# EcoTrac Studio vs World Clock ۬

The clearest difference is in-app purchases: EcoTrac Studio at none against World Clock ۬'s 1. EcoTrac Studio also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. World Clock ۬ sells 1 one-off in-app purchase. EcoTrac Studio asks for nothing beyond the download.

EcoTrac Studio ships an update monthly, World Clock ۬ every 5 weeks. The most recent releases landed on February 3, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | EcoTrac Studio | World Clock ۬ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (55 ratings)](https://appshunter.io/ios/app/world-clock/id6748332790/reviews)** |
| Number of ratings | — | **55** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 25 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Smart Manufacturing Co., Ltd](https://appshunter.io/developer/1544401850) | [Draunt LLC](https://appshunter.io/developer/1067629917) |

## What reviewers say

### EcoTrac Studio

[App page](https://appshunter.io/ios/app/ecotrac-studio/id6748297357)

**Features:** macOS Compatibility

**In-app purchases:** none


### World Clock ۬

[App page](https://appshunter.io/ios/app/world-clock/id6748332790)

Easily track and compare time zones across the globe. Plan meetings, calls, or events with family, friends, or colleagues in different countries. Features include unlimited city additions, daylight saving time support, and offline access.

**Highlights:** Add Unlimited Cities, Compare Multiple Locations, Real-Time World Clock, Daylight Saving Time Support, Offline Access, Dark Mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| World Clock Pro | $4.99 | one-time |


## Frequently asked questions

### Is EcoTrac Studio free?

EcoTrac Studio is free to download, with no in-app purchases.

### Is World Clock ۬ free?

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

### Do EcoTrac Studio or World Clock ۬ have ads?

Neither EcoTrac Studio nor World Clock ۬ shows ads.

### Which is updated more often, EcoTrac Studio or World Clock ۬?

EcoTrac Studio ships an update monthly, and World Clock ۬ every 5 weeks. Most recently, EcoTrac Studio was updated on February 3, 2026 and World Clock ۬ on September 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.*