Alter: macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required. Subvideo.ai: A browser-based AI subtitle generator that transcribes audio and video into time-coded captions, with in-browser editing, translation, and multi-format export. This comparison weighs them on pricing, features, and everyday workflow fit.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Alter when freelancers and consultants privately capturing client calls without a visible bot matters most, and Subvideo.ai when generating and styling captions for videos with per-speaker formatting matters most. Try them side by side on real calls before deciding — needs vary by team.
macOS-native AI meeting assistant that records and transcribes calls locally with built-in Whisper and Parakeet models, no bots required.
A browser-based AI subtitle generator that transcribes audio and video into time-coded captions, with in-browser editing, translation, and multi-format export.
Alter is a native macOS application that records, transcribes, and analyzes meetings directly on the user's Mac without sending a bot into the call. Instead of joining a meeting as a visible participant, Alter captures audio from the system output and microphone, so it works across Zoom, Microsoft Teams, Google Meet, WhatsApp, FaceTime, Skype, Discord, and in-person conversations. Transcription runs through on-device models, with a choice of an optimized Parakeet model for major languages or Whisper for broader language coverage, and speaker identification is performed locally. Because processing happens on the device, recordings and transcripts stay on the Mac and the app can operate without an internet connection. Beyond raw transcripts, Alter generates summaries and action items, lets users chat with their meetings, and connects to tools such as Notion, Slack, Linear, Asana, and Jira. It targets solopreneurs, freelancers, consultants, and other professionals who want private, bot-free meeting capture on macOS. The product is actively developed and operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Subvideo.ai is a browser-based AI subtitle and transcription tool that automatically converts uploaded audio and video into time-coded text. Users upload common formats (including MP4, MOV, MKV, MP3, and WAV), and the platform generates subtitle lines that can be refined in an integrated studio with a timeline view, where text and timing can be edited, lines split or merged, and captions previewed directly on the video. It supports speaker recognition to separate and style different speakers, and offers one-click translation across many languages while preserving timing. Outputs include SRT, VTT, ASS, TXT, DOCX, PDF, CSV, and JSON, as well as videos with burned-in (hard-coded) captions and XML exports for editors like Premiere, Final Cut Pro, and DaVinci Resolve. It is aimed primarily at video creators, educators, and agencies, but its audio support, speaker detection, and plain-text transcript exports also make it usable for transcribing interviews, podcasts, and recorded meetings. The platform offers a free tier with daily upload and file-length limits, plus a paid unlimited plan.
Best suited for
Alter is a free tier with paid upgrades (freemium); Subvideo.ai is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Alter | Subvideo.ai |
|---|---|---|
| Core capability | On-device transcription using built-in Whisper and Parakeet models | Automatic AI speech-to-text transcription from audio and video files |
| Standout feature | Bot-free capture of system audio and microphone across any meeting or call app | In-browser subtitle editor with timeline view for adjusting text and timing |
| Team usage | Automatic speaker identification performed locally | Speaker recognition to separate and style multiple speakers |
| Integrations | AI summaries, action items, and chat-with-your-meeting Q&A | Multi-language translation that preserves timing |
| Languages & capture | Integrations with Notion, Slack, Linear, Asana, Jira and other tools | Export to SRT, VTT, ASS, TXT, DOCX, PDF, CSV, and JSON plus burned-in captions |
| Best-fit workflow | Offline operation with recordings and transcripts stored locally | XML exports for Premiere Pro, Final Cut Pro, and DaVinci Resolve |
Alter
Choose Alter if you need freelancers and consultants privately capturing client calls without a visible bot — strengths include local processing keeps recordings and transcripts on the user's own mac.
Subvideo.ai
Choose Subvideo.ai if you need transcribing recorded interviews or podcasts into editable text and subtitle files — strengths include supports both audio and video input and exports editable plain-text transcripts (txt, docx, pdf).
Alter
Subvideo.ai
It depends on your workflow. Alter is strong for freelancers and consultants privately capturing client calls without a visible bot, while Subvideo.ai is strong for transcribing recorded interviews or podcasts into editable text and subtitle files. Both transcribe and summarize meetings.
Alter is a free tier with paid upgrades and Subvideo.ai is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
More head-to-head comparisons involving Alter and Subvideo.ai.
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