# Date & Time Calculator vs Diff Compare

The clearest difference is price: Date & Time Calculator at Free against Diff Compare's $1.99. Date & Time Calculator also leads on iOS requirement (13.0 vs 16.0). Diff Compare's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Date & Time Calculator is free to download; Diff Compare costs $1.99 up front. Date & Time Calculator sells 2 in-app purchases, starting at $0.99 per month. Diff Compare asks for nothing beyond the download.

## The numbers

| Metric | Date & Time Calculator | Diff Compare |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/date-and-time-calculator-days/id1667537169/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 114 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SHPAVDA, TOO](https://appshunter.io/developer/1779139180) | [晨 张](https://appshunter.io/developer/1893394478) |

## What reviewers say

### Date & Time Calculator

[App page](https://appshunter.io/ios/app/date-and-time-calculator-days/id1667537169)

Calculate the duration between two dates, including workdays, or add/subtract time units to a specific date. This tool helps with planning, scheduling, and tracking time-sensitive tasks with a clean, minimalist interface.

**Highlights:** Count days, months, years between dates, Add or subtract date and time units, Calculate business days in a range, Add or subtract working days, Option to include start date, Light and dark themes, Offline availability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Ad-Free | $0.99 | per month |
| Yearly Ad-Free | $9.99 | per year |


### Diff Compare

[App page](https://appshunter.io/ios/app/diff-compare/id6768429490)

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

**In-app purchases:** none


## Frequently asked questions

### Is Date & Time Calculator free?

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

### Is Diff Compare free?

Diff Compare costs $1.99, with no in-app purchases.

### Do Date & Time Calculator or Diff Compare have ads?

Date & Time Calculator shows ads; Diff Compare 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.*