# Zonium vs Synchora

The clearest difference is in-app purchases: Synchora at none against Zonium's 1. Synchora also leads on iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Zonium sells 1 in-app purchase, starting at $5.99 per month. Synchora asks for nothing beyond the download.

## The numbers

| Metric | Zonium | Synchora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (11 ratings)](https://appshunter.io/ios/app/zonium-timezone-converter/id6617216986/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 0 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [InVooDoo LLC](https://appshunter.io/developer/1173246186) | [Yevhen Holota](https://appshunter.io/developer/1636062502) |

## What reviewers say

### Zonium

[App page](https://appshunter.io/ios/app/zonium-timezone-converter/id6617216986)

Easily convert timezones, check weather forecasts, and visualize time differences globally. Plan meetings and trips with confidence using features like timezone overlap views and availability checkers. Enjoy beautiful day/night visualizations and custom zone naming for a personalized experience.

**Highlights:** Timezone conversion for past, present, future, Weather forecasts up to 10 days, Timezone overlap visualization, Availability checker, Day & night visualization, Custom zone naming, Calendar event integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InVooDoo One | $5.99 | per month |


### Synchora

[App page](https://appshunter.io/ios/app/synchora-timezone-tracker/id6744063037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zonium free?

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

### Is Synchora free?

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

### Do Zonium or Synchora have ads?

Neither Zonium nor Synchora shows ads.

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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.*