Diary Keeper vs Folio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diary Keeper
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Diary - Your Personal Journal Capture your life's moments with Diary, the ultimate app for personal journaling. Whether you want to document your daily activities, reflect on your thoughts, or keep track of important events, Diary offers everything you need. Key Features: Diary Entries: Write and save your daily thoughts and experiences securely. Tags: Organize your entries with customizable tags. Image and Location Attachments: Add photos and locations to your entries for a richer storytelling experience. Activities: Track your activities and incorporate them into your diary entries. Backgrounds and Fonts: Personalize your entries with various backgrounds and font options. Privacy: Keep your journal private with secure entry storage. Start your journaling journey with Diary today and discover the power of capturing your life's moments in your own words.
Folio
Capture, organize, and secure your thoughts with a beautiful note-taking app. Features include folders, tags, and device synchronization. Keep your private notes safe with passcode and biometric locking.
- Capture notes quickly
- Organize with folders and tags
- Lock private notes with passcode/biometrics
- Sync across all devices
- Offline note-taking
- Light and dark mode
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Beautiful notes with folders, tags, locking, and sync across all your devices. Capture in a tap Open the app, tap once, and start writing. Pick a color, format the way you like, and Folio saves automatically. Nothing is ever lost. Organize when you're ready Drop notes into folders. Add tags so you can find things later. Pin the ones that matter most, favorite the ones you keep coming back to. Filter your wall by tag, folder, or color in a single tap. Keep private notes private Lock any note with a 4-digit passcode. Unlock with Face ID, Touch ID, or fingerprint when you need it. Wherever you are Your notes sync across all your devices. Write offline on a flight or in the subway, Folio catches up the moment you're back online. Made to feel good Light and dark mode. Smooth, thoughtful animations. Search that finds what you mean. A trash that holds onto deleted notes for 30 days, just in case.
Screenshots
Verdict
The clearest difference is ads: Diary Keeper at none against Folio's shown. Diary Keeper also leads on update cadence (every 3 weeks vs every 2 months). Folio's advantage is iOS requirement (15.1 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Diary Keeper ships an update every 3 weeks, Folio every 2 months. The most recent releases landed on September 19, 2026 and October 3, 2026 respectively.
| Parameter | Diary Keeper | Folio |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 97 MB | 47 MB |
| Age rating | 17+ | 4+ |
| Developer | Saranjith Krishnan | Zluck Solutions |
In-app purchases
Diary Keeper
No in-app purchases
Folio
No in-app purchases









