# Zen World Time Converter vs OneConvert

The clearest difference is ads: Zen World Time Converter at none against OneConvert's shown. Zen World Time Converter also leads on iOS requirement (10.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Zen World Time Converter sells 1 one-off in-app purchase and OneConvert sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Zen World Time Converter | OneConvert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (189 ratings)](https://appshunter.io/ios/app/zen-world-time-converter/id1467876592/reviews)** | — |
| Number of ratings | **189** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | — |
| Size | 18 MB | 8 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Paraschiv](https://appshunter.io/developer/1397312861) | [Qais Ali](https://appshunter.io/developer/577053562) |

## What reviewers say

### Zen World Time Converter

[App page](https://appshunter.io/ios/app/zen-world-time-converter/id1467876592)

Easily find the current time in any location worldwide. This app simplifies scheduling calls across different time zones with an intuitive slider for quick time adjustments. It offers extensive location data and clear visual differentiation of day and night hours.

**Highlights:** Global time zone conversion, Over 22,000 locations, Customizable daylight hours, Intuitive time slider, Clear day/night differentiation, Ad-free experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zen World Time Pro Features | $5.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎨 Clean, elegant, and visually appealing design
- ⚡ Easy to use for quick time zone comparisons
- 🌍 Supports multiple cities simultaneously
- 🔄 Smooth slider functionality for time adjustments

**What reviewers complain about**

- 🐛 Incorrect time zone data for some locations
- 📱 Not optimized for iPad (iPhone-only formatting)
- 🔒 Limited free version (only 2 cities)
- 📊 Limited time range (only 7 days ahead)
- 🎚️ Excessive scrolling needed to view all cities

**Reported bugs**

- Time doesn't auto-update after app launch
- Red button to snap back to current time shows outdated time
- Incorrect time zone placement (St. Barthélemy in French Alps instead of Caribbean)
- Calendar functionality not working as expected
- Sunrise/sunset can only be set in 30-minute increments

**Requested features**

- 24-hour time format option
- Ability to rearrange cities by drag-and-drop
- Alphabetical or custom sorting of city list
- Customizable font colors per city
- Custom city names (e.g., 'Grandma', 'Corporate')


### OneConvert

[App page](https://appshunter.io/ios/app/oneconvert/id6744206434)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Access | $69.99 | one-time |


## Frequently asked questions

### Is Zen World Time Converter free?

Zen World Time Converter is free to download, with in-app purchases available.

### Is OneConvert free?

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

### Do Zen World Time Converter or OneConvert have ads?

OneConvert shows ads; Zen World Time Converter does not.

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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.*