# World Clock Scheduler vs Bird Bam

The clearest difference is update cadence: Bird Bam at every 4 days against World Clock Scheduler's every 2 weeks. World Clock Scheduler's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. World Clock Scheduler sells 1 one-off in-app purchase and Bird Bam sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

World Clock Scheduler ships an update every 2 weeks, Bird Bam every 4 days. The most recent releases landed on September 30, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | World Clock Scheduler | Bird Bam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 40 MB | 20 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Verenes LLC](https://appshunter.io/developer/1769311368) | [TRIBE INDUSTRIES, INC](https://appshunter.io/developer/1804459056) |

## What reviewers say

### World Clock Scheduler

[App page](https://appshunter.io/ios/app/world-clock-scheduler/id6748708602)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $4.99 | one-time |


### Bird Bam

[App page](https://appshunter.io/ios/app/bird-bam/id6779308422)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bird Bam Monthly | $1.99 | per month |
| Bird Bam Pro Monthly | $4.99 | per month |
| Bird Bam | $39.99 | per year |


## Frequently asked questions

### Is World Clock Scheduler free?

World Clock Scheduler is free to download, with in-app purchases available.

### Is Bird Bam free?

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

### Do World Clock Scheduler or Bird Bam have ads?

Both World Clock Scheduler and Bird Bam show ads.

### Which is updated more often, World Clock Scheduler or Bird Bam?

World Clock Scheduler ships an update every 2 weeks, and Bird Bam every 4 days. Most recently, World Clock Scheduler was updated on September 30, 2026 and Bird Bam on October 21, 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.*