DateDiff vs HourHack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DateDiff
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.
- 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
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An app for calculating the end of a license. It allows setting up the 2 dates and it will calculate how many days are in between, allowing ignore weekends or not. Also, it allows setting up a start date and a number of days and it will calculate the end date. Even more, it let you pin start date as always today to have a days countdown to a specific date.
HourHack
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.
- Calculate time differences
- Calculate date differences
- Instant results
- Clear interface
- Time unit conversion
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Need to know how much time has passed or how many days until an event? HourHack makes it simple to calculate the difference between two times or dates. Quickly input any two moments, and get instant results in hours, minutes, or days. Features: Calculate time differences between two times Find the amount of time between dates Clear and easy-to-use interface Simplify your time calculations with HourHack!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DateDiff | HourHack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (10 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 4 | 10 — better |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 52 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | David Vives | Rosenbergs LLC |
Customer experience
DateDiff
HourHack
In-app purchases
DateDiff
No in-app purchases
HourHack
No in-app purchases
