MemoKey vs ZenFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MemoKey
This app provides quick access to your saved notes and text snippets directly from your keyboard. Easily paste frequently used messages, templates, or even drawings into any application without switching screens. Organize your content with tags, pins, and search, and enjoy offline access with robust privacy features.
- Paste notes directly from keyboard
- Smart placeholders for dates and cursors
- Organize with tags, pins, and search
- Sketch and paste drawings
- Offline and private note storage
- Home screen and lock screen widgets
- Integration with Shortcuts app
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MemoKey keeps your text snippets, saved replies and message templates on your keyboard. Save a reply once, then paste it into any app with one tap. PASTE FROM THE KEYBOARD • Your notes in every app: Use your saved notes, quick replies and templates in Messages, WhatsApp, Gmail and any other app, filtered by tag, pinned or recent. • Paste key: Insert what you copied without switching keyboards. It needs Allow Full Access and reads the clipboard only when you tap it. • Smart placeholders: {date}, {time}, {date+3}, {clipboard} (keyboard: with Allow Full Access) and {cursor} fill in as you insert; Insert Placeholder in the editor adds them. • Switch back after inserting: Go back to your other keyboard right after a note goes in. • Keyboard tabs: Notes, Keyboard, Draw and Kaomoji. The Keyboard tab is plain typing (letters, 123, VN), no autocorrect or suggestions; Kaomoji inserts by category, plus Recent. Both work while MemoKey is locked and without Full Access; nothing you type is stored. • Fill-in fields: {ask:Name} asks for a value as you insert; the keyboard shows your last 5 answers as chips, on this device only and never for locked notes (off or Clear in Settings > Keyboard). • Telex: The VN key types Vietnamese in the Keyboard tab and fill-in fields (Vieejt becomes Việt); touch and hold a letter to type it as is. ORGANIZE IN SECONDS • Tags, pins and search: List or grid view, pin the important notes, drag pinned notes into your own order and find them in seconds. • Tag filters: Tap a tag on a note card to see its notes, or a second tag in search for notes with both. A new note added there gets those tags. • Find and Replace: Change a phone number, price or link in every note at once or only in one tag, with Undo. • Insert Note: Put another note's text at the cursor while you edit. • Copy button: Copy the note from the editor with placeholders filled in. • Previous Versions: Restore one of a note's last 10 texts; kept on this phone only. • Trash with Undo: Undo after you delete. Deleted notes wait 30 days; swipe a row to restore or delete. WIDGETS AND SHORTCUTS • Home Screen widget: Your pinned notes, or the notes of one tag. On iOS 17 or later a tap copies a note. Locked notes are never shown. • Lock Screen and Control Center: New note, Search notes and Copy note in one tap, also from the Action button (iOS 18 or later). • Shortcuts app: Use a note's text in any shortcut, save text as a new note, or add text to a note with Append to MemoKey Note (iPhone and iPad). • Save from anywhere: Select text in any app and share it to MemoKey to save it instantly. PRIVATE AND OFFLINE • No account, no ads, no tracking and no MemoKey servers. MemoKey collects no data, and your notes stay on your device. • Protect the app with a passcode, Face ID or Touch ID, and change your passcode any time. • Lock single notes behind your passcode (PRO). YOUR DATA, YOUR WAY • Backup to iCloud or Files: Back up to your own iCloud or a folder in Files (Google Drive, Dropbox), automatically if you like, with a reminder after 30 days. Nothing is uploaded unless you turn it on. • Export: JSON and CSV backups, or all notes in one Markdown file that MemoKey can restore. • Bring your notes along: Import Google Keep (.json), Evernote (.enex), .txt and .md files, Mac Text Replacements and the Gboard dictionary. • Open with MemoKey: Tap a MemoKey backup or export in Files, Mail, Google Drive or Downloads to restore or import it. MORE BUILT IN • 60,000+ kaomoji: A huge library of text emoticons (^_^) by category, searchable in English and Vietnamese. • Scan text: Add the printed text of up to 10 photos at once to a note. Read on your phone; the photos are not kept. MAKE IT YOURS (PRO) Unlimited tags (free: 10), locked notes, custom colors and your own background image. What you set up with Pro stays yours if Pro ends. --- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ZenFlow
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ZenFlow is a calm place to plan your day, capture ideas, understand your money, and track your health — redesigned as one flat, uncluttered view instead of a stack of separate cards. YOUR DAY, AT A GLANCE Open the app to a Daily Brief: what needs attention now, your nutrition/BMI/cycle/spending signals, and quick capture for a new event, expense, or note — no digging through tabs. SCAN A MEAL Photograph a plate and get an AI-assisted estimate of calories and macros, ready for you to review and adjust before saving. Track daily targets and recent meals from Home. CALENDAR THAT REMINDS YOU PROPERLY Week and month views, conflict warnings for overlapping or back-to-back events, and reminders that show up as alarm-style Live Activities on your Lock Screen and Dynamic Island (iOS) — countdown, time, and one tap back into the app. Track your menstrual cycle alongside everything else, with period, ovulation, and fertile-window predictions. MONEY MADE CLEAR Log income and expenses with tags and categories, set budgets with rollover, and see spending trends, a map of where you spent, and a subscription tracker that reminds you before renewals hit. Attach a receipt photo to any transaction. NOTES THAT KEEP UP One editor for rich text, freehand sketching, voice memos, and inline photos — not three separate tools. Lock a note with Face ID or a password, import a PDF or Word doc to mark up, and search everything instantly. A WEEKLY REVIEW, FREE Every week, ZenFlow surfaces two wins, one thing that needs attention, and one commitment for the week ahead — worked out entirely on your device, no account or AI call required. ASK ZENFLOW Ask what's on your schedule, how much you've spent this month, or your nutrition today — or ask ZenFlow to add an expense, event, or note for you. Every change is confirmed before it saves, with a short window to undo. DESIGNED TO GET OUT OF YOUR WAY A flat, distraction-free interface in Light and Dark mode, tuned typography, and no card-on-card clutter. Free to use, with an optional Pro upgrade for deeper Reports, unlimited exports, and ad-free use. Health and wellness features are for personal tracking and general informational purposes only. They are not medical advice and do not diagnose, treat, or replace consultation with a qualified healthcare professional. Always consult a doctor about any health or medical concerns. AI-assisted estimates (meal scanning, reflections) are a starting point for you to review, not a guaranteed-accurate reading.
Screenshots
Verdict
The clearest difference is ads: MemoKey at none against ZenFlow's shown. MemoKey also leads on update cadence (every 4 days vs every 9 days). 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. MemoKey sells 3 in-app purchases, starting at $1.99 per month and ZenFlow sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
MemoKey ships an update every 4 days, ZenFlow every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | MemoKey | ZenFlow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days — better | Every 9 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 88 MB | 126 MB |
| Age rating | 4+ | 4+ |
| Developer | Tran Cong Minh | Dao Duy Thai |
In-app purchases
MemoKey
- MemoKey Pro Monthly7 Days trial$1.991 Month
- MemoKey Pro Yearly$9.991 Year
- MemoKey Pro$19.99
ZenFlow
- ZenNote Pro Monthly7 Days trial$2.991 Month
- ZenNote Pro Quarterly7 Days trial$6.993 Months
- Premium Semiannual7 Days trial$9.996 Months
- ZenNote Pro Lifetime$29.99









