Comparison

Cetus vs Feather

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Cetus

Features
Read full description

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.

About

Feather

Features
Read full description

Feather is a beautifully simple personal-finance app that helps you understand where your money goes, stay on budget and reach your goals — 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 — Simple. Fast. Secure.

Screenshots

Cetus4 screens
Feather4 screens

Verdict

The call

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cetus ships an update every 8 days, Feather daily. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Cetus versus Feather: the parameters behind the verdict, then further details
ParameterCetusFeather
PriceFreeFree
Update frequencyEvery 8 daysDaily — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperMaraff QabunaGlOBAL CORE VAULT

In-app purchases

None

Cetus

No in-app purchases

None

Feather

No in-app purchases

Questions

Is Cetus free?
Cetus is free to download, with no in-app purchases.
Is Feather free?
Feather is free to download, with no in-app purchases.
Do Cetus or Feather have ads?
Neither Cetus nor Feather shows ads.
Which is updated more often, Cetus or Feather?
Cetus ships an update every 8 days, and Feather daily. Most recently, Cetus was updated on October 18, 2026 and Feather on October 19, 2026.

Other comparisons