# World Clock Pro vs Birds@SG

The clearest difference is ads: World Clock Pro at none against Birds@SG's shown. World Clock Pro also leads on iOS requirement (13.0 vs 15.6). Birds@SG's advantage is update cadence (every 6 days vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. World Clock Pro sells 5 in-app purchases, starting at $1.99 per month and Birds@SG sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

World Clock Pro ships an update every 2 months, Birds@SG every 6 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | World Clock Pro | Birds@SG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/world-clock-pro-convert-time/id969635117/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Subscription | — |
| Size | 41 MB | 58 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alex Komarov Inc.](https://appshunter.io/developer/364741805) | [Hosay Studios](https://appshunter.io/developer/599398754) |

## What reviewers say

### World Clock Pro

[App page](https://appshunter.io/ios/app/world-clock-pro-convert-time/id969635117)

Easily track and convert time across multiple global time zones. Schedule events, share accurate times instantly, and access a vast database of cities and time zones. Ideal for international communication and planning.

**Highlights:** Universal clock access, Effortless time conversion, Schedule calendar events, Instant time sharing, Large city and timezone database, Automatic timezone updates

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $1.99 | per month |
| 1 month | $2.99 | per month |
| 1 year | $9.99 | per year |
| 1 year | $11.99 | per year |
| 1 year | $19.99 | per year |

**What reviewers like**

- 🚀 Elegant and intuitive interface
- 🔍 Excellent visualization of multiple time zones
- ⏱ Seamless time shifting
- 🌍 Convenient for international teams and travelers
- 📆 Helpful for scheduling across time zones

**What reviewers complain about**

- 🐛 Widget issues and lack of functionality
- 🖥 Lack of iPad and landscape mode support
- 🔧 Concerns about app updates and feature removals
- 💰 Complaints about subscription model and pricing

**Reported bugs**

- Widget not working on iOS 14 and newer
- Issues with local time zone detection and display
- Inconsistent behavior after app updates

**Requested features**

- Add date function for future time zone changes
- Ability to customize and sort displayed time zones
- Implement an Apple Watch app
- Improve widget functionality and customization


### Birds@SG

[App page](https://appshunter.io/ios/app/birdssg/id6759211949)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Birds@SG Pro Monthly | $1.99 | per month |
| Birds@SG Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is World Clock Pro free?

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

### Is Birds@SG free?

Birds@SG is free to download, with in-app purchases available.

### Do World Clock Pro or Birds@SG have ads?

Birds@SG shows ads; World Clock Pro does not.

### Which is updated more often, World Clock Pro or Birds@SG?

World Clock Pro ships an update every 2 months, and Birds@SG every 6 days. Most recently, World Clock Pro was updated on October 22, 2026 and Birds@SG on October 20, 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.*