# DateDiff vs HourHack

The clearest difference is ads: HourHack at none against DateDiff's shown. HourHack also leads on update cadence (fortnightly vs every 5 weeks) and monetization model (free vs ad-supported). DateDiff's advantage is iOS requirement (9.0 vs 13.4). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for DateDiff against 5.0 for HourHack. Both are backed by a comparable volume of ratings — 4 and 10 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

DateDiff ships an update every 5 weeks, HourHack fortnightly. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | DateDiff | HourHack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/datediff/id1164312493/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/hourhack/id6503925079/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 52 MB | 21 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Vives](https://appshunter.io/developer/1164312492) | [Rosenbergs LLC](https://appshunter.io/developer/1716179267) |

## What reviewers say

### DateDiff

[App page](https://appshunter.io/ios/app/datediff/id1164312493)

Calculate the duration between two dates, with options to include or exclude weekends. It can also determine an end date based on a start date and a duration, or function as a countdown timer from today to a specific event.

**Highlights:** Calculate days between two dates, Include or exclude weekends, Calculate end date from start date and duration, Countdown timer from today, Pin start date as today

**In-app purchases:** none


### HourHack

[App page](https://appshunter.io/ios/app/hourhack/id6503925079)

Easily calculate the duration between two specific times or dates. Get instant results in hours, minutes, or days with a clear and intuitive interface. Simplify all your time-related calculations.

**Highlights:** Calculate time differences, Calculate date differences, Instant results, Clear interface, Time unit conversion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DateDiff free?

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

### Is HourHack free?

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

### Which has better reviews, DateDiff or HourHack?

DateDiff and HourHack are both rated 5.0 out of 5 on the App Store, from 4 and 10 ratings respectively.

### Do DateDiff or HourHack have ads?

DateDiff shows ads; HourHack does not.

### Which is updated more often, DateDiff or HourHack?

DateDiff ships an update every 5 weeks, and HourHack fortnightly. Most recently, DateDiff was updated on October 20, 2026 and HourHack on October 13, 2026.

---

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