Comparison

DiaPlayer vs AI Repeater

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DiaPlayer

This app transforms any audio into a focused listening practice tool. It offers features like AI-powered transcription with local subtitles, sentence-level repetition, dictation with subtitle masking, and pronunciation practice. Users can also save difficult sentences and new words for later review, and subscribe to podcasts for offline listening.

Highlights
  • AI auto transcription with local subtitles
  • Sentence-level loop and dictation
  • Follow-reading and pronunciation practice
  • Difficult sentence and new word saving
  • Podcast RSS subscription and offline playback
  • Adjustable playback speed and A-B repeat
Features
Read full description

DiaPlayer 让任意一段音频,都可以变成适合精听学习的材料。你可以逐句反复听、遮挡字幕听写,也可以开口跟读,把“听过”变成“真正听懂”。 【特色功能】 AI 自动转写,本地生成字幕 导入音频后,DiaPlayer 可使用设备端 Whisper 模型在本地生成字幕,并支持词级时间轴跟随。转写过程无需联网,音频内容不上传,更好保护隐私。 精听与听写模式 支持逐句循环、智能断句、字幕遮挡和盲听练习。你可以边听边写,再即时对照字幕,从“听个大概”逐步练到“逐词听清”。 跟读复述,练出口语 选择原句进行跟读录音,随后回放对比,帮助你发现发音、重音和语调问题,让听力输入真正转化为口语输出。 难句本与生词本 遇到没听懂的句子、不认识的单词,可以一键收藏。之后随时回顾、反复精听,集中突破薄弱内容。 播客资源中心 支持通过 RSS 订阅英语播客,并下载音频离线收听。你喜欢的真实语料,可以直接进入精听、听写和跟读流程。 顺手的播放体验 支持变速播放、A-B 复读、后台播放,并自动记忆播放进度、收藏内容和学习记录。 【适合人群】 · 正在备考雅思、托福、考研等考试,希望提升听力能力的学习者 · 想用播客、课程、影视音频等真实材料磨耳朵的英语学习者 · 认可精听训练,希望从“听得懂大意”进阶到“听清每个词”的学习者 下载 DiaPlayer,把每一段音频都听细、听懂、听透。

About

AI Repeater

Features
Read full description

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/

Screenshots

DiaPlayer4 screens
AI Repeater3 screens

Verdict

The call

The clearest difference is update cadence: DiaPlayer at every 6 days against AI Repeater's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DiaPlayer ships an update every 6 days, AI Repeater every 4 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 8 level
DiaPlayer versus AI Repeater: the parameters behind the verdict, then further details
ParameterDiaPlayerAI Repeater
PriceFreeFree
Rating4.5 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 6 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS1716.0 — better
Further details — not scored
Size481 MB1.1 GB
Age rating4++4
Developer翔辉 俞向阳 杨

In-app purchases

None

DiaPlayer

No in-app purchases

None

AI Repeater

No in-app purchases

Questions

Is DiaPlayer free?
DiaPlayer is free to download, with no in-app purchases.
Is AI Repeater free?
AI Repeater is free to download, with no in-app purchases.
Do DiaPlayer or AI Repeater have ads?
Neither DiaPlayer nor AI Repeater shows ads.
Which is updated more often, DiaPlayer or AI Repeater?
DiaPlayer ships an update every 6 days, and AI Repeater every 4 weeks. Most recently, DiaPlayer was updated on October 25, 2026 and AI Repeater on October 28, 2026.

Other comparisons