SonicScript vs WhisperDirect

Turn Text into Speech with SonicScript – Your Smart Reading Companion SonicScript is a powerful and easy-to-use text-to-speech (TTS) app designed to boost reading, learning, and productivity. Whether you’re studying, multitasking, or just prefer listening, SonicScript transforms any text into natural-sounding audio — in seconds. Key Features: • Instant Text-to-Speech Conversion – Type or paste text and convert it to clear, natural audio. • Background Listening – Queue audio files and listen while the app runs in the background or on a locked screen. • Premium Voice Library – Choose from downloadable, high-quality voices in multiple languages and accents. • Adjustable Speech Speed – Customize playback speed for a better listening experience. • Save Notes – Store text notes in your personal library for quick access and playback. • Export Audio Files – Convert notes into high-quality M4A audio files for offline use, sharing, or focus sessions. Smart Imports – Bring in content from: • PDF, TXT, and RTF files • OCR (convert images to text) • Audio files (M4A) • App's built-in library Organized Library – Manage notes and audio files easily with a clean, intuitive interface. iCloud Sync – Your notes stay safe and accessible across all your Apple devices. Ideal for students, language learners, audiobook fans, professionals, or anyone who wants to absorb text by listening.

WhisperDirect is an audio transcription and summarization app built around the high accuracy of the Whisper API. In addition to the Whisper API using your own API key, it includes on-device features such as Apple Speech, Speaker Diarization (NVIDIA Nemotron 3), and OCR. For summaries and meeting minutes, choose from OpenAI / Gemini / OpenAI-compatible LLMs, using APIs only as much as you need. One-time purchase — no subscription. Pricing & Experience ・7-day free trial included ・On-device features (Apple Speech / Speaker Diarization / OCR) are free, no API key required ・Whisper API and LLM (Summary / Minutes) are billed by each provider on a usage basis 　(The app does not charge for API usage) Cost Estimates ・Whisper API: ~$0.006/min (1 hour ≈ $0.36) ・Segment re-transcription (gpt-transcribe): ~$0.0045/min ・On-device features incur no API fees ・Actual costs vary with audio length and settings ・OpenAI API pricing: https://openai.com/api/pricing ・Gemini / custom providers follow each service's pricing ・Locally-run custom providers (e.g. Ollama) incur no API fees Transcription Engines ・Whisper API (OpenAI): high accuracy with your own API key ・Apple Speech (On-device): no API key, iOS 26+ ・Switchable from settings Models for Summary & Minutes ・Choose from OpenAI / Gemini / Custom 　- OpenAI: GPT-6 Luna / GPT-5 nano / GPT-5 mini / GPT-4.1 nano / GPT-4.1 mini 　- Gemini: requires Google AI Studio API key (gemini-*-pro / flash / gemma) 　- Custom: OpenAI-compatible APIs (Ollama / LM Studio / self-hosted) ・Processing costs only a few cents even for several-thousand-character text Key Features ・Record with the mic button and transcribe on the spot ・Live Preview: real-time transcription while recording (on-device) ・Recording display mode switch (Waveform / Simple) ・Import audio files → transcribe (Share Sheet) ・Video import (audio extracted and compressed) ・Transcript auto-highlights with playback position ・Insert timeline markers at any interval (5-sec steps) ・Generate summaries from transcripts ・OCR from images (batch supported, no API fees) ・Generate meeting minutes (prompts editable) ・Re-transcribe misrecognized segments in the editor 　(Uses OpenAI gpt-transcribe; billed by usage) ・Re-transcribe specific items with Whisper API, even while using Apple Speech ・Speaker diarization (NVIDIA Nemotron 3, on-device) ・Export: Audio / Text / Summary / Minutes / VTT / SRT ・Auto-post to Slack ・Webhook integration (Discord, Slack, n8n, etc.) ・Google Drive auto-backup ・Estimated cost display ・Fine-grained settings (LLM model, timeline interval, prompts) 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 ・Whisper API requires an OpenAI API key ・On-device features work without an API key ・Prices, specs, and models may change per provider