# Time Zone Clock vs Flightbook

The clearest difference is iOS requirement: Flightbook at 15.5 against Time Zone Clock's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Time Zone Clock sells 8 in-app purchases, starting at $2.99 per month and Flightbook sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Time Zone Clock ships an update every 11 days, Flightbook every 2 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Time Zone Clock | Flightbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (253 ratings)](https://appshunter.io/ios/app/time-zone-clock-gotime/id6450673915/reviews)** | — |
| Number of ratings | **253** | — |
| Positive reviews | 59.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 59 MB |
| Requires iOS | 18.2 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bushman, LLC](https://appshunter.io/developer/901998837) | [F-JAP INDUSTRIES LIMITED](https://appshunter.io/developer/1866287681) |

## What reviewers say

### Time Zone Clock

[App page](https://appshunter.io/ios/app/time-zone-clock-gotime/id6450673915)

Never miss a call or appointment due to time zone differences. This app helps you manage world clocks and set alarms accurately across different locations. It's designed for travelers, remote teams, and anyone needing to coordinate globally.

**Highlights:** Time zone alarms, iOS 26 AlarmKit integration, Lock Screen and Home Screen widgets, 12 & 24 hour clock display, Global city list management, Time slider for future viewing

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GoTime PRO - Unlimited Access | $2.99 | per month |
| Secret Discount | $8.99 | per year |
| GoTime PRO - Unlimited Access | $14.99 | per year |
| Encore Annual 1 Month Trial | $14.99 | per year |
| GoTime PRO - Unlimited Access | $14.99 | per year |
| GoTime PRO - Unlimited Access | $19.99 | per year |
| GoTime PRO - Unlimited Access | $19.99 | per year |
| Lifetime Access | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use and understand
- 👍 Great for aviation and amateur radio
- 👍 Helpful for truck drivers with time zones
- 👍 Clean and direct interface
- 👍 Good for understanding military time

**What reviewers complain about**

- 🐛 Subscription required for widgets
- 🐛 App is useless without payment
- 🐛 Paid app doesn't work
- 🐛 Subscription cancelled without request
- 🐛 In-app purchases not free

**Reported bugs**

- Widgets not available after purchase
- App cancelled subscription without request
- In-app purchases alleged free but not
- Free lifetime purchase cancelled

**Requested features**

- Make the app free
- Widget should display more than one time zone
- Option to choose between 24-hour or 12-hour format


### Flightbook

[App page](https://appshunter.io/ios/app/flightbook/id6792990197)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 credits | $2.99 | one-time |
| 20 credits | $9.99 | one-time |
| 50 credits | $19.99 | one-time |


## Frequently asked questions

### Is Time Zone Clock free?

Time Zone Clock is free to download, with in-app purchases available.

### Is Flightbook free?

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

### Do Time Zone Clock or Flightbook have ads?

Neither Time Zone Clock nor Flightbook shows ads.

### Which is updated more often, Time Zone Clock or Flightbook?

Time Zone Clock ships an update every 11 days, and Flightbook every 2 weeks. Most recently, Time Zone Clock was updated on October 15, 2026 and Flightbook on October 6, 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.*