Quantum Multi vs Grin Locker
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.
Grin Locker
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Grin Locker is the first mobile app that lets you run a full Grin archive node right from your phone. No centralized servers. No reliance on developer nodes. Just pure peer-to-peer freedom. The Grin Locker, powered by a full archive node, can replay the entire blockchain history at any time to verify and analyze your wallet, accounts, transactions, outputs, and balance. Built on the strength of Grin • Scarcity: Provable scarcity with about 11 million Grin in circulation, 20 million total, and high stock-to-flow (S2F) ratio. • Privacy by default: Each block is a single, private transaction — no addresses, no amounts. • Scalable and efficient: With 6+ years (3+ million blocks), the Grin blockchain is streamlined, while ensuring it can still be fully verified. Core Features • Run your own full archive node from your mobile device • Create and switch between multiple wallets • Send Grin easily and securely via TOR and Slatepack • Receive Grin automatically via TOR or manually via Slatepack • Create and manage contacts • Transfer Grin between accounts • Scan the blockchain with a viewing key • ...and a whole lot more!
Screenshots
Verdict
The clearest difference is device support: Grin Locker at 3 against Quantum Multi's 1. Grin Locker also leads on iOS requirement (15.1 vs 26.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Quantum Multi | Grin Locker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 14 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 132 MB | 96 MB |
| Age rating | 17+ | 12+ |
| Developer | Quantum Chain Pte Ltd | Monetary Sovereigntists LLC |
In-app purchases
Quantum Multi
No in-app purchases
Grin Locker
No in-app purchases









