Quantum Multi vs Qastle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quantum Multi
Manage your digital assets securely with this official cross-chain cryptocurrency wallet. It supports multiple blockchains and offers real-time market tracking and portfolio analytics for efficient digital asset management.
- Cross-chain compatibility
- Secure cryptocurrency custody
- Real-time market tracking
- Advanced portfolio analytics
- Multi-wallet support
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The Quantum Wallet is the official cross-chain crypto wallet of Quantum Chain, designed for secure storage and seamless management of Quantum (QTN), QRC tokens, and major cryptocurrencies. With multi-wallet support, real-time crypto market tracking, and advanced blockchain portfolio analytics, Quantum Wallet offers a scalable, secure, and all-in-one solution for digital asset management. Key Features: - Cross-chain compatibility for seamless blockchain transactions - Secure cryptocurrency custody with advanced encryption - Real-time crypto market tracking for informed decision-making - Advanced portfolio analytics for optimised blockchain asset management Start managing your digital assets with Quantum Wallet, the ultimate blockchain wallet for secure and efficient crypto management.
Qastle
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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Designed for simplicity, security, and cross-platform use, Qastle brings quantum-grade protection to mainstream crypto users. Future-proof your assets with the world's first Quantum-Secure Web3 Wallet. “Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/”
Screenshots
Verdict
The clearest difference is rating: Qastle at 4.7 against Quantum Multi's 3.0. Qastle also leads on update cadence (every 2 weeks vs every 14 months) and ratings volume (41 vs 1). Quantum Multi's advantage is in-app purchases (none vs 2). On price 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
Both are free to download. Qastle sells 2 in-app purchases, starting at $9.99 per month. Quantum Multi asks for nothing beyond the download.
Qastle holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Qastle has 41 ratings behind it against 1, so its average is the more settled of the two.
Quantum Multi ships an update every 14 months, Qastle every 2 weeks. The most recent releases landed on September 18, 2026 and September 27, 2026 respectively.
| Parameter | Quantum Multi | Qastle |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 4.7 (41 ratings) — better |
| Positive reviews | — | 94.5% of reviews |
| Number of ratings | 1 | 41 — better |
| Update frequency | Every 14 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 132 MB | 57 MB |
| Age rating | 17+ | 4+ |
| Developer | Quantum Chain Pte Ltd | Krown Technologies LLC |
Customer experience
Quantum Multi
Qastle
In-app purchases
Quantum Multi
No in-app purchases
Qastle
- Qastle Premium Monthly$9.991 Month
- Qastle Premium Yearly$99.991 Year
