. We do not collect, upload or sell any personal information. We run no servers and there are no accounts.
Your training data stays on your devices
Shots, accuracy, levels, records, your name, your personal power baseline and Pro-mode calibration are stored only on your iPhone and Apple Watch. Deleting the app deletes this data; you can also clear it in the app's Stats screen.
Health (HealthKit)
- Read: heart rate and active calories during a session, to show heart-rate zones and energy in your summary.
- Write: each session is saved as a Basketball workout in the Fitness app and your Activity rings.
- Health data is used only on your devices. It is never uploaded to a server, never used for advertising and never shared with third parties. You can manage or delete saved workouts in the Health app.
Watch motion sensors
The app reads Apple Watch motion sensors to detect your shooting motion. Everything is processed on the watch in real time; raw sensor data is not stored or shared.
Game Center rankings
If you are signed in to Game Center, your training scores and best streaks are submitted to Apple's Game Center leaderboards and shown with your Game Center nickname. Apple handles this under its own privacy policy. You can train without Game Center.
No ads, no third-party analytics, no tracking
There are no ads or analytics SDKs, and the app does not track you across apps or websites. Interface fonts are bundled in the app, so it contacts no outside servers.
Children
The app collects no personal information from anyone, including children under 13.
Not a medical device
Heart rate, calories and heart-rate zones are for fitness reference only and are not for diagnosis or treatment.
Changes
If this policy changes, we will update this page and the date above.
Motion Exercise Safety Notice, Assumption of Risk & Limitation of Liability Agreement
Important notice
This exercise app involves real physical movement. Before you tap Agree, please read this Agreement carefully, especially the terms shown in bold that exclude or limit liability, waive third-party claims, or place risk on you. If you have a condition that makes strenuous exercise unsuitable, are in an unsafe physical space, or do not agree with any part of this Agreement, do not start, or stop the motion exercise immediately.
Article 1. Nature of this Agreement and the service
1.1 This Motion Exercise Safety Notice, Assumption of Risk & Limitation of Liability Agreement (the "Agreement") is entered into between the individual using RistHoops (the "Software") (the "User" or "you") and the developer Hongyin Li (an individual developer, the "Developer"), and is a legally binding document.
1.2 Not medical or professional guidance: The Software uses the sensors and algorithms of mobile smart devices (including but not limited to iPhone and Apple Watch) to capture motion and provide a virtual, interactive motion-exercise experience. Movement scores, calories, intensity, rhythm prompts, heart rate and other data shown in the Software are for reference only and are not medical advice, fitness assessment, a rehabilitation plan or professional sports training instructions of any kind. The Software is not a medical device or a health-monitoring instrument.
Article 2. Inherent risks of exercise and assumption of risk
2.1 Inherent sports risks: You understand that the motion exercise in the Software involves physical movements including but not limited to large arm swings, turning, jumping, continuous movement and fast shooting motions. Such movements carry inherent risks of injury, such as muscle strains, torn ligaments, dislocated joints, stress fractures, dizziness and falls, and collisions from loss of balance, as well as the extreme risk of triggering an underlying cardiovascular or cerebrovascular emergency.
2.2 Assumption of risk: To the maximum extent permitted by applicable law (including but not limited to Article 1176 of the Civil Code of the People's Republic of China on voluntary participation in recreational or sports activities that carry a certain risk, and the common-law principle of assumption of risk), you confirm that you choose of your own free will to take part in this motion exercise, which carries inherent risks. You voluntarily accept the consequences of exercise injuries or accidents not caused by the Developer's intent or gross negligence.
Article 3. Health self-check and restraint
3.1 Health preconditions: You confirm that before starting the motion exercise you have objectively assessed your own physical condition. If you have a cardiovascular or cerebrovascular disease, high blood pressure, a respiratory disease, a bone or joint disorder, a visual, hearing or vestibular (balance) disorder, are pregnant, are recovering from surgery or an injury, or have been advised by a doctor to limit exercise, you must not take part.
3.2 Prohibited use: You must not use the motion-exercise features after drinking alcohol, while taking medication that depresses the central nervous system or affects your coordination or reactions, when extremely tired or sleep-deprived, or when you feel acutely unwell.
3.3 Duty to stop immediately: If during exercise you experience chest tightness, palpitations, shortness of breath, dizziness, nausea, blurred vision, severe joint pain or unusual weakness in your limbs, stop at once and sit or lie down to rest; in serious cases, seek professional medical help immediately.
Article 4. Play area and the "safe clearance" duty
4.1 You are fully responsible for checking your actual physical space for safety every time before you start the motion exercise:
- Clearance radius: make sure there are no obstacles (including but not limited to walls, glass doors and windows, table corners, hanging lights, coffee tables and sharp furniture) within your maximum reach plus at least 1 metre in every direction around your body.
- Floor: make sure the floor is level, dry and non-slip, and remove cables, toys, spilled liquid and anything else you could trip or slip on.
- Keep others and pets away: make sure no children, elderly people, other people or pets are within the path of your movements.
4.2 Dangerous places: Never start the motion-exercise features on a balcony, next to a window edge, at the top of stairs, in a wet bathroom, on a road, in a construction area, or while driving or operating precision machinery.
Article 5. Device safety, preventing devices from flying loose, and property damage
5.1 Securing devices:
- When wearing an Apple Watch or other smartwatch, make sure the band is fastened and locked securely and is not damaged or likely to come loose;
- When holding an iPhone for motion sensing, keep a firm grip; a non-slip case or a wrist safety strap is recommended;
- Never swing any hard racket, bat, weight, metal tool or similar object that has not been officially approved for use, to prevent it from flying out under centrifugal force and causing serious damage.
5.2 Device and property damage at your own risk: You understand and agree that during vigorous arm swings or jumps a mobile device may fly loose, slip, hit things or even smash nearby TVs, screens, furniture, doors or windows. The Developer accepts no direct or indirect liability for damage to your phone or watch, or for third-party property damage (including but not limited to broken screens and smashed furniture), caused by an unsteady grip, a broken or loose band, excessive movements or a device being flung by external force.
Article 6. Motivation features and self-discipline
6.1 No mandatory instructions: Leaderboards, ranking points, combo multipliers, timed challenges and achievements in the Software are digital incentives designed only to make exercise more fun.
6.2 You understand and confirm that no built-in incentive, animated demonstration or virtual exercise prompt shall be treated as the Developer asking you to push beyond your physical limits, make uncontrolled movements or ignore safe distances. You alone decide your pace and range of motion, and you are responsible for overexertion or accidents caused by blindly chasing performance or numbers.
Article 7. Sensor and algorithm limitations
7.1 You understand that, given the nature of consumer-grade gyroscopes, accelerometers and Bluetooth communication, motion recognition has inherent error, latency and dropped frames.
7.2 Avatar movements falling out of sync, misjudged movement quality, or a swing or shot not being recognized or judged as not meeting the target are normal technical limits of mobile hardware and algorithms. You may not claim on this basis that the Software has a defect, and you must not react to recognition disputes with irrational, aggressive movements.
Article 8. Third-party claims and indemnity
8.1 If your movements, thrown objects, or a slip or collision during the motion exercise cause personal injury to anyone present, any bystander or any pet, or damage to public or private property, you as the person responsible shall bear full liability.
8.2 If an injured third party sues or makes a claim against the Developer, you agree to indemnify the Developer for all resulting losses, damages, court costs, notarization fees and reasonable attorney's fees, and to hold the Developer harmless from any such damage.
Article 9. Limitation of liability and statutory exceptions
9.1 Liability cap: To the maximum extent permitted by applicable law, and regardless of the cause of action (including breach of contract, tort and any other dispute arising from this Agreement), the Developer's total liability to you is limited to the total amount you actually paid the Developer for the Software in the twelve (12) months before the incident; if you use the Software for free, the limit is RMB 100 or its equivalent in local legal currency.
9.2 Statutory rights preserved (exceptions): Nothing in this Agreement is intended to, or shall be interpreted to, exclude or limit the following liabilities:
- personal injury or property damage caused by the Developer's intent or gross negligence;
- liability for fraud, intentional wrongdoing, or death or personal injury caused by negligence, which applicable law (such as Article 506 of China's Civil Code, Article 26 of China's Consumer Rights Protection Law, section 65 of the UK Consumer Rights Act 2015, or EU consumer protection directives) prohibits excluding by standard-form contract;
- statutory liability arising from a serious product hazard in the Software provided by the Developer about which the Developer failed to give a reasonable warning.
Article 10. Special protection for minors
10.1 If you have not reached the age of majority in your jurisdiction (in mainland China, generally under 18), you must read this Agreement and do the motion exercise accompanied, supervised and guided by your legal guardian (a parent or other guardian).
10.2 Guardians should assess the minor's physical condition and the safety of the indoor or outdoor exercise environment, and supervise the minor in person throughout. A guardian who allows a minor to start the motion exercise is deemed to accept all risks and responsibilities under this Agreement.
Article 11. Severability, governing law and disputes
11.1 Severability: If any term of this Agreement is held invalid, illegal or unenforceable by a court or arbitral body of competent jurisdiction for violating applicable law, that ruling does not affect the validity of the other terms. The invalid term shall be narrowed or replaced to the minimum extent necessary so as to achieve its original compliance and protective purpose as far as possible.
11.2 Dispute resolution and governing law:
- The formation, validity, interpretation and dispute resolution of this Agreement are governed by the laws of the People's Republic of China (excluding its conflict-of-laws rules);
- Any dispute arising from this Agreement or related to this motion exercise shall first be resolved through friendly negotiation; if negotiation fails, either party may bring a lawsuit before the competent people's court where the Developer is domiciled.