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airtxt vs Oswin Data

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

airtxt compared with Oswin Data
Detail airtxt Oswin Data
What it doesAI voice typing, meeting bot, and voice memos for iPhone Datasets for RAG, fine-tuning and training built from public sources
StageStartup Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Paid
PricingFree: Unlimited on-device dictation, AI cleanup up to 2,000 words/week, custom vocabulary included. Pro: $9.99/mo with unlimited dictation and AI cleanup (fair use), cloud transcription (~250 min/month), meeting bot (5 hours/month), follow-up email drafts, meeting history. Pro+: $19.99/mo with every Web Corpus: starter sets from $49 (250,000-500,000 documents); shelf corpora from $99-$199 per shelf (one-time license); Everything (full crawl) $3,000 one-time; Whole Library (all builds for one year) $5,000 per year. Reference Collections: Encyclopedia $1,200 commercial or $349 research (one-time)
Key features
  • On-device transcription using Apple's Speech framework
  • Cloud transcription with Deepgram Nova-3
  • AI cleanup removes filler words and fixes grammar
  • Meeting bot with speaker-labeled transcripts
  • Multilingual support with 69 language options
  • Custom vocabulary free on all plans
  • Voice memo with clipboard paste
  • Works in any iOS app with text input
  • Follow-up email drafts after meetings
  • Whisper-quiet dictation without speaking at full volume
  • Web corpus with 100.7M documents and 105B tokens from Common Crawl
  • Documents scored with Bear Rank and shelved by subject
  • 15 million encyclopedia entries with sources and model attribution
  • 200 million synthetic Q&A records with metadata
  • Delivered as JSONL and Parquet formats
  • Free samples available on Hugging Face
  • Command-line client with resumable downloads and SHA-256 verification
  • Statistics collection with 7,000 topics and 140,000 figures
  • Glossaries for 10,000 topics with one million definitions
  • Book Q&A dataset with 8,000 titles for reading comprehension
What makes it different
  • Option to keep audio on device with on-device transcription, unlike competitors
  • Meeting bot included in Pro plan starting at $9.99/mo
  • Custom vocabulary free on all plans including Free
  • One-tap dictation with Action Button on iPhone 15 Pro or later
  • Multilingual auto-detection including mid-sentence language switching
  • All datasets built only from public sources with full provenance tracking
  • Every record includes source attribution and licensing information
  • Eight curated subject shelves for targeted corpus selection
  • Flexible purchasing: buy individual shelves, slices, or entire library
  • Over 4 TB of clean, deduplicated text ready for machine learning
Community votes00
DR (Domain Rating by Ahrefs)5 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)95
Citation Flow (Majestic)1928
Referring domains (Majestic)3269

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