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Qastle

Qastle

Quantum-Secure Web3 Wallet

41 ratings
54 reviews
💰 Finance
Free
In-App Purchases

Details

  • Released
  • Updated
  • November 4, 2025
  • May 12, 2026

Features

Developer

Krown Technologies LLC
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🧾$9.99 - $99.99
In-App Purchase↘︎
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⭐54
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About

This app offers a quantum-secure Web3 wallet for mainstream crypto users. It provides future-proof protection for your digital assets with a focus on simplicity and cross-platform compatibility.

✓Quantum-grade security
✓Future-proof asset protection
✓Simplified user experience
✓Cross-platform compatibility
✓Web3 wallet functionality
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What users say

Summarized from real user reviews of Qastle. Based on 41 reviews and a 4.7/5 average, it highlights the 5 positives reviewers mention most about this Finance app.

Positive things

  • 🚀Lightning-fast transactions
  • 🔒Quantum-secure encryption
  • 👍User-friendly interface
  • 👍Seamless setup
  • 🚀Extremely fast
See all reviews

What's New in Qastle

1.7.7

May 12, 2026

Minor issue fixed

Subscription plans

Qastle Premium Monthly

Unlock all Qastle premium features with a monthly plan.

$9.991 Month
How to cancel Qastle subscription ⁉️

User reviews

Most RecentHighest RatedLowest Rated

👍🏻

Sleek, simple, functions well. Tip of the spear as far as protecting value. Will become very popular.
Bit ftrBit ftr

Best crypto wallet

Safest/ fast/User Friendly app
Markmywordz54Markmywordz54

Excellent

Super fast and secure! Love it.
J_CanadianJ_Canadian

Excellent

Quantum for Crypto - first of its kind - runs flawless
geometry player101geometry player101

Awful Support / Fraud

Promos are not real. Bitcoin 2026 promo was a lie, no info whatsoever. Took my money without recourse and now I will not be using their platform, which tbh feels basic and not feature rich like other more secure wallets I’m aware of.
nickname32009nickname32009
See 49 more reviews

FAQ

What is Qastle?

Qastle is a Web3 wallet designed to provide quantum-grade security for your cryptocurrency assets. It aims to simplify the process of managing digital assets while offering advanced protection against future threats.

What makes Qastle quantum-secure?

The app is built with quantum-grade protection, meaning it is designed to be secure against potential threats from quantum computers. This future-proofs your assets against emerging technological advancements.

Is Qastle free to use?

The application is free to download and use, with in-app purchases available. Specific details on what these purchases entail are not provided in the description.

What platforms is Qastle available on?

Qastle is designed for cross-platform use, suggesting it is available on multiple operating systems. The description does not specify which platforms, but its inclusion on Apple's platform is implied.

Who is Qastle intended for?

This wallet is intended for mainstream crypto users who prioritize simplicity and robust security. It aims to make advanced protection accessible to a wider audience of digital asset holders.