Comparison

Quantum Multi vs Grin Locker

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

Head to head
About

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.

Highlights
  • Cross-chain compatibility
  • Secure cryptocurrency custody
  • Real-time market tracking
  • Advanced portfolio analytics
  • Multi-wallet support
Read full description

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.

About

Grin Locker

Read full description

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

Quantum Multi3 screens
Grin Locker4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Quantum Multi versus Grin Locker: the parameters behind the verdict, then further details
ParameterQuantum MultiGrin Locker
PriceFreeFree
Rating3.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 14 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size132 MB96 MB
Age rating17+12+
DeveloperQuantum Chain Pte LtdMonetary Sovereigntists LLC

In-app purchases

None

Quantum Multi

No in-app purchases

None

Grin Locker

No in-app purchases

Questions

Is Quantum Multi free?
Quantum Multi is free to download, with no in-app purchases.
Is Grin Locker free?
Grin Locker is free to download, with no in-app purchases.
Do Quantum Multi or Grin Locker have ads?
Neither Quantum Multi nor Grin Locker shows ads.

Other comparisons