# Fenrir Ledger

> Track credit card fees, sign-up bonuses, and deadlines. Never miss a fee or lose a reward.

## Marketing

- [Fenrir Ledger — Break Free from Credit Card Traps](https://www.fenrirledger.com/): Track your credit card fees, sign-up bonuses, and deadlines. Never miss a fee or lose a reward.
- [Features](https://www.fenrirledger.com/features): Automatic renewal alerts, bonus deadline tracking, household sync, and Ragnarok mode for urgent card management.
- [Pricing — Thrall (Free) vs. Karl ($3.99/mo)](https://www.fenrirledger.com/pricing): Fenrir Ledger is free forever for one household card. Upgrade to Karl for unlimited cards, export, and household sync.
- [FAQ](https://www.fenrirledger.com/faq): Common questions about credit card tracking, annual fee alerts, sign-up bonus deadlines, and household sync.
- [About Fenrir Ledger](https://www.fenrirledger.com/about): Built for serious credit card hackers who track every fee, every deadline, and every bonus.

## Blog

- [Blog — Credit Card Strategy & Churning Guides](https://www.fenrirledger.com/blog): In-depth guides on maximizing credit card rewards, annual fee negotiation, and advanced churning strategy.
- [The 2-Player Churning Strategy: Maximizing Bonuses as a Household](https://www.fenrirledger.com/blog/2-player-churning-strategy-p1-p2): How couples and household partners can double their sign-up bonus earning potential using the P1/P2 framework — covering authorized user strategy, application timing, and velocity rules.
- [7 Credit Card Churning Mistakes That Tank Your Credit Score](https://www.fenrirledger.com/blog/7-churning-mistakes-tank-credit-score): Credit card churning mistakes can cost you points, hurt your credit score, and get your accounts shut down. Here are the 7 most common errors beginners make — and exactly how to avoid them.
- [9 Best Credit Card Tracker Apps in 2026 (Tested & Ranked)](https://www.fenrirledger.com/blog/9-best-credit-card-tracker-apps-2026): I tested nine credit card tracker apps over three months. Here are the honest results: what each does well, where each falls short, and which one deserves a spot on your home screen.
- [Amex Once Per Lifetime Rule and Pop-Up Jail: The Full Strategy Guide](https://www.fenrirledger.com/blog/amex-once-per-lifetime-rule-pop-up-jail): Amex gives each card's welcome bonus only once, for life. Here's how pop-up jail works, how to escape it, and how to sequence cards for max value.
- [The Annual Fee Tracker Every Churner Needs (Template + System)](https://www.fenrirledger.com/blog/annual-fee-tracker-every-churner-needs): An annual fee tracker built for credit card churners: what to track, how to structure it, and how to use fee data to make smarter keep/cancel/downgrade decisions. Free template included.
- [AwardWallet vs Fenrir Ledger: Which Tracker Is Right for You?](https://www.fenrirledger.com/blog/awardwallet-vs-fenrir-ledger-comparison): AwardWallet excels at loyalty balance aggregation. Fenrir Ledger is built for credit card strategy. I tested both with the same eleven-card portfolio. Here's when each wins — and when you need both.
- [Bank of America 2/3/4 Rule: How BofA's Velocity Limits Stack](https://www.fenrirledger.com/blog/bank-of-america-2-3-4-rule): Bank of America's 2/3/4 rule: 2 cards per 2 months, 3 per 12 months, 4 per 24 months. All three apply simultaneously. How to navigate all three windows.
- [The Beginner's Guide to Credit Card Churning](https://www.fenrirledger.com/blog/beginners-guide-to-credit-card-churning): Everything you need to know before opening your first rewards card: rules, risks, vocabulary, and where to start.
- [Capital One Velocity Rules: How Many Cards Can You Open and When](https://www.fenrirledger.com/blog/capital-one-velocity-rules): Capital One limits approvals to one card per six months with a two-card max. Here's how Capital One's velocity rules work and how to plan around them.
- [Chase 5/24 Exemptions: Which Cards Don't Count and How to Work Around It](https://www.fenrirledger.com/blog/chase-5-24-counting-exemptions-workarounds): Not all cards count toward Chase 5/24. Learn which are exempt, how AU accounts affect your count, and strategies to maximize Chase approvals.
- [Chase 5/24 Rule Explained: Everything You Need to Know](https://www.fenrirledger.com/blog/chase-5-24-explained): The Chase 5/24 rule limits card approvals for applicants who opened 5+ cards in 24 months. Here's how to track it, work around it, and decide when to burn a slot.
- [The Chase 5/24 Rule: Complete Guide for 2026](https://www.fenrirledger.com/blog/chase-5-24-rule-complete-guide): The Chase 5/24 rule is the single most important issuer policy in credit card churning. This complete guide covers what counts, how to check your status, which cards are exempt, and how to build a Chase-first strategy.
- [Citi 1/8 and 2/65 Rules: How Citi's Velocity Limits Work](https://www.fenrirledger.com/blog/citi-1-8-and-2-65-rules): Citi enforces two velocity rules: one card per 8 days and two cards per 65 days. Both apply simultaneously. Here's how to navigate them for maximum approvals.
- [The Credit Card Portfolio That Pays for Itself: Building a Fee-Positive Stack](https://www.fenrirledger.com/blog/credit-card-portfolio-pays-for-itself): A strategic framework for building a credit card portfolio where annual fees are offset by credits, benefits, and point value — so the cards literally pay you to hold them.
- [The End-of-Year Churning Checklist: Everything to Do Before December 31](https://www.fenrirledger.com/blog/end-of-year-churning-checklist): A comprehensive year-end audit checklist for credit card churners — covering MSR deadlines, annual fee reviews, points expiration, tax considerations, and your application plan for the new year.
- [Free Credit Card Tracker Comparison: I Tested All of Them (2026)](https://www.fenrirledger.com/blog/free-credit-card-tracker-comparison-tested): There are six serious free options for tracking a credit card portfolio in 2026. I ran all of them simultaneously for six weeks to find out which ones actually work — and which ones are free in name only.
- [How Many Credit Cards Is Too Many? The Churner's Honest Answer](https://www.fenrirledger.com/blog/how-many-credit-cards-is-too-many): How many credit cards is too many? The real answer depends on your credit score, income, organizational discipline, and churning goals. Here is the honest framework — with data.
- [How to Hit Your Credit Card Minimum Spend Requirement Without Overspending](https://www.fenrirledger.com/blog/how-to-hit-credit-card-minimum-spend): Meeting the minimum spend requirement is the only way to earn your sign-up bonus. This guide covers legitimate strategies to hit your MSR on time without buying things you don't need.
- [How to Negotiate a Credit Card Retention Offer: Scripts That Actually Work](https://www.fenrirledger.com/blog/how-to-negotiate-credit-card-retention-offer): Credit card retention offer scripts, call strategies, and issuer-specific tactics for getting the best offer before your annual fee posts. Real scripts that work.
- [How to Plan a Full Year of Credit Card Applications (AOR Strategy)](https://www.fenrirledger.com/blog/how-to-plan-year-of-credit-card-applications-aor): A step-by-step guide to planning an application-over-reset cycle for maximum sign-up bonus earning across Chase, Amex, Citi, and Capital One — without triggering denials or burning your credit profile.
- [Manufactured Spending in 2026: What Still Works (and What Doesn't)](https://www.fenrirledger.com/blog/manufactured-spending-2026-what-still-works): An honest, current assessment of manufactured spending techniques in 2026 — which methods survive, which have died, and the risk calculus every churner needs to understand before starting.
- [MaxRewards vs Fenrir Ledger: Which App Maximizes Your Credit Card Value?](https://www.fenrirledger.com/blog/maxrewards-vs-fenrir-ledger): MaxRewards helps you choose the right card at checkout. Fenrir Ledger helps you manage your card portfolio strategically. I tested both apps across eight weeks and a real eleven-card portfolio. Here is the full comparison.
- [The Minimum Spend Tracker: How to Never Miss a Sign-Up Bonus](https://www.fenrirledger.com/blog/minimum-spend-tracker-never-miss-bonus): A practical system for tracking minimum spend requirements across multiple cards simultaneously — spreadsheets, apps, and the mental frameworks that keep bonuses on track.
- [Product Change vs. Cancel vs. Downgrade: The Complete Decision Matrix for Credit Cards](https://www.fenrirledger.com/blog/product-change-vs-cancel-vs-downgrade): Should you product change, cancel, or downgrade your credit card? This complete decision matrix explains when each strategy wins — and how to execute each one correctly.
- [Retention Offer Cheat Sheet: Every Major Issuer's Playbook](https://www.fenrirledger.com/blog/retention-offer-cheat-sheet-every-issuer): The definitive guide to calling for retention offers before canceling or downgrading any credit card — what to say, what to expect, and issuer-specific success rates for Chase, Amex, Citi, Capital One, and more.
- [Should I Keep This Credit Card? A Decision Flowchart for Churners](https://www.fenrirledger.com/blog/should-i-keep-this-credit-card-flowchart): A practical, step-by-step flowchart to answer 'should I keep this credit card' before the annual fee hits. Know when to keep, cancel, downgrade, or call for a retention offer.
- [Credit Card Signup Bonus and Points Explained: A Complete Beginner's Guide](https://www.fenrirledger.com/blog/signup-bonus-and-points-explained): What is a credit card signup bonus and how do points actually work? This guide explains how to earn, value, and redeem sign-up bonuses across Chase, Amex, Citi, and airline programs.
- [Sign-Up Bonus Deadline Calculator: Never Let a Bonus Expire Again](https://www.fenrirledger.com/blog/signup-bonus-deadline-calculator): How to calculate your exact sign-up bonus deadline, what happens when you miss it, and a step-by-step framework for managing multiple bonus deadlines simultaneously.
- [Travel Freely vs Fenrir Ledger: The Free Credit Card Tracker Showdown](https://www.fenrirledger.com/blog/travel-freely-vs-fenrir-ledger): Both apps are free. Both track your credit card portfolio. But they were built for different users with different needs. I ran both side-by-side for two months to find out which one deserves your home screen.
- [What Is Credit Card Churning? A 2026 Beginner's Guide](https://www.fenrirledger.com/blog/what-is-credit-card-churning-2026-beginner-guide): What is credit card churning? Learn how beginners turn sign-up bonuses into free travel, the real risks, the rules every new churner must know, and how to start safely in 2026.
- [Why I Stopped Using Google Sheets to Track My Credit Cards](https://www.fenrirledger.com/blog/why-i-stopped-using-google-sheets-credit-cards): I built the perfect Google Sheets credit card tracker. It took twelve hours, broke silently three times, and caused me to miss a sign-up bonus deadline. Here is what I use instead — and what the spreadsheet got right.
- [Why Your Credit Card Bonus Didn't Post — and How to Fix It](https://www.fenrirledger.com/blog/why-your-bonus-didnt-post-and-fix): You hit the minimum spend. The bonus should have posted. It didn't. Here's every reason a credit card sign-up bonus fails to post — and the exact steps to get it resolved.

## Glossary

- [Credit Card Glossary](https://www.fenrirledger.com/glossary): Definitions for credit card rewards terminology: MSR, SUB, AOR, P2, churning, and more.

## Comparisons

- [Card Comparisons](https://www.fenrirledger.com/compare): Side-by-side comparisons of top travel and cash-back credit cards to help you choose the right card.
- [AwardWallet vs. Fenrir Ledger — The Best AwardWallet Alternative for Churners](https://www.fenrirledger.com/compare/awardwallet-alternative): AwardWallet vs. Fenrir Ledger: a candid side-by-side comparison of loyalty program tracking vs. credit card churning workflow management. Find the right tool for your goals.
- [CardPointers vs. Fenrir Ledger](https://www.fenrirledger.com/compare/cardpointers-vs-fenrir-ledger): CardPointers vs. Fenrir Ledger: a side-by-side comparison of features, platform support, and pricing for credit card churners who want to maximize rewards.
- [Chase Sapphire Reserve vs. Amex Platinum](https://www.fenrirledger.com/compare/csr-vs-amex-platinum): Side-by-side comparison of the Chase Sapphire Reserve and Amex Platinum: annual fees, credits, lounge access, and our verdict for churners.
- [MaxRewards vs Fenrir Ledger: Which App Is Right for Churners?](https://www.fenrirledger.com/compare/maxrewards-alternative): Honest comparison of MaxRewards and Fenrir Ledger for credit card churners. MaxRewards excels at spend optimization; Fenrir Ledger is built for sign-up bonus tracking, annual fee reminders, and 5/24 management.
- [Fenrir Ledger vs. Notion Credit Card Tracker](https://www.fenrirledger.com/compare/notion-credit-card-tracker): Comparing Fenrir Ledger to a DIY Notion credit card tracker template: setup time, automation, bonus deadline alerts, and which is right for churners.
- [Chase Sapphire Preferred vs. Sapphire Reserve](https://www.fenrirledger.com/compare/sapphire-preferred-vs-reserve): Is the Sapphire Reserve's $150 premium over the Preferred worth it? We break down the credits, earn rates, and which wins for casual vs. heavy travelers.
- [Why I Stopped Using Google Sheets to Track Credit Cards](https://www.fenrirledger.com/compare/spreadsheets-vs-fenrir-ledger): After years of maintaining a 47-tab Google Sheet to track credit cards, annual fees, and rewards — I switched to Fenrir Ledger. Here's exactly what changed.
- [Travel Freely vs. Fenrir Ledger: What $0 Gets You (and What Karl Adds at $3.99)](https://www.fenrirledger.com/compare/travel-freely-alternative): Honest side-by-side comparison of Travel Freely and Fenrir Ledger for credit card churners. We break down what Travel Freely does well, where the $0 price tag costs you in features, and whether Karl's AI optimization is worth $3.99/month.

## Cards

- [Credit Cards](https://www.fenrirledger.com/cards): Every card we cover — fees, sign-up bonuses, benefits, and how to track each one in Fenrir Ledger.
- [American Express Gold Card Review 2026](https://www.fenrirledger.com/cards/amex-gold): Track your Amex Gold signup bonus and benefits with Fenrir Ledger. Full review: current welcome offer, $325 annual fee breakdown, dining credits, Uber Cash, Resy credits, and benefit-reset calendars explained.
- [American Express Platinum Card Review 2026](https://www.fenrirledger.com/cards/amex-platinum): Track your Amex Platinum signup bonus and benefits with Fenrir Ledger. Full review: current welcome offer, $695 annual fee breakdown, all 9 recurring credits, lounge access, and benefit-reset calendars explained.
- [Bilt Rewards Card Review: Track Your Rent Rewards](https://www.fenrirledger.com/cards/bilt-rewards): Full review of the Bilt Rewards Mastercard: how to earn points on rent, the Rent Day Bonus, transfer partners, the 5-transaction rule, and how to track it in Fenrir Ledger.
- [Capital One Venture X Review: Track Your Signup Bonus](https://www.fenrirledger.com/cards/capital-one-venture-x): Full review of the Capital One Venture X: current welcome bonus, annual fee breakdown, credits, lounge access, and how to track your signup bonus in Fenrir Ledger.
- [Chase Ink Business Preferred Review: Track Your Signup Bonus](https://www.fenrirledger.com/cards/chase-ink-business-preferred): Full review of the Chase Ink Business Preferred: current welcome bonus, annual fee breakdown, 3x bonus categories, cell phone protection, and how to track your signup bonus in Fenrir Ledger.
- [Chase Sapphire Preferred](https://www.fenrirledger.com/cards/chase-sapphire-preferred): Track your Chase Sapphire Preferred signup bonus, annual fee, and benefits. Current welcome offer, MSR, annual hotel credit, and how to maximize every dollar.
- [Chase Sapphire Reserve](https://www.fenrirledger.com/cards/chase-sapphire-reserve): Track your Chase Sapphire Reserve signup bonus, annual fee, and benefits. $300 travel credit, Priority Pass lounge access, 3x on travel and dining, and how to maximize every dollar.
- [Citi Strata Premier Review: Track Your Signup Bonus](https://www.fenrirledger.com/cards/citi-strata-premier): Full review of the Citi Strata Premier: current welcome bonus, ThankYou Points transfer partners, 3x earn categories, annual fee breakdown, and how to track it in Fenrir Ledger.