# Age Calculator vs Subox

The clearest difference is ads: Subox at none against Age Calculator's shown. Subox also leads on update cadence (every 9 days vs every 10 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Age Calculator sells 1 one-off in-app purchase and Subox sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Age Calculator ships an update every 10 months, Subox every 9 days. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Age Calculator | Subox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/age-calculator-days-until/id6468264194/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 11 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Maximiliano Julio Demonte](https://appshunter.io/developer/784474892) | [Smapu Technology Co., Ltd.](https://appshunter.io/developer/1586525316) |

## What reviewers say

### Age Calculator

[App page](https://appshunter.io/ios/app/age-calculator-days-until/id6468264194)

Calculate the exact difference between dates and set countdowns for important events like birthdays and trips. Personalize events, discover your zodiac sign, and share custom gift cards. Upgrade for full access to backgrounds, designs, and all future premium features with a one-time purchase.

**Highlights:** Calculate date differences, Countdown to events, Personalized event creation, Zodiac sign and birthday weekday, Exportable gift cards, Lifetime premium access

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $19.99 | one-time |


### Subox

[App page](https://appshunter.io/ios/app/subox-track-subscriptions/id6739707848)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feature Subscription | $4.99 | per year |
| Subox Pro | $9.99 | one-time |


## Frequently asked questions

### Is Age Calculator free?

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

### Is Subox free?

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

### Do Age Calculator or Subox have ads?

Age Calculator shows ads; Subox does not.

### Which is updated more often, Age Calculator or Subox?

Age Calculator ships an update every 10 months, and Subox every 9 days. Most recently, Age Calculator was updated on October 3, 2026 and Subox on October 9, 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.*