Comparison

p(x)Card vs E Sentry Systems

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

E Sentry Systems

Features
Read full description

Activate and manage your E Sentry System assets. Users with an NFC compatible device can inspect asset tags to view and submit information, updating its history with the cloud. Activated users can view their assigned routes and designate their current route as needed, showing them which assets require an inspection and cataloging their progress through the route. All check-in information is synched with the cloud service allowing admins to review completed and assigned routes, create new routes, and review inspection history on each asset tag. Historical information is converted into trends and can be exported into an excel compatible document for review and maintenance.

Screenshots

p(x)Card4 screens
E Sentry Systems4 screens

Verdict

The call

The clearest difference is iOS requirement: p(x)Card at 13.0 against E Sentry Systems's 16.0. On price, update cadence, 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.

UpkeepUpdate frequency

p(x)Card ships an update monthly, E Sentry Systems every 3 weeks. The most recent releases landed on June 2, 2026 and September 9, 2026 respectively.

Scorecard1 real difference · 8 level
p(x)Card versus E Sentry Systems: the parameters behind the verdict, then further details
Parameterp(x)CardE Sentry Systems
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size104 MB54 MB
Age rating4+4+
DeveloperFUNCTION X FOUNDATIONIRISS Inc,

In-app purchases

None

p(x)Card

No in-app purchases

None

E Sentry Systems

No in-app purchases

Questions

Is p(x)Card free?
p(x)Card is free to download, with no in-app purchases.
Is E Sentry Systems free?
E Sentry Systems is free to download, with no in-app purchases.
Do p(x)Card or E Sentry Systems have ads?
Neither p(x)Card nor E Sentry Systems shows ads.
Which is updated more often, p(x)Card or E Sentry Systems?
p(x)Card ships an update monthly, and E Sentry Systems every 3 weeks. Most recently, p(x)Card was updated on June 2, 2026 and E Sentry Systems on September 9, 2026.

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