# Timezone Converter vs Unichrono

The clearest difference is update cadence: Unichrono at every 5 days against Timezone Converter's monthly. Unichrono also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Timezone Converter sells 2 in-app purchases, starting at $5.99 per month and Unichrono sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Timezone Converter ships an update monthly, Unichrono every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Timezone Converter | Unichrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/timezone-converter-celeste/id6759078756/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 34 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Pebblework Labs](https://appshunter.io/developer/1875744992) | [Abhilash Emmanuel](https://appshunter.io/developer/6802869223) |

## What reviewers say

### Timezone Converter

[App page](https://appshunter.io/ios/app/timezone-converter-celeste/id6759078756)

Easily track the local time and date for contacts worldwide. Avoid awkward calling hours by reviewing the best times to connect. Schedule meetings instantly with a Google Calendar link.

**Highlights:** Instant timezone comparison, People list with local time/date, Best time to call suggestions, Home screen widgets, One-tap Google Calendar scheduling, Clean, readable design

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Celeste Pro (Monthly) | $5.99 | per month |
| Celeste Pro (Lifetime) | $19.99 | one-time |


### Unichrono

[App page](https://appshunter.io/ios/app/unichrono/id6804218446)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unichrono: World Clock Widget | $2.99 | one-time |


## Frequently asked questions

### Is Timezone Converter free?

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

### Is Unichrono free?

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

### Do Timezone Converter or Unichrono have ads?

Neither Timezone Converter nor Unichrono shows ads.

### Which is updated more often, Timezone Converter or Unichrono?

Timezone Converter ships an update monthly, and Unichrono every 5 days. Most recently, Timezone Converter was updated on October 28, 2026 and Unichrono on October 29, 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.*