# World Time Difference vs Ruby

The clearest difference is rating: Ruby at 5.0 against World Time Difference's 1.0. World Time Difference's advantage is in-app purchases (none vs 2) and iOS requirement (9.3 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Ruby sells 2 in-app purchases, starting at $4.99 per month. World Time Difference asks for nothing beyond the download.

Ruby holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | World Time Difference | Ruby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/world-time-difference/id1338174206/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ruby-private-voice-journal/id6754594782/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 42 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki KUROKI](https://appshunter.io/developer/967968449) | [Oliver Saylor](https://appshunter.io/developer/691952957) |

## What reviewers say

### World Time Difference

[App page](https://appshunter.io/ios/app/world-time-difference/id1338174206)

Easily compare current times across different global locations. This app helps you understand time zone differences and plan accordingly, going beyond basic clock functions.

**Highlights:** Compare global times, Understand time zone differences, Calculate future/past times, Specify custom locations

**Features:** macOS Compatibility

**In-app purchases:** none


### Ruby

[App page](https://appshunter.io/ios/app/ruby-private-voice-journal/id6754594782)

Effortlessly capture your thoughts and feelings using your voice. This AI-powered journal transforms spoken words into organized written entries, offering insights and prompts for self-reflection. Enjoy a private, ad-free space to improve your mood, focus, and mental well-being.

**Highlights:** Voice-to-text journaling, Smart AI insights, Completely private storage, Daily reflection prompts, Minimalist design, Track personal growth

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is World Time Difference free?

World Time Difference is free to download, with no in-app purchases.

### Is Ruby free?

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

### Which has better reviews, World Time Difference or Ruby?

Ruby is rated higher. World Time Difference averages 1.0 out of 5 from 1 ratings, while Ruby averages 5.0 from 1 ratings.

### Do World Time Difference or Ruby have ads?

Neither World Time Difference nor Ruby 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.*