App Overview

Clink: Custom Keyboards icon

Clink: Custom Keyboards

William Whitehouse · Utilities

A keyboard that's finally yours.

$2.99 · In-app purchases

PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
3.6
8 ratings · Top 50%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included17 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Clink: Custom Keyboards: map the core Utilities workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Offer more themes, key shapes, and sound options.

Assumption to check: Limited customization options compared to other keyboard apps

Validate with people who use this workflow before building.

Hypothesis 2

Optimize rendering and resource management.

Assumption to check: Performance issues with heavy graphics

Validate with people who use this workflow before building.

Hypothesis 3

Implement AI for smarter keyboard suggestions.

Assumption to check: Lack of advanced features like predictive text

Validate with people who use this workflow before building.

Hypothesis 4

Provide a tutorial or onboarding process.

Assumption to check: User interface can be confusing for first-time users

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

A keyboard that's finally yours. Clink replaces the system keyboard with one you actually control: the look, the feel, the sound, the layout, and the extras. One-time purchase. No subscription. Everything runs on your device. LIQUID GLASS The only third-party keyboard with a true Liquid Glass look. Keys are translucent and alive. Predictions appear as you type, and each key ripples under your finger as you swipe. Four variants: Dark, Light, Mint, and Ember. THEMES Eleven built-in themes (Liquid Dark, Liquid Light, Graphite, Snow, Paper, Mechanical, Synthwave, Forest, Cinder, Coral, and Latte) plus a full theme editor to build your own. Set it to follow Light and Dark Mode automatically, or pin it to one look. LAYOUTS QWERTY, AZERTY, QWERTZ, and Dvorak. Add a number row for one-tap digits. Turn on key popups, or the Liquid Glass popup variant, so every press lands exactly where you mean. SPLIT KEYBOARD Open a gap down the middle so the keys pull toward the screen edges and your thumbs reach less. Tune the gap width, set where each row splits, and let the boundary letter and space bar drift toward whichever thumb is free. SWIPE TYPING Trace a path and the word appears on lift. On Liquid Glass, each key swells under your finger as you pass, a morph effect no other keyboard has. Swipe now reads contractions like don't and you're, keeps the runner-up words one tap away when it guesses wrong, and learns the words you use. Dress the trail in seven looks: Solid, Neon, Rainbow, Sparkle, Comet, Fire, and Ocean, or keep it clean. OFFLINE AUTOCORRECT Autocomplete and autocorrect run entirely on your device. No account. No data leaves your phone. Works on a plane, in a tunnel, everywhere. It now learns the fixes you make over and over, catches real-word slips like tat into that, splits run-on words like alot into a lot, and ranks suggestions by what fits the word before them. SOUNDS & HAPTICS System click or a custom sound pack. Dial in the volume and pair it with haptics as light or as firm as you like. Full Access is only needed for custom sounds and haptics. Everything else works without it. CURSOR CONTROL Slide on the spacebar to move the cursor a character at a time. Precise edits without tapping into words. CLIPBOARD HISTORY Tap the clipboard panel to browse what you've copied and paste anything again without hunting back for it. NOTEPAD A scratchpad that lives in your keyboard. Jot something down and come back to it in any app. CALCULATOR & EMOJI A fully working calculator panel and a fast emoji picker, both right there on the keyboard. NUMBER & PHONE PADS Number, decimal, and phone fields get a proper digit pad instead of the letter keyboard, themed to match the rest of Clink. LANGUAGES Type in many languages at once, or switch one at a time with a swipe up on the Return key. The app itself speaks ten languages: English, Spanish, French, German, Italian, Portuguese, Malay, Japanese, Simplified Chinese, and Korean. PROFILES Save whole setups and switch between them. Export a single profile to share it, and choose whether an imported config replaces your settings or becomes a new profile. AUTOMATION Auto-capitalise sentence starts, fix "dont" into "don't" automatically, return to the letter page after punctuation. Small rules that add up to a much smoother experience. No subscription. No tracking. No cloud. Buy it once. Full Access is optional. It's only needed for custom sound packs and haptics. Clink does not log keystrokes or send typing data anywhere.

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Screenshots

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Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.