Auto Audio vs On‑Device AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Auto Audio
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The app will provide 8 solutions for recording the sound. 1 Record from Apple Watch. In Watch OS 5, could record the sound when the watch screen is off. When this App records the sound in the background in Apple Watch, sometime, a red icon of microphone will be displayed at the top middle of Watch Screen. That means, this App is recording the sound in the background status. Just tap this red icon, this App will be displayed again. After finishing the recording, the record file will be transferred to the iPhone automatically. In iPhone, when we tap the file folder icon on the top left corner in the main tab controller, the file from watch will be displayed. In Watch App, tap the table cell, the detail of the record sound will be displayed. We will see a transfer button. If we need to transfer the record file to iPhone again, please tap this button. 2.Auto: When this App is inactive, just tap this App icon, this App could record the sound automatically.When you need to record the sound as soon as possible, you may like this solution. If you need to get this solution, just make the fast tab page appear before you press the home key. 3 Intelligent: this App could start recording the sound when the pitch level of sound is over the indicted level of starting record. It could stop recording when the pitch level of sound is below the indicted level of stopping record. If you need to record the sound when it is higher than some pitch level, just make the intelligent tab page appear. 4 Gesture: gesture double tap or pinch could create the different size sound files. The larger size is more qualified. The smaller size could save the disk space and the sound is also qualified. If you need to use this solution, just make the gesture tab page appear. 5 Proximity: Cover the top part of the iPhone screen , this App will record the sound. Cover the iPhone screen again, this App will stop recording. In some situation, you do not want to tap the device screen, then this solution is yours. For example, you could use one book to cover the top part of the iPhone screen, or use your hands, your clothes,and even use your face.If you need to use this solution, just make the proximity tab page appear. 6 Delay the action : delay the recording after 0 - 30 seconds. In some situations, you want to record the sound after a little time, then this solution may help you.If you need to use this solution, just make the timer tab page appear. 7 Standard recording the sound, if you just want to record the sound by tapping the button directly, this App is yours. Just make the timer tab page appear, ensure the delay is zero second, and tap the button of Record One Audio Clip. 8 Repeat recording. Some times, you may need to record the sound files after the indicted duration. In the timer tab page, tap the button - record the audio by interval. In iPhone or iPad, this App could also continue recording the sound in the background. You could set your preferences. So tap the button at the upper right corner of the main view, you could set your own preferences from the setting view. These preferences includes the max duration of the sound file, the sound pitch level for start record and stopping record. You could also indict whether enable the background record when this App is inactive. After the file is created, you could send the sound file by email account in your device.By using the iTune File Sharing features, you could export the record sound to the iTune computer such as Mac PC. Tap the To iCloud button, the new view will display the item : iCloud Drive, tap this item to export the file to iCloud. In the main view, just tap the upper left button, you could view the file folder, the sound file size and sound duration will be displayed. The user could rename the sound file. You could play the sound file according to your needs.
On‑Device AI
Transform your device into a private AI assistant for meetings and complex tasks. Features include speaker diarization, live transcription, and specialized subagents for research, analysis, and writing. Control your AI via messaging apps, with options for 100% offline processing or cloud connectivity.
- Speaker Diarization for meeting transcripts
- Real-time live transcription
- Natural AI speech generation
- Deploy specialized AI subagents
- AI-powered web browser automation
- Control AI via messaging apps
- 100% offline processing option
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On-Device AI puts chat, listening, transcription, notes, and research in one private app for iPhone, iPad, Mac, and Apple Vision Pro. Your data stays on your device. Download a model once and keep working on a plane, on the subway, or without a signal. Chats, documents, recordings, and notes stay on your device. Online providers and web features are optional and work only after you enable them. ONE APP, YOUR WAY Open every workspace from a customizable Menu. Keep favorites under Pinned and everything else close by under Available. AI CHAT Chat with local or cloud models. • Run local models from families such as Gemma, Qwen, DeepSeek, and Mistral, or connect your own provider account • Browse, download, and manage models that fit your device, including ones for text, vision, reasoning, and tools • Drop in documents, images, and scanned PDFs; approve private on-device OCR only when a PDF needs it • Fork any conversation and compare several models on the same prompt • Let the model use tools for calculations, web requests, documents, Calendar, and Reminders, and review proposed changes before they apply • Create reusable Agent Profiles, then add AI Skills, MCP servers, and tools from one clearer Agent Workflows setup • Keep facts you repeat often in Global Memory LISTEN LIBRARY AND RSS FEEDS Read less, listen more. • Turn PDFs, Markdown, plain text, web articles, and scanned books into a listening queue • Scan photographed pages, correct the OCR the app runs on device, and keep each page with its spoken text • Follow sites through RSS, Atom, and JSON feeds, then send articles to Up Next • Choose Apple voices or local neural voices, follow along in the reader, and set a sleep timer VOICE NOTE, VOICE TYPING, AND TEXT TO SPEECH Speak instead of typing, and listen instead of reading. • Record and transcribe meetings, lectures, interviews, and quick ideas • Dictate with Voice Typing on Mac or the voice keyboard on iPhone and iPad • Transcribe with Apple Speech, Whisper, Parakeet, Nemotron, Qwen3-ASR, MOSS, and other engines • Turn text, or text captured from a photo, into audio with Apple voices, Kokoro, Supertonic, VoxCPM2, IndexTTS2, and other engines • Export transcripts as text, subtitles, or Markdown AI SEARCH AND AI BROWSER Research with a second pair of hands. • Search the web in a conversation and let the model read the results for you • Browse with tabs, profiles, history, and downloads, then ask your model to read, assist, or act on the page • Hand a task to the browser agent, watch each step, and take over whenever you want KNOWLEDGE AND TEXT NOTE Give your AI your own material to work from. • Add PDFs, text, Markdown, code, images, and website content to a private searchable library • Write and edit Markdown notes in the app • Import AI chats, voice notes, Text to Speech items, and AI Search results • Tune retrieval and index edited content again APP HELP Ask how a feature or setting works. App Help answers from a guide that ships inside the app, keeps help out of your saved chats, and points to the right settings. MADE FOR APPLE DEVICES • Native layouts adapt from focused navigation on iPhone to category sidebars on larger screens • Settings are grouped by purpose, including Voice Typing, Agent Workflows, Models & Storage, Privacy & Data, Memory, and—on Mac—Instant Messaging • Widgets for Listen, Voice Note, Text Note, and Quick Actions • Siri, Apple Shortcuts, App Intents, the Mac menu bar, and keyboard shortcuts you can customize • Apple hardware acceleration for supported local models • Browse chat, transcription, speech, and embedding models in one Model Library • Store models internally, on an external drive, or on a shared volume, with separate tools for cleanup and recovery • Interface in English, Dutch, French, German, Italian, Japanese, Spanish, Portuguese, and Traditional Chinese EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: On‑Device AI at Free against Auto Audio's $0.99. Auto Audio's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 18.0). On update cadence, ads 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
On‑Device AI is free to download; Auto Audio costs $0.99 up front. On‑Device AI sells 4 in-app purchases, starting at $3.99 per month. Auto Audio asks for nothing beyond the download.
Auto Audio ships an update every 4 weeks, On‑Device AI fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Auto Audio | On‑Device AI |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.4 (162 ratings) — better |
| Positive reviews | — | 63.6% of reviews |
| Number of ratings | — | 162 — better |
| Update frequency | Every 4 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Mac, Vision Pro |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 1.8 GB |
| Age rating | 4+ | 17+ |
| Developer | 方 沈 | Zijie Deng |
Bugs and requests
Auto Audio
Not enough reviews yet to summarise bugs or requests.
On‑Device AI
Reported bugs
3 issues- Crashes on startup
- Model selection issues
- Inability to copy generated text
Requested features
9 requests- Automated multi-character conversations
- Character set saving and syncing
- Streamlined search integration
- UI optimization for icons
- Remote endpoint support for multi-agents
Show 4 moreShow fewer
- HomeKit integration
- Improved documentation
- Enlarged agent input window
- Per-agent model assignment
In-app purchases
Auto Audio
No in-app purchases
On‑Device AI
- Pro Member Subscription$3.991 Month
- Pro Member Subscription$34.991 Year
- Lifetime Pro Member$49.99
- Lifetime Pro Member$99.99









