ISTACO London builds intelligent software products that simplify everyday tasks. Our flagship app TalkSage turns every phone call into searchable, summarised text — automatically.
ISTACO London Ltd is a technology company focused on creating products that make everyday life simpler through smart, AI-driven solutions.
We believe the most powerful technology is the kind you don't have to think about — it simply works in the background, saving you time and effort.
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AI-powered call transcription & search
Digital document signing solution
Your phone calls, transcribed, summarised, and searchable — automatically. Never forget an important detail from a conversation again.
Powerful AI features that work silently in the background.
Detects incoming and outgoing calls and begins transcribing immediately — no buttons to press.
Get a short AI-generated summary and a one-line brief of every call so you never need to re-read the full transcript.
Search across all conversations using natural language — "calls where someone mentioned a payment."
Translate transcripts into your preferred language. Supports bilingual conversations that switch mid-call.
Play back saved calls with word-by-word highlighting — like karaoke for your conversations.
On-device AI option processes everything locally. Encrypted storage. Optional PIN lock for sensitive calls.
Automatic encrypted backup to your Google Drive. Switch phones without losing your call history.
Add personal notes to any transcript — type or speak them. Saved alongside the summary for easy reference.
No recording to start. No buttons to push. TalkSage works silently in the background.
Download TalkSage, grant a few permissions, and sign in. A short onboarding wizard guides you through.
TalkSage automatically detects every phone call and begins transcribing in real time.
Open the app to browse, search, and read your saved transcripts — complete with AI summaries and notes.
All transcripts are encrypted on your device and in backups.
Process everything locally — no audio or text ever leaves your phone.
Optional PIN lock keeps your call history private, even on shared devices.
Only text transcripts are kept by default — audio is not recorded or stored.
Digital Document Signing
SignByte is ISTACO's digital document signing solution — enabling fast, secure, and legally compliant electronic signatures for businesses and individuals.
Sign contracts, agreements, and forms from anywhere, on any device. Streamline your paperwork and go fully digital.
Get in TouchTalkSage is available for Android. Get started today.