Comparison

;blackcat vs Solid

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

Head to head
About

;blackcat

Manage your finances with an all-in-one app offering a European IBAN, travel-ready payment cards, and integrated crypto wallets. Access all your funds instantly and enjoy flexible money management with customizable spending limits and a powerful rewards program.

Highlights
  • European IBAN
  • Travel-ready payment cards
  • Integrated crypto wallets
  • Customizable spending limits
  • Rewards program (4% loyalty, 2% Amazon cashback)
  • Fast money transfers (SEPA, crypto)
  • 24/7 human support
Features
Read full description

;blackcat is your companion for effortless everyday payments! Experience an all-in-one app with a European IBAN, travel-ready cards*, integrated crypto wallets, and an enhanced rewards program. Access all your funds with just one click! With ;blackcat, you can manage your money anytime, anywhere. Get started in minutes: download the blackcat.app, register with your personal details and documents, verify your ID with a selfie – and you’re ready to go! Instantly access your crypto, IBAN, and virtual payment card. Order a matching plastic card – it will be produced in just 24 hours and shipped to you, wherever you are in the world! And of course, you can also add your card to Apple Pay! Why choose ;blackcat? – Free plan**. Standard rate (accounts with 1 card) is € 0 / month — no hidden fees. – Flexible money management. All your funds are available in one mobile interface. Create an unlimited number of additional wallets – both for euros and crypto. Each wallet and card is fully customizable with individual spending limits. You can also issue as many payment cards as you want. – Powerful rewards. Choose a bonus program that fits you — 4% per annum reward as part of the loyalty program (not an interest-bearing product), 2% cashback on Amazon, or 0.5% cashback on all card purchases (excluding ATM withdrawals, transfers, and crypto purchases). – Fast and convenient money transfers. SEPA payments, crypto wallet transfers, and transfers between blackcat accounts. – Secure payments. Benefit from 3D Secure protection — every transaction is confirmed with in-app authentication. – Dedicated support, 24/7. Our expert team is always here for you via chat or email. We don’t force you to talk to robots – you can always chat with a real person! How to Open an Account Download the blackcat.app from App Store. Fill out your personal info and upload proof of address. Take a selfie + scan your ID and/or residence permit — that’s it! Black cat is your lucky sign! We take care of the security and protection of your data. Blackcat is collecting, using, and processing your personal data in accordance with European General Data Protection Regulations. We use advanced measures to keep information secure. Disclaimers: *Travel-ready cards are ;blackcat’s payment cards. Those cards are accepted at car rentals, hotels, and other services, both online and offline. **Standard service and transaction fees may apply according to the tariff schedule. ;blackcat is issued by Papaya, Ltd. Papaya Ltd. is an Electronic Money Institution authorised and regulated by the Malta Financial Services Authority. Client funds are safeguarded in accordance with applicable legislation. Funds held in e-money accounts are not covered by the Depositor Compensation Scheme. The bonus payment is a part of the loyalty program provided by Baltic Technology Solutions OU. Detailed terms and conditions can be found here: https://baltictechsolutions.com/ An integrated crypto exchange and custodial crypto wallets are provided by MANERIO Sp. z o.o. You can find more information at maner.io

About

Solid

Earn competitive yields on your stablecoins through secure DeFi strategies, combined with the safety of traditional banking. Access your funds instantly via a virtual debit card and track all activity with full transparency.

Highlights
  • Smart Savings Vaults for stablecoins
  • Bank-grade security with multi-signature wallets
  • Instant virtual debit card top-up
  • Real-time activity tracking
  • Referral rewards program
  • Non-custodial vault architecture
Features
Read full description

Solid is the stablecoin savings app that puts your money to work. Deposit USDC, earn up to 8% yield on your stablecoins automatically, and spend your earnings anywhere with the Solid card. EARN ON YOUR STABLECOINS • Deposit USDC and earn competitive stablecoin yield, compounding daily • No lock-ups, no staking, no maintenance — your savings grow 24/7 • Institutional-grade, risk-adjusted DeFi yield strategies • Track deposits, earnings, and P&L in real time A SMARTER SAVINGS ACCOUNT Traditional savings accounts pay close to 0%. Solid turns your dollars into digital dollars (USDC stablecoins), so your savings earn real yield around the clock — like a high-yield savings account where the money stays in your control. SPEND WHILE YOU EARN — THE SOLID CARD • Use the Solid crypto card at 200M+ merchants worldwide • 3% cashback on every card purchase • Apple Pay and Google Pay supported • Freeze your card anytime, set limits, get instant payment alerts SELF-CUSTODY WALLET, BANK-GRADE SECURITY • Non-custodial smart wallet — your keys, your crypto • Passkey sign-in: no passwords, no seed phrases • Two-factor protection and real-time fraud monitoring • Simple, secure recovery if you lose your device CRYPTO WITHOUT THE COMPLEXITY • Send and receive crypto with zero fees, gasless • Earn rewards when friends join and start saving Whether you want a stablecoin wallet that earns while you sleep, a crypto savings account that beats the bank, or a crypto card that gives cashback on every purchase — Solid is one app for earning, saving, and spending your money. Download Solid and put your USDC to work today.

Screenshots

;blackcat4 screens
Solid4 screens

Verdict

The call

The clearest difference is review sentiment: ;blackcat at 100% against Solid's 0%. ;blackcat also leads on rating (4.6 vs 3.0) and monetization model (free vs ad-supported). 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.

ReceptionRating · Positive reviews · Number of ratings

;blackcat holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: ;blackcat has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of ;blackcat's written reviews are positive against 0% of Solid's.

UpkeepUpdate frequency

;blackcat ships an update fortnightly, Solid every 9 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
;blackcat versus Solid: the parameters behind the verdict, then further details
Parameter;blackcatSolid
PriceFreeFree
Rating4.6 (21 ratings) — better3.0 (4 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings21 — better4
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhoneiPhone
Requires iOS16.016.0
Further details — not scored
Size72 MB213 MB
Age rating17+4+
DeveloperPapaya LtdSolid Superapp LLC

Customer experience

;blackcat

All ratings21 ratings
Positive90.5%
Neutral0.0%
Negative9.5%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Solid

All ratings4 ratings
Positive25.0%
Neutral50.0%
Negative25.0%
Written reviews4 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

;blackcat

No in-app purchases

None

Solid

No in-app purchases

Questions

Is ;blackcat free?
;blackcat is free to download, with no in-app purchases.
Is Solid free?
Solid is free to download, with no in-app purchases.
Which has better reviews, ;blackcat or Solid?
;blackcat is rated higher. ;blackcat averages 4.6 out of 5 from 21 ratings, while Solid averages 3.0 from 4 ratings.
Do ;blackcat or Solid have ads?
Neither ;blackcat nor Solid shows ads.
Which is updated more often, ;blackcat or Solid?
;blackcat ships an update fortnightly, and Solid every 9 days. Most recently, ;blackcat was updated on October 16, 2026 and Solid on October 6, 2026.

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