ZoneTime vs HourHack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZoneTime
Easily compare timezones to schedule meetings and avoid calling people at inconvenient hours. The app features a widget for quick glances and a table to compare up to 20 locations, automatically adjusting for Daylight Saving Time.
- View overlapping timezone hours
- Schedule meetings across timezones
- Today Widget for quick time checks
- Compare up to 20 locations
- Color-coded 'OK to call' times
- Automatic Daylight Saving Time adjustment
- Create calendar events across timezones
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ZoneTime offers a quick and easy way to view overlapping timezone hours, and setup meetings. ZoneTime can help you: * stop waking up your friends and family when you call them overseas. * catch your international colleagues while they're still in the office. * compare timezones between a flight's origin and destination. Included Features * ZoneTime Today Widget now allows you to quickly glance at times across your configured locations without needing to open the app, or unlock you phone. * An easy to use table to compare today's times for up to 20 locations at a time. * Choose from cities from around the globe * Color codes times based on whether it's 'OK' to call. * Automatically adjusts for Daylight Saving Time for each Location. * Edit and rearrange locations you want to compare timezones. * Compare timezones in landscape or portrait orientation. * Create an calendar event across multiple timezones
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 update cadence: HourHack at fortnightly against ZoneTime's every 3 months. HourHack also leads on ratings volume (10 vs 1). ZoneTime's advantage is iOS requirement (8.0 vs 13.4). On price, rating, review sentiment and ads 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 ZoneTime against 5.0 for HourHack. That said, the two scores are not equally well evidenced: HourHack has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
ZoneTime ships an update every 3 months, HourHack fortnightly. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.
| Parameter | ZoneTime | HourHack |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (10 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 10 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 26 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Glen Tregoning | Rosenbergs LLC |
Customer experience
ZoneTime
HourHack
In-app purchases
ZoneTime
No in-app purchases
HourHack
No in-app purchases
