Quanta Budget vs SubZero
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Quanta Budget
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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?
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.
- 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
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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 ⒠Automatic monthly and yearly cost ⒠Installment payment tracking ⒠Reminders before renewals ⒠Free trial tracking ⒠Stats by category ⒠Yearly projection ⒠No account required SUBZERO PRO One purchase. For life. No subscription to manage your subscriptions. SubZero Pro unlocks: ⒠Unlimited subscriptions ⒠Detailed statistics ⒠Custom reminders ⒠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
Verdict
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
Both are free to download. SubZero sells 1 one-off in-app purchase. Quanta Budget asks for nothing beyond the download.
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.
| Parameter | Quanta Budget | SubZero |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 10 days | Every 3 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Monetization | β | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 16 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Stecklum | ADOLPHE Alexandre |
In-app purchases
Quanta Budget
No in-app purchases
SubZero
- SubZero Pro Lifetime$3.99









