Knowledge Notes vs memomem
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knowledge Notes
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Knowledge is a local-first personal knowledge base for capturing, organizing, and revisiting ideas over time. Write Markdown notes, organize them with folders, tags, favorites, and archives, connect related notes with [[wiki links]], search titles, content, and tags locally, and import web links, text, or files from the iOS share sheet. This version focuses on an offline-friendly, stable note-taking workflow. It does not require an account and does not rely on a custom server.
memomem
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■ Capture an idea the moment it comes — just say it memomem is a memo app you can use by simply talking. Tap “Hands-off” once and speak. When you stop talking, the memo saves itself and the app says “Saved”, so you never have to look at the screen. Ideas that come while driving or doing chores don't slip away. ■ Three ways to capture • Hands-off — tap to start; it saves when you stop talking • Hands-on — records only while you hold the button; release to save • Typing — write directly in the box and save You can attach screenshots and photos too. ■ Turn photos of text into Markdown Snap a book page, a handout or a whiteboard and memomem reads the text into a memo. Large text becomes headings, lines starting with “•” or numbers become lists, and tables become Markdown tables (tables need iOS 26 or later). The original photo stays in the memo so you can compare. Text is read on your iPhone only. ■ A daily journal that writes itself Choose the “Journal” folder and everything you save that day is added to one note, each entry with its time. Just speak whenever something comes to mind and you end up with one page per day. ■ A home for your prompts Found a useful prompt on X or elsewhere? Copy it, tap “Paste”, and it's saved. When you need it, tap “Copy” in the list and paste it straight into your AI app. Paste a URL and memomem shows the link's thumbnail and title (a YouTube video's name, for example). ■ Easy to find later • Every memo gets a title automatically • On iPhones with Apple Intelligence, on-device AI writes a title that fits the content • Organize with date headings, folders, tags and search • Deleted memos stay in Trash for 7 days, so you can bring them back ■ Your memos live in your own folder Memos can be saved as Markdown files (.md) in any folder available in the Files app — iCloud Drive, Google Drive, Dropbox and more. Open the same folder on your computer to read them. It also works as an Obsidian vault, and journal notes use the same format as Obsidian daily notes. No account is needed. Your memos are never sent to our servers. ■ Good to know • Speech-to-text uses the iPhone's speech recognition (Apple). Microphone and speech recognition access are required • AI titles work only on Apple Intelligence–capable iPhones running iOS 26 or later. On other iPhones, titles are made from the memo text • Please operate the app only when it is safe. Set things up while parked; while driving, use it only by tapping the button once ■ About ads memomem is free to use. To support it, a banner ad is shown at the bottom of the screen.
Screenshots
Verdict
The clearest difference is ads: Knowledge Notes at none against memomem's shown. On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Knowledge Notes | memomem |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Geeker Technology (Sanhe) Co., Ltd. | Mitsuo Watabe |
In-app purchases
Knowledge Notes
No in-app purchases
memomem
No in-app purchases









