Viskey

Viskey is the Visible Keyboard
With large text preview and good contrast, Viskey lets you leave your reading glasses in your pocket. You can pinch zoom the preview.
Viskey is an easy to use accessible keyboard that doesn't sacrifice modern features. It offers spelling support, auto-correction and auto-capitalization. You can use cursor keys to review existing text in larger type.
Features:
* Text preview with size adjustment for all text fields.
* Cursor keys, tap to move by character, hold space and tap to move by word.
* Spell Check
* Auto-Correction, adds corrected words to user dictionary
* Auto-Capitalization
* System Shortcuts
* User Dictionary
* Configurable black on white
* Optional key popup with big font
Supported layouts: English, Spanish, German, French, Portuguese, Turkish, Danish, Norwegian, Swedish, Finnish. Layout can be changed on the fly, with automatic switching of spell-check language.
Spell-check support for English, Spanish, German, French, Italian, Portuguese, Dutch, Danish, Norwegian, Swedish and Turkish.
Optional audio feedback: Viskey can be configured to be self voicing, announcing letters and/or words as they are entered.
Viskey is also fully compatible with VoiceOver.
You can try Viskey for free, and subscribe for a year for pocket change. The subscription is valid on all your devices and will not auto-renew to avoid unexpected billing.