Head-to-head · Payment Tools
Features, pricing, health score, community ratings — side-by-side from the live MadeOnSol database.
Updated August 30, 2026
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|---|---|---|
| Rating | (2) | (0) |
| Pricing | Paid | Freemium |
| Health | Healthy | Healthy |
| Chain | Solana | Solana |
| Open Source | ||
| Features | 5 features | 5 features |
| Upvotes |
Pros & cons
Analysis
Fystack Fystack delivers enterprise-grade MPC (multi-party computation) wallet infrastructure built for fintechs, payment platforms, and crypto businesses operating on Solana and 10+ other blockchains. Rather... Kast Card Kast Card (SolCard) is a crypto debit card aimed at Solana users, letting them spend SOL and SPL tokens directly at merchants that accept card payments. It bridges on-chain balances to everyday purcha...
Fystack is rated higher by the MadeOnSol community with 5.0/5 stars across 2 reviews, compared to 0.0/5 for Kast Card (0 reviews). That said, ratings only tell part of the story — what matters most is which tool fits your specific workflow.
Fystack uses a paid model, while Kast Card is freemium.
Fystack offers 5 features including MPC threshold-signature security with no single point of failure, Self-hosted or managed SaaS deployment options, API-first architecture for embedding custody into apps, and 2 more. Kast Card counters with 5 features including Crypto debit card for spending SOL and SPL tokens, Works anywhere standard card payments are accepted, Bridges on-chain assets to real-world purchases, and 2 more. The right choice depends on which specific features matter for your use case — check the individual review pages for full breakdowns.
We monitor both tools around the clock for uptime, SSL validity, and response times. Fystack currently has a healthy health status with 100.0% uptime over the last 30 days. Kast Card is rated healthy with 100.0% uptime. For any tool you trust with your funds, trades, or yield, uptime and speed are non-negotiable.
Fystack's key strengths include removes single-key risk through multi-party computation, flexible deployment to match compliance and control needs, supports solana plus 10+ blockchains from one platform. Kast Card stands out for makes solana assets usable for everyday spending, no manual off-ramp step at each purchase, broad merchant acceptance via card networks. On the flip side, Fystack's weaknesses include aimed at businesses and developers, not retail users, while Kast Card's main drawback is crypto cards usually require kyc and have regional availability limits.
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| Twitter Followers | 263 | — |
| Categories | Security & Audit, Wallets, Payment Tools | Payment Tools |
| Description | Enterprise-grade MPC wallet infrastructure for Solana and multi-chain | The debit card for all your Web3 needs on Solana |
Both Fystack and Kast Card operate in the payment tools space, so this is a direct head-to-head. Fystack has the community's vote, but your mileage may vary depending on your specific needs. We recommend trying both — check Fystack's pricing and Kast Card is free to start. Read user reviews on each tool's page for real-world feedback from the Solana community.