CaptionKit: CaptionKit is an AI-powered platform that generates real-time captions and multilingual translations for live spoken sessions, built primarily for churches and faith-based services. Zell: Berlin-based sales performance intelligence platform that analyzes real sales calls, surfaces skill gaps, and delivers AI coaching and roleplays, using GDPR-compliant on-device transcription. The right pick comes down to team size, budget, and the workflows you want to automate.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist CaptionKit when providing live captions for deaf and hard-of-hearing attendees during services or events matters most, and Zell when automating sales-manager coaching with personalized plans and ai roleplays matters most. Run both through a week of actual calls to see which suits your workflow.
CaptionKit is an AI-powered platform that generates real-time captions and multilingual translations for live spoken sessions, built primarily for churches and faith-based services.
Berlin-based sales performance intelligence platform that analyzes real sales calls, surfaces skill gaps, and delivers AI coaching and roleplays, using GDPR-compliant on-device transcription.
CaptionKit is a browser-based platform that produces live, AI-generated captions and translations during spoken sessions, designed primarily for churches and other faith-based organizations serving deaf, hard-of-hearing, and multilingual audiences. A host starts a captioning session from the web dashboard, and the system transcribes speech in 65+ languages and translates it into 85+ languages, including a bilingual English and Spanish mode. Attendees follow along by joining a shared web link or QR code, or through the free iOS and Android apps; captions can also be displayed on screen as lower-third overlays or full-screen scrolling text. It integrates with common presentation and streaming software including ProPresenter, OBS, vMix, FreeShow, and Worship Extreme, and supports automation via cURL and Bitfocus Companion. Accuracy can be improved with boosted keywords for names and uncommon terms, and the platform records session history. No installation is required, making it suited to live in-person or streamed events where on-screen accessibility and language access matter.
Best suited for
Zell is a Berlin-based AI platform that captures and analyzes real sales calls to give sales teams performance visibility and automated coaching. It works across video calls, phone calls, and in-person meetings, automatically evaluating call behaviors such as talk patterns, objection handling, and discovery depth, and producing scorecards and instant AI call summaries once conversations end. A skill-gaps dashboard helps managers see who is improving and where coaching is needed, while an AI coaching component (named Dave) generates personalized feedback, coaching plans, and roleplay simulations based on each rep's actual performance, then tracks improvement over time. Zell positions itself as a layer that turns conversation insights into action and automates much of the sales manager's manual coaching workload. As a European company founded in 2024, Zell emphasizes GDPR-compliant, on-device transcription that does not require a meeting bot or store customer data. The company has validated its model with clients across the US, Germany, Italy, and Spain and is backed by European pre-seed investors. It is a newer, privacy-focused alternative to large US conversation intelligence platforms. Pricing varies by plan. Check the official website for current pricing.
Best suited for
CaptionKit is a free tier with paid upgrades (freemium); Zell is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | CaptionKit | Zell |
|---|---|---|
| Core capability | Real-time AI speech-to-text captioning in 65+ languages | Captures and analyzes video, phone, and in-person sales calls |
| Standout feature | Live translation into 85+ languages, including bilingual English/Spanish mode | GDPR-compliant on-device transcription without a meeting bot or stored customer data |
| Team usage | Attendee access via web link, QR code, or free iOS and Android apps | Automated scorecards on talk patterns, objection handling, and discovery depth |
| Integrations | On-screen display options (lower-third overlays, full-screen scrolling captions) | Instant AI call summaries after each conversation |
| Languages & capture | Integrations with ProPresenter, OBS, vMix, FreeShow, and Worship Extreme | Skill-gap dashboard for managers across reps |
| Best-fit workflow | Boosted keywords to improve accuracy for names and uncommon terms | AI coaching, personalized coaching plans, and roleplay simulations |
CaptionKit
Choose CaptionKit if you need providing live captions for deaf and hard-of-hearing attendees during services or events — strengths include browser-based with no installation required for hosts or attendees.
Zell
Choose Zell if you need analyzing real sales calls to score rep behaviors and identify skill gaps — strengths include privacy-first design with on-device transcription suited to gdpr-conscious eu teams.
CaptionKit
Zell
It depends on your workflow. CaptionKit is strong for providing live captions for deaf and hard-of-hearing attendees during services or events, while Zell is strong for analyzing real sales calls to score rep behaviors and identify skill gaps. Both transcribe and summarize meetings.
CaptionKit is a free tier with paid upgrades and Zell is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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