A Third Ear vs Kioku
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
A Third Ear
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Capture every detail. Edit with precision. Understand with AI. This is the ultimate tool for professionals who need more than just a voice recorder. Designed for executives, scribes, and project managers, this app organizes your audio into dedicated Series, transforms messy transcripts into polished documentation, and provides instant AI-powered insights entirely on-device Key Features Organized Series Tracking: Group your recordings by project, client, or recurring meeting. Keep your workspace clutter-free and find exactly what you need in seconds. AI-Powered Revision: Our professional scribe AI cleans up typos, removes filler words and ensures semantic correctness while preserving the speaker's original voice. Smart Summaries & FAQs: Automatically generate structured summaries and Frequently Asked Questions from your audio. Use the interactive Markdown editor to refine and personalize the output. Deep Search: Search through your entire library by filename or custom tags. Find that one specific quote from a meeting six months ago instantly. Precision Editing: Total control over your data. Edit transcripts and summaries directly within the app using a seamless Markdown-enabled interface. Collapsible Context: Focus on what matters. Use organized, collapsible sections to toggle between the raw transcript, the summary, and the AI-generated FAQ. Works offline. No Ads. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://messsoftwaretechnologies.com/privacy.html
Kioku
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Kioku is a personal knowledge library for Mac. Save articles, PDFs, websites, and your own Markdown notes into organized vaults you can read, search, annotate, and keep with you offline. Use Kioku to turn scattered research into a calm, durable library. Paste a URL to archive a single page, save a PDF from your Mac, or crawl more of a site when you want a deeper reference vault. Kioku stores your content as Markdown with downloaded assets, so your library stays portable and readable outside the app. Write your own notes with a focused Markdown editor, add images, create internal links, and keep authored notes separate from saved web pages. While reading, select passages to save excerpts and notes so important ideas do not disappear after the first pass. Kioku also includes optional local AI features for summaries, retrieval, chat, and study cards. Supported models run on your Mac, keeping those experiences local to your device. Features: Save articles, PDFs, pages, and websites into Markdown vaults Read saved content offline in a native Mac interface Write and edit Markdown notes Organize saved pages into vaults Search your library Annotate passages and save excerpts Generate summaries with optional on-device AI Create study cards from saved pages and notes Store content in a local or iCloud Drive-backed folder Keep your library portable with Markdown files and assets Kioku is for readers, researchers, students, builders, and anyone who wants a quieter place to collect what matters.
Screenshots
Verdict
The clearest difference is in-app purchases: Kioku at none against A Third Ear's 4. Kioku also leads on update cadence (every 2 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. A Third Ear sells 4 in-app purchases, starting at $4.99 per year. Kioku asks for nothing beyond the download.
A Third Ear ships an update fortnightly, Kioku every 2 days. The most recent releases landed on October 25, 2026 and September 29, 2026 respectively.
| Parameter | A Third Ear | Kioku |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details โ not scored | ||
| Size | 816 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | MESS Software Technologies LLC | Kai Kang |
In-app purchases
A Third Ear
- A ThirdEar Annual Sub1 Month trial$4.991 Year
- Small Tip$0.99
- Medium Tip$4.99
- Large Tip$9.99
Kioku
No in-app purchases









