AI Repeater

Advanced WhisperKit local AI engine for complete offline speech-to-text. Word-level timestamps, 20+ languages. All data processed locally to protect your privacy.

AI Repeater is a professional language learning tool based on local AI technology, using the advanced WhisperKit engine for completely local speech-to-text processing. Learn languages effectively through your favorite audio and video materials.

【Core Technology】

▸ WhisperKit Local AI Transcription Engine • Powered by Apple Silicon-optimized WhisperKit framework • Completely local processing, no internet required, privacy protected • Word-level timestamps for precise positioning • Intelligent sentence segmentation with automatic semantic boundary detection • Supports 20+ languages with automatic detection and transcription • High-precision offline processing for long audio files

▸ Precise Playback Control System • Word-level timestamp-based precise navigation • Tap paragraph to instantly jump to playback position • Loop playback with customizable repeat count • Adjustable playback speed (0.5x - 2.0x) • Configurable playback interval • Mini player with floating controls

【Professional Learning Features】

▸ Smart Vocabulary System • Collect key sentences and paragraphs • Spaced Repetition learning algorithm • Smart daily review reminders

▸ Shadowing Recording Feature • Play original audio first, then record your shadowing • Automatic recording save and management • Recording scoring analysis support • Shadowing history tracking

▸ Subtitle Editing and Export • Visual subtitle editor • Export to SRT standard subtitle format • JSON structured data export • Plain text export with translation support

【File Management】

• Supports multiple audio/video formats (MP3/WAV/M4A/MP4/MOV/M4V) • Import files from other apps • File categorization and organization

【Device Requirements】

• iOS 17.0 or later • AI transcription requires A13 Bionic chip or later

• Supported devices: iPhone 11 and later, iPad (9th generation) and later
• Devices without AI transcription support can still use playback, vocabulary, and other features

【Privacy and Security】

• All audio/video files stored completely locally • AI transcription processed entirely offline on device • No audio or transcription text uploaded to servers • No personal data collection • Complies with Apple privacy standards

AI Repeater is designed for serious language learners. With support for 20+ languages, everyone can get a professional-grade learning experience.

Download now and start your intelligent language learning journey powered by local AI.

Official Website: https://k1er.github.io/