InstaPrompt vs Kaption AI

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

InstaPrompt compared with Kaption AI
Detail	InstaPrompt	Kaption AI
What it does	Highlight text on any web page and get an instant AI result. No tab switching. No copy-pasting.	WhatsApp voice messages to text with AI
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: ~25 AI uses per month, 3 saved responses, 3 custom prompts, 1 label. Starter: $4.99/month or $3.25/month billed annually, ~500 AI uses per month, 10 saved responses, 15 custom prompts, 5 labels. Pro: $11.99/month or $8.25/month billed annually, ~2,500 AI uses per month, choose any AI model, br	Free: no credit card required. Basic: US$5.99/month (US$4.99/month quarterly, US$3.99/month annually). Pro: US$9.99/month (US$7.99/month quarterly, US$5.99/month annually). Also available in Brazilian Real: Basic from R$29.99/month, Pro from R$49.99/month.
Key features	Select and click to run prompts on highlighted text Right-click menu access to all prompts Keyboard shortcut Alt+Shift+X for quick access Popup launcher to paste or type text Context Labels for saving tone and brand voice Replace selected text with AI output Cloud sync across multiple devices Choice of AI models on Pro plan	Voice message transcription with automatic text conversion Chat summarization with AI Live translation in 36 languages WhatsApp call recording with transcripts Integration with Claude and ChatGPT via MCP Kanban board for chat organization Scheduled messages and reminders Contact export and group member download Privacy mode and screen lock Support for multiple WhatsApp accounts on desktop
What makes it different	No API key required to get started with built-in AI Works on any website without tab switching or copy-pasting Context labels save and attach your tone to every prompt	Transcription runs locally on your device; audio only temporarily sent to servers for processing 4.8-star rating with over 5,000 reviews in Chrome Web Store Used by over 50,000 active users Works with multiple platforms: Chrome, Edge, Mac, Windows, iPhone, Android
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 no change since last check	19 no change since last check
Trust Flow (Majestic)	3	6
Citation Flow (Majestic)	18	30
Referring domains (Majestic)	10	181

5 details filled in for both companies.

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