Product & development notes

Blog Notes on apps and everyday tools

Loopvity’s notes on practical Hong Kong mobile apps—design, updates, and iOS and Android downloads on the App Store and Google Play, written in plain language.

Product 2026-10-31

Your daily horoscope on your phone: Daily Horoscope

A daily horoscope on your phone for all 12 signs: career, love, money, health and study, plus a lucky number and colour. Switch yesterday, today or tomorrow—no account.

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Product 2026-10-11

The solar system on your phone: Cosmic Dashboard

Browse the solar system and satellite orbits on your phone. Clear visuals, pan and zoom, no sign-in and no pop-ups—on iOS and Android.

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Product 2026-09-23

Organising AI prompts on your phone: Prompt Vault

Reusable AI prompts are hard to find again. Prompt Vault keeps them on your phone for preview, copy, fill-in fields and recent edits—no account needed.

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App Development 2026-09-20

How to launch an app on both iOS and Android

Before an iOS and Android app, decide how both stores will launch together: schedule, feel, permissions and later updates.

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