p(x)Card vs Syfra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
p(x)Card
Securely store and manage your cryptocurrency and NFTs with this hardware wallet solution. It keeps your private key offline on a card, simplifying crypto payments and asset management. Supports multiple blockchain networks for on-the-go transactions.
- Self-custody hardware wallet
- Stores private key offline on a card
- Supports multiple blockchain networks
- Authorize crypto payments
- Manage cryptocurrencies and NFTs
- NFC transaction signing
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Are you looking for the piece of paper where you wrote the private key? Now you have an easier option to store your crypto. Introducing p(x)Card. Built upon Function X and Infineon technologies SECORA™ Blockchain security solution, p(x)Card is an easy-to-use self-custody hardware wallet supporting multiple blockchain networks. The card is the private key itself. p(x)Card keeps your private key contained in your card and stays offline like your cold storage wallet. No more complicated settings. Users can use p(x)Card to authorize crypto payment or store NFTs via p(x)Card app or XPOS point-of-sale platform developed by Pundi X Labs. Cryptocurrencies and NFTs, all in one card! This app enables the p(x)Card users to sign transactions using NFC technology. The hardware wallet card is equipped with Infineon’s field-proven security chip featuring Integrity Guard security technology, supporting Global Platform Secure Channel Protocol 03 (SCP03) for secure authentication and encrypted communication. You can manage both your cryptocurrencies & NFTs using p(x)Card App: *Check the assets purchased via XPOS and stored in your card wallet *Transfer your assets from/to your another blockchain wallet. *You can also find all stores available to pay/purchase with your p(x)Card nearby. Everything is on the go. List of supported blockchain networks - Binance Smart Chain - Ethereum - f(x)Core - Polygon - Tron
Syfra
This app provides a secure, offline method for backing up sensitive phrases. It uses military-grade encryption and an open-source design to protect against physical and digital threats, ensuring your keys are under your control.
- Offline storage
- Seed phrase backup
- AES-256 encryption
- Open-source design
- Tamper-proof
- Water damage resistant
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Syfra offers a highly secure, offline solution for storing your seed phrases, providing robust protection against water damage, tampering, and digital threats. Featuring an open-source design and AES-256 military-grade encryption, Syfra ensures that your private keys remain fully secure and under your exclusive control.
Screenshots
Verdict
The clearest difference is rating: Syfra at 5.0 against p(x)Card's 3.7. Syfra also leads on update cadence (every 2 weeks vs monthly). p(x)Card's advantage is ratings volume (3 vs 1) and iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model 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.
Syfra holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
p(x)Card ships an update monthly, Syfra every 2 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | p(x)Card | Syfra |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 104 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | FUNCTION X FOUNDATION | Sergiu Bulat |
Customer experience
p(x)Card
Syfra
In-app purchases
p(x)Card
No in-app purchases
Syfra
No in-app purchases









