Cetus vs Feather
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Cetus
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Cetus is a complete personal finance tracker that runs on your device. No account, no sign-up, no bank connection. Your financial data is encrypted on your iPhone and iPad and is never uploaded. EVERYTHING IN ONE PLACE ⢠Accounts for checking, savings, cash, credit cards, investments and loans, with balances, credit limits and utilisation ⢠Income, expenses and transfers with merchant, category, tags, notes and photo receipts ⢠Net worth tracked over time, split into assets and liabilities ⢠Custom categories and subcategories with your own colours and icons BUDGETS THAT KEEP UP ⢠Weekly, monthly or yearly budgets across any set of categories ⢠Per-category monthly limits with live progress ⢠Recurring bills, subscriptions and income on daily to yearly schedules, with a monthly-equivalent total ⢠A financial calendar of what is coming up GOALS AND DEBTS ⢠Savings goals with target amounts, target dates and planned monthly contributions ⢠An estimate of how many months each goal will take at your current rate ⢠Debt tracking for credit cards, mortgages, student, auto and personal loans ⢠APR, minimum payment, monthly interest and an estimated payoff horizon REPORTS AND INSIGHTS ⢠Income versus expenses over 3, 6 or 12 months ⢠Spending by category, top merchants and month-over-month comparisons ⢠A financial health score out of 100, built from your savings rate, net worth, emergency buffer, debt load and budget adherence ⢠Automatic insights that flag rising spending, a strong savings rate or budgets running over PRIVATE BY DESIGN ⢠All data encrypted at rest with AES-GCM, with the key held in the iOS Keychain ⢠App Lock using Face ID, Touch ID or your device passcode ⢠Privacy Mode hides every amount at a glance ⢠Export your data to a portable backup file and restore it on any device ⢠Erase everything from the device in a single step MADE FOR iPHONE AND iPAD ⢠Built with SwiftUI and Swift Charts ⢠Dark-first monochrome design with selectable accent colours, plus light and system themes ⢠Eight currencies: USD, EUR, GBP, CHF, CAD, JPY, AUD and CNY Cetus does not connect to your bank, does not ask for personal details and contains no advertising or tracking.
Feather
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Feather is a beautifully simple personal-finance app that helps you understand where your money goes, stay on budget and reach your goals ā with all of your data kept private on your device. SEE EVERYTHING AT A GLANCE ⢠Net worth with assets and liabilities ⢠Monthly income, expenses and savings rate ⢠Cash-flow chart for the last six months ⢠A financial-health score that shows how you're doing TRACK EVERY DOLLAR ⢠Add income and expenses in seconds ⢠Transactions grouped by day and instantly searchable ⢠Categories, accounts and receipt photos ⢠Recurring payments and upcoming bills ⢠A financial calendar of what's due PLAN AHEAD ⢠Smart budgets for every category ⢠Savings goals with progress tracking ⢠Debt tracking to see what's left to pay off POWERFUL REPORTS & INSIGHTS ⢠Income vs. expenses, spending by category and top merchants ⢠Automatic insights and tips based on your own data PRIVATE BY DESIGN ⢠No account, no sign-up, no ads, no tracking ⢠Your data stays on your device and is encrypted on-device ⢠Lock the app with Face ID and hide balances with Privacy Mode ⢠Export and restore backups whenever you want MADE FOR YOU ⢠8 currencies: USD, EUR, GBP, CHF, CAD, JPY, AUD, CNY ⢠Available in English, French, Spanish and German ⢠Light and dark mode, with a choice of accent colours ⢠Designed for iPhone and iPad Feather ā Simple. Fast. Secure.
Screenshots
Verdict
The clearest difference is update cadence: Feather at daily against Cetus's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cetus ships an update every 8 days, Feather daily. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.
| Parameter | Cetus | Feather |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days | Daily ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Maraff Qabuna | GlOBAL CORE VAULT |
In-app purchases
Cetus
No in-app purchases
Feather
No in-app purchases








