WhisperDirect vs SecureTalkiOS

WhisperDirect is a high-accuracy speech-to-text and summarization app that works with your own API key. No subscription required — you only pay OpenAI’s usage fees when you need it, making it more cost-effective than subscription-based apps. Pricing & Trial • Free trial: 5 sessions included • After the trial: one-time in-app purchase unlocks unlimited use of current features • API usage billed directly by OpenAI (the app does not charge for API usage) Cost Guide • With $5, you can transcribe about 14 hours of audio • Whisper API ≈ $0.006 per minute (≈ $0.36 per hour) • OpenAI API pricing → https://openai.com/ja-JP/api/pricing/ Models for summaries and meeting minutes Choose from compact, low-cost models: • GPT-4.1-nano • GPT-4.1-mini • GPT-5-nano • GPT-5-mini Even long texts (1,000–2,000 words) can usually be processed for just a few cents per run. Main Features • Record with the microphone button and instantly convert to text • Import audio files (or directly from the share sheet) • Import video files (audio extracted and compressed automatically) • Playback-synced highlighting of transcript segments • Insert timeline markers (configurable in 5-second steps) • Generate summaries and meeting minutes (prompts editable in Settings) • OCR transcription from images (supports multiple images, all processed locally with no extra API cost) • Export audio, text, summaries, minutes, or subtitles (VTT / SRT) • Automatically post transcripts/summaries/minutes to Slack • Estimate costs in Settings (based on audio length and character count) • Other customization options (LLM model, timeline interval, prompts, etc.) Supported formats Audio: mp3, m4a, aac, wav, flac, ogg, opus, wma, amr, mpga, webm, aiff, caf Video: mp4, mov, m4v, webm, mkv, avi, mpeg, mpg Notes • An API key (such as OpenAI) is required • Pricing and available models may change according to OpenAI’s offerings

Brand Name SecureTalk Brand Vision To ensure every conversation is fully understood in a secure, real-time, and cloud-independent environment. Brand Mission Built on an Edge AI architecture, SecureTalk provides a real-time voice AI solution that runs on standard PCs and laptops without requiring a GPU or cloud upload. It is designed to address the following challenges: ・Confidential meetings cannot be uploaded to the cloud ・Long meetings require excessive time and effort to organize ・Multilingual communication remains inefficient ・Enterprise IT security policies often prevent the adoption of SaaS-based voice services