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Blog · guides and comparisons

Answers with numbers, a date and an author.

Guides

Everyday questions about money, with the direct answer first.

7 posts

Comparisons

Kasandro vs Martia, Finary and YNAB, plus a table with Kontomierz, JedenPortfel and your bank's app.

3 posts

Connect a bank

Consent in the bank's app, account selection, renewal: PKO BP, mBank, ING, Santander, Pekao, Alior, Revolut.

0 posts

What's new

The build log, one sentence per release.

4 posts

Guides

guide

Where does my money go? A map, an hour grid and habits over years

Where does my money go? Three observations from your own transactions, a real map of where you pay, a weekday-by-hour grid and your habits year on year.

· 7 min
guide

All your bank accounts in one place: several banks, one picture

How to see all your bank accounts in one place without copying anything: a read-only PSD2 consent in each bank, a choice of accounts, own transfers excluded.

· 7 min
guide

A shared budget without a joint account: two consents, one view

A shared budget without a joint account: each of you connects your own banks with your own PSD2 consent, and transfers between you are never spending.

· 7 min
guide

A PSD2 budgeting app: how it works and what it never sees

How a PSD2 budgeting app works: a licensed account-information provider, read-only consent in your bank's app, 90 or 180 days, what is read and what never is.

· 7 min
guide

OWASP ZAP explained: what it scans and the 10 usual findings

What OWASP ZAP is, what a baseline scan does and does not do, and the ten findings it reports most often on ordinary sites, with the fix for each. Plain explainer.

· 4 min
guide

Kasandro security checks: what runs on every change, and what it found

Which security checks run on every Kasandro change (Semgrep, ZAP baseline, TruffleHog, OSV, npm audit, gitleaks) and what their first runs showed.

· 2 min
guide

Kasandro on your phone: add it to your home screen (Android, iPhone)

Kasandro is built phone-first and can be added to the home screen on Android (Chrome) and iPhone (Safari) without an app store. Step by step, and what it is.

· 2 min

Comparisons

comparison

Kasandro vs YNAB: 2026 comparison (banks, envelopes, price)

YNAB is envelope budgeting with import from select US, Canadian, UK and EU banks. Kasandro: Polish banks through PSD2, couples with two consents, map, voice.

· 6 min
comparison

Kasandro vs Martia: 2026 comparison (price, couples, map, EU AI)

Kasandro vs Martia on seven dated, sourced criteria: PSD2 sync, couples with two consents, map and habits, wealth imports, voice, where AI runs, price.

· 7 min
comparison

Kasandro vs Finary: 2026 comparison (banks, couples, price)

Finary is a French wealth aggregator with a family mode on one login. Kasandro: Polish banks through PSD2, IKE, IKZE, PPK, couples with two consents, a voice.

· 7 min

Kasandro is an insight tool for your finances, not investment or financial advice.