App Support
Yes. Luck-O is completely free with no in-app purchases or subscriptions.
No. Luck-O is for entertainment purposes only. It does not sell lottery tickets or involve real-money gambling of any kind.
No. Luck-O is an independent app and is not affiliated with, endorsed by, or associated with any official lottery organization.
No. We do not collect any personal data. Your privacy is fully respected.
Luck-O is available on iPhone and requires iOS 26.0 or later.
Please make sure you are running the latest version from the App Store. If the issue persists, contact us using the email below and include your device model and iOS version.
keeep is a minimal, visual wishlist manager. Save product links from Safari and turn them into clean, organized cards — no more cluttered tabs or lost links.
keeep is a one-time purchase of CA$0.99. No subscriptions, no in-app purchases.
Use the built-in Share Extension in Safari. Tap the share button on any product page and select keeep to save it instantly.
No. All your saved items are stored locally on your device. We do not collect or transmit any personal data.
Yes. Tap any card to open the product page in keeep's built-in browser.
Have a question, bug report, or feature request? We'd love to hear from you.
zero.june@outlook.comZzzero Lab apps are designed with your privacy in mind. We do not directly collect, store, or share any personal information.
Our apps do not require account creation and do not transmit any personal data from your device to our servers.
Our apps may display advertisements provided by third-party ad networks (such as Google AdMob). These services may collect and use certain data — including device identifiers, IP address, and general usage information — to serve relevant ads. This data collection is governed by the respective privacy policies of those third-party providers.
For more information, please refer to Google's Privacy Policy.
You can limit ad tracking on your device through your iOS settings under Settings > Privacy & Security > Tracking. You may also reset your advertising identifier at any time.
If you have any questions about our privacy practices, please reach out via the contact email above.
Last updated: April 2026