# Zulau vs Ruby Pace

The clearest difference is ads: Ruby Pace at none against Zulau's shown. Ruby Pace also leads on update cadence (every 2 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zulau ships an update every 3 weeks, Ruby Pace every 2 days. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Zulau | Ruby Pace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 44 MB | 0 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zharas Samatuly](https://appshunter.io/developer/1798900779) | [Jeremy Valensi](https://appshunter.io/developer/1598555503) |

## What reviewers say

### Zulau

[App page](https://appshunter.io/ios/app/zulau-pace-and-marathon-finder/id6742537609)

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

**In-app purchases:** none


### Ruby Pace

[App page](https://appshunter.io/ios/app/ruby-pace/id6743771837)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zulau free?

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

### Is Ruby Pace free?

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

### Do Zulau or Ruby Pace have ads?

Zulau shows ads; Ruby Pace does not.

### Which is updated more often, Zulau or Ruby Pace?

Zulau ships an update every 3 weeks, and Ruby Pace every 2 days. Most recently, Zulau was updated on October 17, 2026 and Ruby Pace on October 4, 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.*