Comparison

Pteri Wallet vs Zero Note

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

Head to head
About

Pteri Wallet

This app provides a sovereign identity and payment platform, allowing users to own their identity and assets securely. It eliminates the need for centralized databases and third-party authentication, offering a seamless, self-custody environment.

Highlights
  • Cryptographic Sovereignty
  • Privacy-Enabled Settlement
  • Self-Custody Environment
  • Universal Bridge for Interaction
  • Confidential Value Exchange
Features
Read full description

PTERI: The Universal Layer of Trust. The era of centralized data leaks and shared secrets is over. PTERI (pronounced ‘Terry’) is a sovereign identity and payment platform that puts the power back into your hands. Built by KAKR Labs, PTERI is the first universal bridge between the legacy internet and the new era of human and robotic interaction. BE YOUR OWN BANK. BE YOUR OWN IDENTITY. PTERI eliminates the need for centralized databases, third-party biometrics, and vulnerable hardware keys. By utilizing the mathematical certainty of the world’s most resilient digital commodity—Litecoin—PTERI allows you to own your identity and your assets in one seamless, self-custody environment. KEY FEATURES: - Cryptographic Sovereignty: You don’t log in to services; you authenticate with them using cryptographic Signed Message technology. - Privacy-Enabled Settlement: Integrated with MWEB (MimbleWimble) technology, PTERI allows for confidential, secure, and instant value exchange.

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.

Screenshots

Pteri Wallet4 screens
Zero Note4 screens

Verdict

The call

The clearest difference is rating: Zero Note at 5.0 against Pteri Wallet's 3.5. Zero Note also leads on update cadence (every 3 days vs every 3 weeks). Pteri Wallet's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On price, ratings volume and ads 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. Pteri Wallet asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zero Note holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Pteri Wallet ships an update every 3 weeks, Zero Note every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 3 level
Pteri Wallet versus Zero Note: the parameters behind the verdict, then further details
ParameterPteri WalletZero Note
PriceFreeFree
Rating3.5 (2 ratings)5.0 (1 ratings) — better
Number of ratings2 — better1
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.0
Further details — not scored
Size86 MB13 MB
Age rating4+17+
DeveloperKakr Platform Inc.Pradeep Burugu

Customer experience

Pteri Wallet

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Zero Note

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Pteri Wallet

No in-app purchases

2 purchases

Zero Note

One-time2
  • Zero Note Lifetime Basic$9.99
  • Zero Note Lifetime Pro$12.99

Questions

Is Pteri Wallet free?
Pteri Wallet is free to download, with no in-app purchases.
Is Zero Note free?
Zero Note is free to download, with in-app purchases available.
Which has better reviews, Pteri Wallet or Zero Note?
Zero Note is rated higher. Pteri Wallet averages 3.5 out of 5 from 2 ratings, while Zero Note averages 5.0 from 1 ratings.
Do Pteri Wallet or Zero Note have ads?
Neither Pteri Wallet nor Zero Note shows ads.
Which is updated more often, Pteri Wallet or Zero Note?
Pteri Wallet ships an update every 3 weeks, and Zero Note every 3 days. Most recently, Pteri Wallet was updated on October 30, 2026 and Zero Note on October 31, 2026.

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