# Timeline Calendar vs Clock4Key World Clock Keyboard

The clearest difference is in-app purchases: Clock4Key World Clock Keyboard at none against Timeline Calendar's 6. Clock4Key World Clock Keyboard also leads on update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Timeline Calendar sells 6 one-off in-app purchases. Clock4Key World Clock Keyboard asks for nothing beyond the download.

Timeline Calendar ships an update fortnightly, Clock4Key World Clock Keyboard daily. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Timeline Calendar | Clock4Key World Clock Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/clock4key-world-clock-keyboard/id6503244597/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | — | Free |
| Size | 145 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nir Tsook](https://appshunter.io/developer/599411476) | [Khang Le](https://appshunter.io/developer/1078541780) |

## What reviewers say

### Timeline Calendar

[App page](https://appshunter.io/ios/app/timeline-calendar/id599411473)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TL Calendar | $1.99 | one-time |
| Time Line Calendar Upgrade | $2.99 | one-time |
| Support $10 | $9.99 | one-time |
| Support $20 | $19.99 | one-time |
| Support $50 | $49.99 | one-time |
| Support $100 | $99.99 | one-time |


### Clock4Key World Clock Keyboard

[App page](https://appshunter.io/ios/app/clock4key-world-clock-keyboard/id6503244597)

This custom keyboard allows users to quickly input the current time for major cities worldwide directly from their device's keyboard. It offers real-time global time updates and an intuitive design for efficient time zone coordination.

**Highlights:** Instant time input for global cities, Real-time worldwide time updates, Seamless keyboard integration, Avoids manual time conversions, Ideal for travelers and professionals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Timeline Calendar free?

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

### Is Clock4Key World Clock Keyboard free?

Clock4Key World Clock Keyboard is free to download, with no in-app purchases.

### Do Timeline Calendar or Clock4Key World Clock Keyboard have ads?

Neither Timeline Calendar nor Clock4Key World Clock Keyboard shows ads.

### Which is updated more often, Timeline Calendar or Clock4Key World Clock Keyboard?

Timeline Calendar ships an update fortnightly, and Clock4Key World Clock Keyboard daily. Most recently, Timeline Calendar was updated on October 29, 2026 and Clock4Key World Clock Keyboard on October 27, 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.*