Comparison

Quark After vs a2x

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

Head to head
About

Quark After

Features
Read full description

As a next-generation enabler of digital finance, Quark Card seamlessly connects you to the global payments networkβ€”bridging stablecoins, bank cards, and digital assets for a faster, more flexible payment experience. Whether you're spending online, transacting in-store, or managing your assets, Quark empowers you with multi-currency wallet binding, real-time settlements, and intelligent conversion. Partnering with global networks and backed by advanced risk controls, every transaction is fast, secure, and traceable. Inspired by the smallest yet most powerful building block of matter, Quark symbolizes limitless financial potential and reflects our commitment to top-tier performance and intuitive user experience. Now, let’s use Quark,Empowering Global Payments, Beyond the Physical.

About

a2x

Features
Read full description

A2X is a non-custodial crypto wallet and payment card companion. Keep control of your keys and move USDT on Polygon for everyday spending through a licensed partner integration. No in-app crypto exchange or trading. Key Features 1. Non-custodial Wallet Generate and store your private keys on your device. Hold and manage your assets, view balances, and stay in control at all times. 2. USDT (Polygon) Transfers Send and receive USDT on Polygon quickly and securely. Use on-chain transfers to fund spending through our partner integration. Note: There is no swapping, buying, selling, or trading inside the app. 3. A2X Payment Card (via licensed partner) Get a virtual or physical card issued by our licensed partner and use your balance for everyday payments where the card network is accepted. Card issuance and usage are handled off-app by the partner. 4. Clear Activity History See on-chain transfers and card-related activity in one place with easy-to-read details. 5. Compliance & Security Complete standard KYC to enable eligible features. We support multi-factor authentication and encryption. AML/KYC are performed by the partner as required in supported regions. 6. Account Control You can delete your account any time: Settings β†’ Account β†’ Delete Account. Upon confirmation, your account is removed and you are signed out. (Certain records may be retained only as required by law.) Why A2X - Freedom: Connect digital assets to everyday life. - Simplicity: On-chain USDT transfers; partner-handled card rails. - Control: Non-custodial by design β€” you hold the keys. How It Works 1. Download A2X and create your account. 2. Complete quick identity verification (KYC). 3. Transfer USDT (Polygon). 4. (Optional) Get a card issued by our licensed partner. 5. Use your balance for payments where the card network is accepted. Support & Availability Our in-app help center is available 24/7. Supported countries, currencies, and features vary by region and partner compliance. Some features may be unavailable in your location. Legal / Compliance Notes - No in-app exchange or trading. A2X does not provide crypto swapping, buying, or selling. - Non-custodial: we do not custody user funds. - Card issuance, fiat on/off-ramp, and KYC/AML are performed off-app by our licensed partner per regional regulations. - Availability of features may change based on partner API eligibility and compliance requirements. - All trademarks are property of their respective owners.

Screenshots

Quark After4 screens
a2x4 screens

Verdict

The call

The clearest difference is ads: a2x at none against Quark After's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

Scorecard1 real difference Β· 5 level
Quark After versus a2x: the parameters behind the verdict, then further details
ParameterQuark Aftera2x
PriceFreeFree
Update frequencyEvery 3 weeksβ€”
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS13.012.0 β€” better
Further details β€” not scored
Size40 MB28 MB
Age rating4+4+
DeveloperJIAOZI FINANCIAL TECHNOLOGY CO., LIMITEDISR WORKS HONGKONG LIMITED

In-app purchases

None

Quark After

No in-app purchases

None

a2x

No in-app purchases

Questions

Is Quark After free?
Quark After is free to download, with no in-app purchases.
Is a2x free?
a2x is free to download, with no in-app purchases.
Do Quark After or a2x have ads?
Quark After shows ads; a2x does not.

Other comparisons