CardStack vs CleanSlate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CardStack
This app helps you maximize rewards and savings from your credit cards. It tracks perks, statement credits, and points, offering AI-powered advice to ensure your cards always pay you back more than they cost. Get personalized recommendations and automated offer management.
- Maximize cashback and offers
- Track statement credits automatically
- Redeem points at peak value
- AI agent for personalized advice
- See which card earns the most
- Track points portfolio
- Annual fee advisor
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CardStack helps you save $500+ every year on the credit cards you already carry. Maximize cashback and offers, never miss a statement credit, redeem your points at peak value, and let our AI agent do the heavy lifting — so your cards always pay you back more than they cost. - SAVE MORE WITH CARD-LINKED OFFERS Automatically add Amex and Chase offers to your cards so you earn cashback and statement credits on purchases you're already making. Browse active offers, see personalized picks matched to your spending, and track every redemption — all in one place. - NEVER MISS A STATEMENT CREDIT Track every credit across all your cards automatically — dining, travel, streaming, airline, and more. See which credits are available, which are expiring soon, and which you've already used. Get reminders before you lose them. - USE THE RIGHT CARD, EVERY TIME Instantly see which card earns the most for dining, travel, groceries, gas, and every other category. Whether you're booking a flight or grabbing coffee, CardStack tells you the best card to pull out — so you never miss points or cashback. - STACK AI AGENT — YOUR PERSONAL CARD ADVISOR Meet Stack, a conversational AI agent that knows your entire card portfolio. Ask it anything: "What's the best card for this hotel booking?" "Am I missing any credits this month?" "Compare my Sapphire Reserve vs. Platinum for a trip to Tokyo" "How much value am I leaving on the table?" Stack doesn't just answer — it takes action. It can mark credits as redeemed, set reminders, update your points balances, and generate weekly spending reports showing exactly where you earned and where you missed. - SEE HOW MUCH YOU'RE EARNING (AND MISSING) Connect your bank securely with Plaid and unlock full spending analysis: See points earned vs. points missed on every transaction Get your optimization score — what percentage of spend hit the best card View breakdowns by category: flights, hotels, restaurants, groceries, and more Get "Fix My Stack" recommendations showing exactly which card to swap in - TRACK YOUR POINTS PORTFOLIO Monitor balances across Amex Membership Rewards, Chase Ultimate Rewards, Capital One Miles, Citi ThankYou, and more. See estimated cash values, explore transfer partners, and know exactly what your points are worth. - COVER YOUR ANNUAL FEES — OR CANCEL WITH CONFIDENCE CardStack's Renewal Advisor calculates whether each card pays for itself based on your real usage. When your annual fee posts, get a clear verdict: keep, downgrade, or cancel — backed by data, not guesswork. - SMART NOTIFICATIONS THAT SAVE YOU MONEY Credits expiring soon Annual fee renewal approaching Offers about to expire Missed optimization opportunities AI-generated insights based on your spending - CARDSTACK+ UNLOCKS THE FULL SYSTEM Upgrade to unlock powerful automation and intelligence: Stack AI Agent with full conversation history Secure bank sync with Plaid for automatic transaction analysis Auto-detect statement credits from your transactions Earned vs. missed rewards analysis across every purchase Safari extension that shows the best card while you shop Automatically add Amex & Chase offers Weekly AI spending reports and optimization scores Personalized "Fix My Stack" recommendations Sync across all your devices YOUR CARDS ARE COSTING YOU — OR PAYING YOU. KNOW WHICH. CardStack turns your credit cards into a money-saving system. Every credit tracked. Every offer captured. Every purchase optimized. Download CardStack and start saving. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CleanSlate
This app helps you manage credit card payments by tracking balances and sending timely reminders. It provides an estimated current balance between statements, ensuring you avoid late fees and interest charges.
- Track all credit cards in one place
- Real-time balance updates
- Payment due date reminders
- Estimated current balance
- Secure account connection via Plaid
- Free to start
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CleanSlate: Credit Card Tracker & Payment Reminders Stay ahead of every credit card payment. CleanSlate connects to your accounts and shows you exactly what you owe, on which card, and when it's due, before it becomes a surprise. Your data is yours. We connect through Plaid, the same technology trusted by major banking apps, and CleanSlate never sees your bank login credentials. We don't sell your data or use it for advertising or targeting. Simple, secure, and built for clarity Bank-level security through Plaid keeps your credentials safe. We only use your data to show you your own balances and due dates. Track every card in one place See real-time balances across all your credit cards, synced automatically so you're never guessing where you stand. Never miss a due date Get reminders before payments are due, so late fees and interest charges stop catching you off guard. See where your balance really stands CleanSlate estimates your current balance between statement updates, factoring in payments and purchases as they post, not just what your last statement said. Free to start Track your cards and due dates at no cost. Upgrade to Pro or Premium to add more than 2 Plaid connections. Terms of Service: https://cleanslatetech.app/docs/terms Privacy Policy: https://cleanslatetech.app/docs/privacy
Screenshots
Verdict
The clearest difference is rating: CleanSlate at 5.0 against CardStack's 4.5. CleanSlate also leads on update cadence (every 5 days vs every 2 weeks). CardStack's advantage is ads (none vs shown) and chart position (#185 vs unranked). On price, in-app purchases, monetization model and device support 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. CardStack sells 3 in-app purchases, starting at $12.99 per month and CleanSlate sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
CleanSlate holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: CardStack has 53 ratings behind it against 6, so its average is the more settled of the two.
CardStack ships an update every 2 weeks, CleanSlate every 5 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.
| Parameter | CardStack | CleanSlate |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (53 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 94.4% of reviews | — |
| Number of ratings | 53 — better | 6 |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Best chart rank | #185 — better | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 164 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | SPACE ROBOTS INC | CLEANSLATE TECHNOLOGIES LLC |
Customer experience
CardStack
CleanSlate
In-app purchases
CardStack
- CardStack+7 Days trial$12.991 Month
- CardStack+7 Days trial$89.991 Year
- CardStack+ Lifetime$239.99
CleanSlate
- Pro (Monthly)$4.991 Month
- Premium (Monthly)$7.991 Month
- Pro (Yearly)$39.991 Year
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- Premium (Yearly)$69.991 Year









