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Qastle

Qastle

Quantum-Secure Web3 Wallet

42 ratings
55 reviews
💰 Finance
Free
In-App Purchases

Details

Released
November 4, 2025
Updated
May 12, 2026

Features

Developer

Krown Technologies LLC
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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 about Qastle

Reviews of Qastle are mostly positive: the Finance app is rated 4.7/5 from 42 App Store ratings. What users like most: lightning-fast transactions, quantum-secure encryption. Summarized from real user reviews.

Positive things

  • 🚀Lightning-fast transactions
  • 🔒Quantum-secure encryption
  • 👍User-friendly interface
  • 👍Seamless setup
  • 🚀Extremely fast
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What's New in Qastle

1.7.7

May 12, 2026

Minor issue fixed

2

Subscriptions & In-App Purchases

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

Ultimate Crypto Wallet

This is by far the best self custody wallet available. Easy to use, beautiful UI, and the most secure thing on the planet. With the help of actual quantum random security, nobody is getting into this but you.
RRichthedude

👍🏻

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

Best crypto wallet

Safest/ fast/User Friendly app
MMarkmywordz54

Excellent

Super fast and secure! Love it.
JJ_Canadian

Excellent

Quantum for Crypto - first of its kind - runs flawless
GPgeometry player101
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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.