# Bill Calendar vs Subzero

The clearest difference is in-app purchases: Bill Calendar at none against Subzero's 1. Subzero's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Subzero sells 1 in-app purchase, starting at $1.99 per month. Bill Calendar asks for nothing beyond the download.

## The numbers

| Metric | Bill Calendar | Subzero |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 20 MB | 31 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bumjin Park](https://appshunter.io/developer/1617722254) | [Stiliyan Baburov](https://appshunter.io/developer/1891151004) |

## What reviewers say

### Bill Calendar

[App page](https://appshunter.io/ios/app/bill-calendar/id1617722252)

This personal finance app helps you track bills and expenses to avoid missed payments. It offers a visual calendar, manual payment tracking, and summaries of your spending. Stay organized with recurring and one-time payment management.

**Highlights:** Manual payment tracking, Recurring and one-time payments, Smart calendar for day counts, Visual overview of paid/unpaid, Monthly spending summaries, Private on-device data storage

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

**In-app purchases:** none


### Subzero

[App page](https://appshunter.io/ios/app/subzero-freeze-subscriptions/id6761732964)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subzero Pro | $1.99 | per month |


## Frequently asked questions

### Is Bill Calendar free?

Bill Calendar is free to download, with no in-app purchases.

### Is Subzero free?

Subzero is free to download, with in-app purchases available.

### Do Bill Calendar or Subzero have ads?

Bill Calendar shows ads; Subzero does not.

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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.*