# Date Calculator vs Date Calculator

The clearest difference is in-app purchases: Date Calculator at none against Date Calculator's 4. Date Calculator's advantage is update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. Date Calculator asks for nothing beyond the download.

Date Calculator ships an update every 3 months, Date Calculator every 9 days. Both last shipped on October 8, 2026.

## The numbers

| Metric | Date Calculator | Date Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 4 MB |
| Requires iOS | **17.0** | 17.3 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [亦彬 潘](https://appshunter.io/developer/1522872222) |

## What reviewers say

### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-days-between/id6772265897)

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

**In-app purchases:** none


### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-datemath/id6773030545)

Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.

**Highlights:** Calculate days between dates, Optional time selection for minute precision, Clean, native iOS design, Theme and language settings, Local calculation without account

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Date Calculator free?

Date Calculator is free to download, with no in-app purchases.

### Is Date Calculator free?

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

### Do Date Calculator or Date Calculator have ads?

Neither Date Calculator nor Date Calculator shows ads.

### Which is updated more often, Date Calculator or Date Calculator?

Date Calculator ships an update every 3 months, and Date Calculator every 9 days. Most recently, Date Calculator was updated on October 8, 2026 and Date Calculator on October 8, 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.*