Numina Terms of Use
These terms are between you and ByteXio LLC ("we", "us") and cover your use of the Numina app on iPhone, iPad, and Apple Watch. Apple's Licensed Application End User License Agreement also applies; where the two differ, these terms add to it rather than replace it.
1. The app
Numina is a math puzzle and practice game. It is for entertainment and everyday mental exercise. It is not a medical, diagnostic, or therapeutic product, it makes no claim to improve memory, intelligence, or health, and nothing in it is medical advice. If you have concerns about memory or cognition, talk to a qualified professional.
2. Licence
We grant you a personal, non-transferable, non-exclusive licence to use Numina on Apple devices that you own or control, under the Apple Media Services Terms. You may not reverse-engineer, redistribute, or resell the app or its content.
3. Numina Pro
Numina is free to download and play. Numina Pro unlocks the full fluency course (after its free first lesson), custom tunes, sky themes, and hosting duels. It is sold by Apple through the App Store in three ways:
- Annual subscription — billed once a year. New subscribers may be offered a free trial; the app shows the trial length before you buy, and only if your Apple Account is eligible.
- Monthly subscription — billed once a month.
- Lifetime — a one-time purchase that does not renew.
Prices are shown in your local currency before you buy.
Subscriptions renew automatically. Payment is charged to your Apple Account when you confirm the purchase, or when a free trial ends. A subscription renews at the same price for the same period unless you turn off auto-renew at least 24 hours before the end of the current period; your account is charged for the renewal within the 24 hours before the period ends. If you cancel during a free trial, you are not charged. Cancelling stops the next renewal; you keep Numina Pro until the end of the period you already paid for. You can manage or cancel a subscription at any time in Settings → your name → Subscriptions on your device, or from Settings → Numina Pro → Manage subscription in the app.
If we ever change a subscription price, Apple will tell you in advance and, where the law or Apple's rules require it, ask for your consent before charging the new price.
Purchases are tied to your Apple Account and can be restored on any of your devices from Settings → Restore purchases. Where Family Sharing is enabled for a plan, it can be shared with your family group. Refunds are handled by Apple under Apple's refund policy.
4. Deep Sky
Deep Sky's conversation runs on your device: with Apple Intelligence where your device supports it, and otherwise with Numina's built-in guide. Nothing is downloaded and no conversation leaves your device. Text written by Apple Intelligence is generated automatically and may occasionally be odd; puzzle answers and scoring are always decided by Numina's own engine, not by a model. Deep Sky's puzzles are written in English.
5. Duels and fair play
Duels connect you directly with other players nearby or through Apple's Game Center. Choose a nearby Duel name that is not offensive and does not impersonate anyone. Online, other players see your Game Center name, which is managed by Apple. Don't use the app to harass anyone or to cheat in duels or on Game Center leaderboards; we may reset scores that are clearly not genuine.
6. Your data
Numina stores your progress on your device, and optionally in your own iCloud if you turn sync on. Our Privacy Policy explains this in full. You are responsible for keeping your device backed up.
7. Availability
We may update, change, or discontinue features. We aim to keep the app working on current versions of iOS and watchOS, but we do not promise that every feature will work on every device or forever. If a paid feature is removed while you have an active subscription, you can request a refund from Apple.
8. Disclaimer and liability
Numina is provided "as is". To the fullest extent permitted by law, we disclaim all warranties, and our total liability to you for any claim relating to the app is limited to the amount you paid for it in the twelve months before the claim. Nothing in these terms limits rights you have under consumer law that cannot be excluded.
9. Changes
We may update these terms. The current version is always available at this address, with the effective date above.
10. Contact
support@bytexio.com