HTML Sandbox³ vs Custom Keyboard Maker Pro

The HTML Sandbox app allows you to create custom lockscreens and homescreens using shortcuts app incl. weather, battery status, calendar events, RSS feeds and more. Download of complimentary shortcut can be found in app. With over 18,000 members, join the supportive HTML Sandbox community to find new themes and get 24/7 assistance. Please note this app is designed for iPhone only.

Build the keyboard you wish. Add powerful one-tap keys and a playful drawing pad that works across your apps. Faster typing: Insert any custom text (your email, phone, ... etc), today’s date, time, clipboard paste, UUID, ... with one tap. Expressive input: Open the Draw view to sketch quick marks or decorate with emoji, then send via pasteboard where supported. Your look: Pick Canvas Background, Stroke Color, and Stroke Width. Theme Button Fill and Button Text for high contrast. Works everywhere: iPhone and iPad, any app with a text field. Private by design: Functions run on-device. No analytics, no third-party SDKs, no tracking. Config-first keyboard: Built-in toggles for Date, Time, Paste, UUID, Random Emoji, and a named Custom button. Inline drawing pad: Colors palette, stroke slider, Undo/Clear, and quick emoji row. One-tap theming: Live preview of canvas, keys, and text for accessibility and style. No full access required for core features; nothing leaves your device. Open the app → choose built-in buttons and set your Custom text. Pick colors for Canvas, Stroke, Button Fill, Button Text. Enable the keyboard: Settings → General → Keyboard → Keyboards → Add New… → Custom Keyboard Maker Pro. Note: Image sending relies on pasteboard and only appears in apps that accept images; text-only fields will receive text.