# Quanta Budget vs SubZero

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.

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.

## The numbers

| Metric | Quanta Budget | SubZero |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tom Stecklum](https://appshunter.io/developer/1617528964) | [ADOLPHE Alexandre](https://appshunter.io/developer/6781193691) |

## What reviewers say

### Quanta Budget

[App page](https://appshunter.io/ios/app/quanta-budget/id6755406066)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SubZero

[App page](https://appshunter.io/ios/app/subzero-subscriptions/id6781193689)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SubZero Pro Lifetime | $3.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*