Design your custom keyboard — control every layout, key and function
About Custom Keyboard Designer
Custom Keyboard Designer is a tools app developed by Gerrit Humberg.
Download Statistics
Custom Keyboard Designer has been downloaded 260 thousand times. In the last 30 days, the app was downloaded 2.9 thousand times.
User Ratings
Custom Keyboard Designer is rated 4.38 out of 5 stars. The rating is based on 1.1 thousand ratings.
App Information
Custom Keyboard Designer is FREE to download. The APK download size is 17.09 MB. The latest version available is 5.8.1. The last update was on June 12, 2026.
Technical Requirements
Custom Keyboard Designer requires Android 5.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2018.
Description
Design your custom keyboard — no ads, no tracking, full control of every key.
At a glance: • Every key, every layout, every function fully customisable • No permissions, no ads, zero data collection • Keyboard for Android phones, tablets and Wear OS smartwatches • 40+ languages with word lists and auto-correction • Free base package · pro packages (EDP, EKP) optional via in-app purchase • EDP for example Multi-press and multiple functions per key • EKP for example Code Block Editor for developers
More than just colours: The Keyboard Designer is a complete keyboard that works in every app. Unlike other keyboards, you don't just tweak colours — you build the whole keyboard: arrange keys freely, set sizes, choose labels, assign any function to any key. No other keyboard offers this kind of control.
Privacy guaranteed: The app requests no permissions whatsoever — not even internet access. That makes it technically impossible for anything you type to leave your device. Passwords, private messages, contact info stay where they belong: with you.
What a good keyboard must deliver:
1. No internet connection You enter very private data through a keyboard. A keyboard must therefore not request internet permission — only then can your input be guaranteed to stay on your device.
2. Individual adjustments The keyboard is the most-used app on a mobile device. It must fit the user perfectly — key arrangement, size, labels, colours, functions. With Keyboard Designer you decide every detail.
3. Easy to use Limited screen space makes typing hard. Helpers like the enlarged edit bar, big keys and smart actions keep the keyboard usable in tough conditions — walking, one-handed, for people with motor impairments.
4. Speed A keyboard must respond instantly. This app does not use the system keyboard API but renders all keys as optimised graphics. Input is noticeably faster.
Highlights of recent versions: • Multi-press: assign multiple functions to a single key, picked by how often you press it • Auto-correction with bigram context for whole sentences, not just single words • Code Block Editor with syntax highlighting for developers • Stickures: hand-drawn symbols as input gestures • Hardware keyboard mode for Bluetooth and USB keyboards
Packages: • Base (free): full keyboard, create your own designs, up to 4 rows, 12 keys per row • Extended Design Package (in-app purchase): unlimited rows and keys, design import/export, rounded keys, colour gradients • Extended Keyboard Package (in-app purchase): advanced function types like code editor, hardware keyboard support More info: https://edp.keyboarddesigner.com and https://ekp.keyboarddesigner.com
Note: When you select the keyboard, Android shows a default notice that keyboards can collect data. This notice appears even for keyboards without internet permission — and Keyboard Designer has none.
Recent changes: Revisions: - Fixes a crash when typing very fast or holding the backspace key (Thanks to Rako) - Texts and translations revised: spelling and translation corrections in the app (DE/EN/ES) - Fixes a crash while building word predictions - Fixes a crash when exporting designs
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This is the best keyboard I've found on the play store and I still have to uninstall. I love the amount of customization, and the learning curve isn't that steep. But no swipe/glide typing is an uninstallation for me, though I saw in the comments that's being worked on. It would also be nice if you could change the shape of the keys (rounded corners, circle, etc.) and be able to remove or add keys. Got annoyed at the settings key where it was. I'll keep an eye on this one, though.
★★★★☆Scarf doodle· Feb 16, 2025
It seems fine overall, but I think its lacking the feature im looking for. I'm trying to find a keyboard that can actively type color coded symbols. Not just have the keys be colored. Like if I were to type a 1, it would be yellow or in italics on a PDF.
★☆☆☆☆Michael B· Dec 28, 2025
I figured out how to move the enter key but beyond that learning curve for this app is ridiculous. Plus no text prediction option.
★☆☆☆☆David Spector· Mar 24, 2025
Horrible,! Here is the message I tried to write with the default keyboard design: "I'm surprised at, how differrntcthr keyboard, is,from gboard. Thr, defaukt nkeyds are, so tiny it is, impossible to type correctly. There is, no soellinh correction. Worst, of all, no swype key entry(excavation mork). I hate, this,app!!!" Also, the space bar can't be used to position the edit point (caret). I'm writing this with the Google keyboard, and it works so much better! Oh, and also the instructions are bad!!!
★☆☆☆☆Grue Turtle· Aug 5, 2025
I can't figure out these instructions. How the heck do I change what character I get when I press shift and then a key? I'm just trying to recreate the actual symbols on the number row, so I can type the at symbol by pressing shift + 2
Google Play Rankings for Custom Keyboard Designer
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Technologies used by Custom Keyboard Designer
Custom Keyboard Designer is requesting 3 permissions and is using 17 libraries.
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