Comparison

Quanta Budget vs SubZero

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

Head to head
About

Quanta Budget

Features
Read full description

Quanta Budget helps you understand what you can spend today. Add recurring income, fixed expenses, subscriptions, and one-time transactions. Quanta Budget spreads them across the days they affect and shows how much money is still available for each day. Instead of only tracking what already happened, Quanta Budget helps you plan the flow of your money. Rent, salary, savings, subscriptions, groceries, and larger expenses can all be reflected in your daily budget. Key features: - Daily available budget based on income and expenses - Recurring payments for fixed costs, subscriptions, salary, and savings - Optional end dates for recurring payments and contracts - Flexible allocation of expenses across one day or multiple days - Manual transaction history for everyday spending - Widgets for quick budget checks - Anonymous-first setup, with account sync when you want it Quanta Budget is built for people who want a practical spending plan, not a complicated finance dashboard. It gives you one simple answer every day: how much is really available?

About

SubZero

This app helps you track the true cost of your subscriptions, including recurring charges and installment plans. It provides reminders for free trials and upcoming renewals, offering insights into your spending by category and yearly projections. Your data remains private with no account required.

Highlights
  • Automatic monthly and yearly cost calculation
  • Installment payment tracking
  • Free trial and renewal reminders
  • Spending statistics by category
  • Yearly spending projection
  • No account required for privacy
Features
Read full description

Do you really know how much your subscriptions cost you each month? Netflix, Spotify, iCloud, YouTube, apps, free trials… On their own, they seem reasonable. But over a year, the total can really sting. SubZero shows you your true monthly and yearly cost in seconds. ADD YOUR SUBSCRIPTIONS IN 2 TAPS Pick a service, enter the price and billing frequency, and SubZero automatically works out what it costs per month and per year. PAYING IN INSTALLMENTS? TRACK IT ALL A purchase split into 3, 4, 10 monthly payments? Add it as an installment plan: SubZero works out each payment, follows the schedule, and archives it on its own once it's paid off. Your real totals finally separate the temporary from the recurring. NEVER FORGET A FREE TRIAL AGAIN Started a free trial? SubZero can remind you before it turns into a paid plan, whenever you choose. SEE WHAT'S COMING Keep track of your upcoming charges, your spending over the year, your most expensive categories, and the subscriptions weighing most on your budget. WHAT SUBZERO DOES FOR YOU β€’ Automatic monthly and yearly cost β€’ Installment payment tracking β€’ Reminders before renewals β€’ Free trial tracking β€’ Stats by category β€’ Yearly projection β€’ No account required SUBZERO PRO One purchase. For life. No subscription to manage your subscriptions. SubZero Pro unlocks: β€’ Unlimited subscriptions β€’ Detailed statistics β€’ Custom reminders β€’ iCloud sync YOUR DATA STAYS WITH YOU No account. No ads. No tracking. No data collected. Download SubZero, add your subscriptions, and see what they really cost you. Questions? subzero@alexdevlab.com

Screenshots

Quanta Budget4 screens
SubZero4 screens

Verdict

The call

The clearest difference is in-app purchases: Quanta Budget at none against SubZero's 1. SubZero's advantage is update cadence (every 3 days vs every 10 days) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

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

Both are free to download. SubZero sells 1 one-off in-app purchase. Quanta Budget asks for nothing beyond the download.

UpkeepUpdate frequency

Quanta Budget ships an update every 10 days, SubZero every 3 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard3 real differences Β· 5 level
Quanta Budget versus SubZero: the parameters behind the verdict, then further details
ParameterQuanta BudgetSubZero
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 10 daysEvery 3 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
Monetizationβ€”Freemium
DevicesiPhoneiPhone
Requires iOS26.017.0 β€” better
Further details β€” not scored
Size16 MB3 MB
Age rating4+4+
DeveloperTom StecklumADOLPHE Alexandre

In-app purchases

None

Quanta Budget

No in-app purchases

1 purchases

SubZero

One-time1
  • SubZero Pro Lifetime$3.99

Questions

Is Quanta Budget free?
Quanta Budget is free to download, with no in-app purchases.
Is SubZero free?
SubZero is free to download, with in-app purchases available.
Do Quanta Budget or SubZero have ads?
Neither Quanta Budget nor SubZero shows ads.
Which is updated more often, Quanta Budget or SubZero?
Quanta Budget ships an update every 10 days, and SubZero every 3 days. Most recently, Quanta Budget was updated on November 5, 2026 and SubZero on November 10, 2026.

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