Cycling through all six. Tap any point to stop.

Measured on six things

Find the best credit card for any purchase instantly

Growth

Niche tool for points enthusiasts with planner teased but not prominent. Low visibility, no user metrics, testimonials, or clear growth features. Early-stage side project competing in a crowded rewards space.

Screenshots

1 / 1

WhichCard

About this app

WhichCard is an AI-powered credit card recommendation tool that instantly tells you which card to use for a purchase. Type what you're about to buy — like “flight to tokyo”, “dinner in paris”, or “costco groceries” — and WhichCard recommends the best card from your wallet based on rewards, transfer partners, category bonuses, and foreign transaction fees. Unlike traditional credit card comparison sites, WhichCard is built for real spending decisions in the moment. Key features: - Instant card recommendations - Personalized wallet optimization - Travel and international spend support - Smart category detection - Real-time purchase scenarios - Planner mode for long-term rewards strategy Built for travelers, points enthusiasts, and anyone who wants to maximize rewards without doing the math manually.

Key features

1Instant recommendations by typing purchases or tapping emoji scenarios like flights, dining, groceries.
2Personalized to your added cards with focus on category bonuses, travel, and international spending.
3Local-first storage with sign-in sync and planner mode for long-term rewards strategy.

Target customer profile

Drawn from the product itself, not from a survey.

Scout Review

Written by AI from measured evidence, scored out of 100.

WhichCard is a clever, no-BS tool that solves a genuine pain point for credit card churners and travelers: which damn card do I use right now? Its strength lies in simplicity and speed for common purchases. The AI-powered claims feel more like smart rules than deep learning, and many advanced features listed in the description (detailed transfer partner analysis, robust planner) aren't fully evident on the live site. It's fun and functional for light users but lacks the data depth, transparency, and polish of more mature competitors. Solid concept that needs more iteration to stand out.

Measure by measure

Usability

Super straightforward: tap scenarios or type purchases for instant recs after adding cards. Local storage with optional sign-in. Great for quick decisions but requires manual card entry and lacks advanced personalization depth.

Design

Clean, modern interface with vibrant emojis and icon-based scenarios (🍔, ✈️, 🛍). Mobile-first layout with simple typography and clear CTAs. Focuses on instant 1-tap access but lacks polish in visuals and depth.

Speed

Lightweight web app with instant-feeling recommendations and local card storage. No heavy backend calls for basic use. Emphasizes '1-tap' and 'skip the math' for real-time scenarios.

Security

Cards saved locally by default with optional sign-in for sync. No mention of advanced encryption, data handling policies, or compliance. Relies on browser security; privacy-focused but limited transparency.

Accessibility

Emoji-heavy interface aids visual scanning. Tap-friendly for mobile. However, lacks explicit mentions of screen reader support, color contrast details, keyboard navigation, or WCAG compliance.

Growth

Improvement areas

Deeper explanation of recommendations including exact rewards rates and transfer value estimates.
Better data import, rotating category tracking, and integration with major issuers.
More transparency on AI logic, privacy, and expanded planner with projections and reporting.

Design & Usability

WhichCard delivers on its core promise with a delightfully simple interface that uses emoji-rich scenario cards and a free-text input. The design is vibrant and mobile-optimized, making it easy to tap 'Booking flights' or type 'Costco groceries' and get a personalized pick from your wallet. Usability shines for quick in-the-moment decisions — no complex dashboards or manual category mapping required. However, it feels somewhat bare-bones: card addition is mandatory for real value, the UI lacks depth in results explanation, and there's little visual feedback or progressive disclosure. Compared to full apps, it nails the 'instant' part but misses refinement that would make it feel premium. Great starting point for travelers who hate doing the math at checkout.

Speed & Security

Performance is one of its stronger suits. As a lightweight web tool with local storage, recommendations feel instantaneous after setup. The '1-tap before you pay' slogan isn't marketing fluff — it's accurate for predefined scenarios and basic text input. Security is adequate for a personal tool (local-first reduces server exposure), but the lack of detailed privacy policy, encryption mentions, or audit info makes it hard to fully trust with high-value rewards data. No foreign transaction fee logic or transfer partner optimization is transparently surfaced in the current build, despite the description. It does the job fast but doesn't inspire confidence for power users managing six-figure point portfolios.

Accessibility & Growth

Accessibility gets average marks — the icon-driven design is intuitive on mobile but offers limited support for users needing higher contrast, voice navigation, or detailed alt text. Growth potential exists in the planner mode and international spend features, yet the site shows almost no user traction, social proof, or iteration signals. For points enthusiasts, the real-time scenario engine is clever, but without community features, exportable reports, or integration with popular issuers, it's hard to see it becoming a daily driver. The niche is real (maximizing every swipe without spreadsheets), but execution feels more like an MVP than a category leader.

Conclusion

If you're tired of pulling out your phone to Google 'best card for groceries 2026', this can genuinely save you time and points. It's not perfect, but the core loop works. Add your cards, type your next purchase, and stop leaving money on the table. Worth a try for anyone with 3+ reward cards in their wallet.

Suggestions for improvement

Add clear explanations of why a card was chosen, including specific multipliers, transfer partners, and foreign fees avoided.
Implement a robust planner mode with projected annual rewards, category spend tracking, and upcoming bonus category alerts.
Improve transparency around the 'AI' — show the logic/rules and add user controls for custom preferences or overrides.
Expand to include more issuer integrations, data import from apps like Mint or bank exports, and better mobile PWA experience.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	WhichCard
Instant purchase-based card recommendation	Text input or emoji tap scenarios, personalized after adding cards	Unknown (no details provided for this alternative)
Travel & international support	Strong emphasis on flights, hotels, foreign fees	Unknown (no details provided for this alternative)
Planner / long-term strategy	Mentioned in description but not prominent in current UI	Unknown (no details provided for this alternative)
Card data storage	Local browser storage + optional sign-in sync	Unknown (no details provided for this alternative)