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The 50/30/20 Rule When You Live Across Currencies (2026)
The 50/30/20 rule has a hidden assumption: one stable currency. Three worked archetypes for USD-paid earners living in BRL, ARS, and COP, the FX adjustment, and the Capi /spend chat benchmark.
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Budgeting on Irregular Income: The 12-Month-Average Method (2026)
The trailing 12-month-average method for irregular income. Three worked archetypes, the lowest-month floor rule, buffer math, and the Capi /spend command that turns the noise into a number.
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Couples Emergency Fund: How to Build It Together in 6 Months (2026)
A 6-month plan that gets a couple to a $5,000 emergency fund without one partner carrying it all. Target math, equal vs 60/40 income split, joint vs separate, and the cadence that holds.
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Subscription Audit: A 90-Day Method That Surfaces Every Recurring Charge (2026)
The 90-day audit method that finds $50 to $200 a month in forgotten subscriptions. Tools compared by what they do, math behind the $86 vs $273 perception gap.
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Freelancer Expense Tracking and Tax Set-Aside in 2026 (Without an Accountant)
The 25 to 30 percent rule, four quarterly deadlines, the business vs personal split, and four tools tested honestly for freelancers in 2026.
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Hands-Free Expense Tracking: Voice Notes as Your Money Diary
Three contexts where voice beats typing: driving, kids, walking. Whisper accuracy at 2.7 to 12 percent WER, Mobills vs ExpenseEasy vs Capi compared honestly.
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Why Your Finance App Lies to You About Your Spending
The three lies every finance app tells: the Other bucket, the refund-as-income trick, and the false confidence of 93 percent auto-categorization. A founder essay.
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Best App to Split Rent With Roommates in 2026
Five apps tested across three real roommate setups: equal split, proportional by room, designated payer. Tricount, Splitwise, SettleUp, Splid, Capi Together.
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How to Read a Nubank Statement and Find Hidden Fees
Line by line: the four CSV columns, installments, revolving credit interest, 3.5% IOF, hidden recurring charges, and the row-hash logic that imports without duplicates.
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Get Paid in Dollars, Live in Pesos: The 2026 Manual
The USD envelope rule, dollar tax set-aside, fixed planning rate and weekly routine that keep LATAM freelancers' budgets intact when paid in dollars.
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Why My Budget App Keeps Duplicating My Transactions (2026 Causes and Fixes)
The 5 real causes behind duplicate transactions in YNAB, Monarch, Copilot and Mobills, plus the row-hash idea that prevents the bug at the source.
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What Is the Cheapest Budget App in 2026? Free vs Paid, 3-Year Total Cost
Honest 3-year cost of every paid budget app. Capi Core at $69.90/year beats PocketGuard, EveryDollar, Simplifi, Copilot, Monarch and YNAB at full list price. The cheapest of all is free, if you stick with it.
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Couple Money Rules That Stick in 2026: 7 Rules, 3 Real Couples, 90-Day Test
Three real couples agreed to test seven couple money rules for 90 days. Four stuck across every household, three quietly died. What stuck, what failed, and which tools mattered more than the rules.
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How to Budget Pix-Heavy Spending in 2026: Recurring, One-off, Shared (Honest Guide)
Pix is now the majority of Brazilian payment volume in 2026. How to separate recurring Pix from one-off, the new Pix Automático, couples splits, and the honest tools.
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Multi-Currency Budget for Expats in 2026: Three Archetypes, One Calculator, Honest Picks
A multi-currency budget for expats in 2026. Three real archetypes, a live calculator, regression-proof FX rules, and an honest comparison of Wise, Revolut, YNAB, Monarch, and Capi.
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Free YNAB Alternative in 2026: 3 Honest Picks, Tested for a Month
Yes, a free YNAB alternative exists in 2026. Three of them. Actual Budget self-hosted, EveryDollar free, and Capi free in Telegram, tested for 30 days with the honest case for each.
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How to Track Money in Telegram in 2026: The Free Method, Step by Step
Two free ways to track money in Telegram in 2026, no extra app install. Saved Messages log, free bot options, a weekly review template, and the honest moment to consider paying.
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Best Telegram Money Tracker 2026: 6 Bots Tested for 14 Days
Moneko, Cointry, PiggyPal, Trackmonee, TeleExpense, and Capi each carried the same household ledger for 14 days. Honest scores on capture friction, multi-currency, and the couple seat that earns its tier.
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How Much Should I Spend on Groceries? A 2026 Data Cut
USDA Food Plans, USDA ERS share-of-income data, ONS, INDEC, and a Capi opt-in panel. p25, p50, p75 by household and country, with a calculator that runs on your own income.
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Confessions of an Indie Finance App Builder: 14 Prototypes and a Chat
A founder essay. Why I stopped using Mint, fourteen prototypes that failed, and the moment the answer turned out to be a chat.
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Emergency Fund Runway by Country: a 2026 Calculator
Three months in Germany is not three months in Argentina. Five country worked examples, a runway calculator, and the safety net math nobody runs.
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How to Budget When Paid in Two Currencies (2026 Guide)
Three expat archetypes (USD in BRL, EUR in ARS, GBP in PHP), each with a planning rate, a buffer table, and a monthly budget that holds up under FX swings.
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Voice Expense Tracker 2026: an honest 50-expense test
Fifty real expenses spoken into Capi, MonAi, TalkieMoney, and Vocash, in four languages, scored on transcription accuracy, currency detection, multi-transaction splits, and latency.
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How to Read Your Bank Statement and Find Fraud in 2026
A guided line by line read of three real anonymized bank statements (Banco Inter PDF, Wise CSV, Chase PDF). The patterns that flag subscription creep, fee creep, micro charge fraud, and duplicate processing.
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How to Split Expenses With a Partner When You Have Unequal Income
Three fairness models for couples with different incomes. Worked examples at 1.5x and 3x income gaps, a calculator for your own numbers, and the apps that survive the model.
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YNAB Alternative No Monthly Fee: 5 apps tested for 14 days
GoodBudget free, EveryDollar free, Actual self-hosted, Moneko, and Capi each carried the same household budget for 14 days. Honest scores on capture friction, multi-currency, and methodology fit.
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Track expenses without a bank account: 5 methods compared
Five honest ways to track money in 2026 without giving any app your bank login. Manual app, envelope, spreadsheet, photo OCR, and chat. The trade-offs that show up in week three.
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AI Money Tracker 2026: five apps, one honest test
Cleo, Copilot, Rocket, Monarch, Capi. The same 30-day spend log, three questions every household asks, five answers. The AI features that earn their subscription, and the ones that fake it.
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Money Tracker Free vs Paid 2026: the three-year pricing trap
YNAB $327. Monarch $300. Copilot $285. Simplifi $216. Capi Free $0. Three years of money tracker subscriptions, side by side, with the renewal math nobody runs.
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Credit Card Installment Tracker 2026: parcelas, cuotas, and rate
Brazil splits 62% of credit card spend into parcelas. Mexico has meses sin intereses. Italy uses rate. No global tracker surfaces this. Capi parses 3/12 splits in three languages.
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Money Tracker for Couples 2026: Capi Together, Monarch, Honeydue, and YNAB compared
Capi Together $99, Monarch $99.99, Honeydue free, YNAB $109. Cost per couple, multi-currency, who logs in week ten, and the privacy model that decides week twelve.
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Money Tracker Comparison 2026: I re-uploaded the same statement 12 times
One Chase CSV, six trackers, twelve uploads. Capi and Copilot held the line. YNAB held it silently. Monarch, Rocket, and historical Mint quietly inflated to 1,044 rows. An original-research review.
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The best money tracker for 2026: an honest side-by-side
Mint is gone. Monarch, YNAB, Copilot, Rocket Money, Simplifi, Empower, and Capi tested side by side. The winner depends on whether you want a dashboard, a habit, or a partner who notices.
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Mint alternative 2026: what to use after Mint shut down
Two years after Mint closed, the replacement landscape has settled. Six honest Mint alternatives ranked by what you valued in the original, plus a CSV migration walkthrough.
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We tried 5 money apps with our partner for 90 days. Only one was a chat.
Honeydue, YNAB, Monarch, Copilot, Capi Together. A head-to-head on logging friction, shared views, multi-currency, weekly rhythm, privacy, and price, with the app we still open every morning at the end.
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Why ChatGPT is worse than a real tracker for personal finance
Six concrete reasons LLMs fall apart when you try to use them as your ledger — memory, math, currency, categories, privacy, and the Sunday digest that can't exist in a chat.
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Text vs tap: why typing "coffee 4.50" beats opening an app
Every expense tracker asks for six taps. Capi asks for a sentence. Here's why that one design decision changes whether you still log anything three weeks from now.
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More notes are on the way — on ghosts, weekly pulse, and the case against budgeting. Subscribe via the RSS feed if that's your thing.