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Mobile

TheBIGContactBook

Low-vision contact book for Android — giant text, high-contrast themes, voice find, dial pad and one-tap call

TheBIGContactBook site icon

The Challenge

BIG Contacts (TheBIGContactBook) is a contact book built for low vision. The default theme is high-contrast yellow on true black, with three more themes and four text sizes up to 145%. Giant text, spaced Australian phone numbers, a full-screen number magnifier, on-device text-to-speech (en-AU), an A–Z jumper, speed-dial photos, favourites and ICE contacts. Voice find and message dictation use your phone's system speech recogniser. One-tap call with an optional confirm screen; MESSAGE opens your SMS app with helpful presets. Large dial pad; recent calls are outgoing calls placed from this app only (stored locally, max 40). Works on tablets — telephony is optional. No internet permission, no ads, no analytics, no KL8 server.

Our Solution

Four high-contrast themes and text sizes 100%–145%, Giant text and spaced Australian phone numbers, Full-screen number magnifier and on-device TTS (en-AU), A–Z jumper, speed-dial photo row, favourites and ICE, Voice find and SMS dictation via system speech recognition, One-tap call (optional confirm) and SMS with quick presets, Large dial pad; local recent outgoing calls (max 40), Private by design: no internet, ads, analytics or accounts

The Result

Active upcoming project hosted at https://kl8tech.group/en/products/thebigcontactbook.

Tech Stack

Four high-contrast themes and text sizes 100%–145%Giant text and spaced Australian phone numbersFull-screen number magnifier and on-device TTS (en-AU)A–Z jumper, speed-dial photo row, favourites and ICEVoice find and SMS dictation via system speech recognitionOne-tap call (optional confirm) and SMS with quick presetsLarge dial pad; local recent outgoing calls (max 40)Private by design: no internet, ads, analytics or accounts

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