Billys Cafe vs Solid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Billys Cafe
This app offers a secure and convenient way to purchase your coffee. It utilizes advanced authentication to ensure a seamless payment process, allowing you to enjoy your drink without hassle.
- Secure payment processing
- Cardinal Commerce Authentication
- 3DS security
- Hassle-free coffee purchasing
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Billy's Cafe enables you to purchase your caffeine boost using the most secure payment process. If you are the one who is purchasing the coffee, then you never have to prove it as the new Cardinal Commerce Authentication with 3DS takes care of that, just enjoy your coffee. Reach out to your CardinalCommerce Client Manager with any questions you have.
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.
- 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
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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
Verdict
The clearest difference is rating: Billys Cafe at 5.0 against Solid's 3.4. Billys Cafe also leads on monetization model (free vs ad-supported). Solid's advantage is update cadence (every 9 days vs every 2 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Billys Cafe holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 9 and 5 respectively.
Billys Cafe ships an update every 2 months, Solid every 9 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | Billys Cafe | Solid |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) — better | 3.4 (5 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 9 — better | 5 |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 2 MB | 213 MB |
| Age rating | 4+ | 4+ |
| Developer | CardinalCommerce | Solid Superapp LLC |
Customer experience
Billys Cafe
Solid
In-app purchases
Billys Cafe
No in-app purchases
Solid
No in-app purchases









