Folio vs Secret Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Secret Notes
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Secret Notes - SLOX is a minimal, offline notepad that lets you lock your private notes with a PIN code and device biometrics. KEY FEATURES • Quick note creation with title and body • PIN lock (4-6 digits) - stored as a one-way hash, never the original • Optional Face ID / Touch ID unlock • Auto-lock when the app goes to background • 7 languages: English, Korean, Japanese, Chinese (Simplified/Traditional), Spanish, Portuguese • Light and dark themes PRIVACY FIRST • No sign-up, no login • All notes stored locally on your device • No cloud sync, no server communication (apart from ads) • If you forget your PIN, notes cannot be recovered - we cannot reverse the local hash For diaries, ideas, passwords hints, anything you want to keep to yourself - Secret Notes - SLOX.
Screenshots
Verdict
The clearest difference is iOS requirement: Secret Notes at 13.0 against Folio's 15.1. On price, ads, 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.
| Parameter | Folio | Secret Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 47 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Zluck Solutions | SEOKWON YANG |
In-app purchases
Folio
No in-app purchases
Secret Notes
No in-app purchases









