# Instant Timer vs World Clock

The clearest difference is in-app purchases: World Clock at none against Instant Timer's 2. World Clock also leads on ads (none vs shown) and update cadence (every 6 weeks vs every 25 months). On price and device support there is nothing between them.

Both are free to download. Instant Timer sells 2 in-app purchases, starting at $0.99 per month. World Clock asks for nothing beyond the download.

Instant Timer ships an update every 25 months, World Clock every 6 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Instant Timer | World Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Size | 6 MB | 38 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Leander Dias Duarte](https://appshunter.io/developer/1695919834) | [Bhavin Harsoda](https://appshunter.io/developer/1896732789) |

## What reviewers say

### Instant Timer

[App page](https://appshunter.io/ios/app/instant-timer-quick-timers/id6450960205)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Timer Pro (Monthly) | $0.99 | per month |
| Instant Timer Pro (Yearly) | $10.00 | per year |


### World Clock

[App page](https://appshunter.io/ios/app/world-clock-time-zone-map/id6783319600)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instant Timer free?

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

### Is World Clock free?

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

### Do Instant Timer or World Clock have ads?

Instant Timer shows ads; World Clock does not.

### Which is updated more often, Instant Timer or World Clock?

Instant Timer ships an update every 25 months, and World Clock every 6 weeks. Most recently, Instant Timer was updated on October 25, 2026 and World Clock on October 7, 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.*