Comparison

Zero Note vs Silph Pass

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Zero Note

Securely share encrypted notes that automatically disappear after being read or based on custom rules. Options include self-destruction by views or time, location-based access control, and email notifications upon opening. Access notes from any device via a keyboard extension.

Highlights
  • Self-destruct by views
  • Self-destruct by time
  • Location-based access control
  • Email notifications on opening
  • Keyboard extension access
  • Audit trail
Read full description

Zero note: Self-destruct shareable encrypted notes Think of it's a way to share one time secrets, one time confidential notes with others that disappears after its been read or based on your self-destruct rules. A secure way to share a private encrypted note that self-destruct automatically based on your own terms: 1. Self-destruct by views 2. Self-destruct by time 3. Whitelist by location, country or anywhere 4. Get notified by email when it is opened by the recipient 5. Accèss Zero Note from anywhere using the keyboard extension. 6. Audit Trail note when it was first seen and last seen.

About

Silph Pass

Features
Read full description

Silph Pass is the enterprise sign-in companion that makes multi-factor authentication faster, safer, and easier — wherever you work. Whether you're signing into corporate SSO or managing personal 2FA codes, Silph Pass approves you in one tap. KEY FEATURES • One-tap sign-in approval — Approve web or desktop logins from your iPhone without typing passwords or copying codes • TOTP code generator — Scan a QR code to add any service that supports two-factor authentication, including GitHub, AWS, Google, and more (RFC 6238 compliant) • Device management — See every device bound to your account, instantly revoke compromised or lost devices, and export full audit logs • Multi-tenant support — Connect to multiple enterprise organizations, switch with one tap, and always see exactly which host you're authenticating to • Works offline — TOTP codes are generated locally on your device, so you can authenticate without a network connection SECURITY & PRIVACY • Secrets are encrypted on-device using iOS Keychain and the Secure Enclave — nothing ever leaves your phone • Face ID, Touch ID, and device passcode gate every app launch and sensitive action • No address book scraping, no advertising IDs, no behavioral analytics — period • Multi-tenant flows require explicit host confirmation to prevent phishing-driven cross-domain enrollment DESIGNED FOR • Enterprise SSO step-up authentication • Remote and hybrid workers signing into corporate apps from anywhere • Developers managing TOTP codes across multiple accounts • Replacing SMS one-time codes that are vulnerable to SIM swap attacks REQUIREMENTS iOS 13.0 or later; best experience on devices with Face ID.

Screenshots

Zero Note4 screens
Silph Pass3 screens

Verdict

The call

The clearest difference is in-app purchases: Silph Pass at none against Zero Note's 2. Silph Pass also leads on iOS requirement (13.0 vs 18.0). Zero Note's advantage is update cadence (every 3 days vs weekly). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Zero Note sells 2 one-off in-app purchases. Silph Pass asks for nothing beyond the download.

UpkeepUpdate frequency

Zero Note ships an update every 3 days, Silph Pass weekly. The most recent releases landed on October 1, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 6 level
Zero Note versus Silph Pass: the parameters behind the verdict, then further details
ParameterZero NoteSilph Pass
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size10 MB38 MB
Age rating17+4+
DeveloperPradeep BuruguShanghai Paraview Software Co., Ltd.

In-app purchases

2 purchases

Zero Note

One-time2
  • Zero Note Lifetime Basic$9.99
  • Zero Note Lifetime Pro$12.99
None

Silph Pass

No in-app purchases

Questions

Is Zero Note free?
Zero Note is free to download, with in-app purchases available.
Is Silph Pass free?
Silph Pass is free to download, with no in-app purchases.
Do Zero Note or Silph Pass have ads?
Neither Zero Note nor Silph Pass shows ads.
Which is updated more often, Zero Note or Silph Pass?
Zero Note ships an update every 3 days, and Silph Pass weekly. Most recently, Zero Note was updated on October 1, 2026 and Silph Pass on September 16, 2026.

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