# Zeus vs Underworld vs Orbit Tracker

The clearest difference is ads: Orbit Tracker at none against Zeus vs Underworld's shown. Zeus vs Underworld's advantage is update cadence (every 2 days vs every 10 days) and iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Zeus vs Underworld ships an update every 2 days, Orbit Tracker every 10 days. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Zeus vs Underworld | Orbit Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 13 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GRUPEER SIA](https://appshunter.io/developer/1837413583) | [Alexa Simmons](https://appshunter.io/developer/6791687041) |

## What reviewers say

### Zeus vs Underworld

[App page](https://appshunter.io/ios/app/zeus-vs-underworld/id6751887222)

**In-app purchases:** none


### Orbit Tracker

[App page](https://appshunter.io/ios/app/orbit-tracker/id6791687039)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zeus vs Underworld free?

Zeus vs Underworld is free to download, with no in-app purchases.

### Is Orbit Tracker free?

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

### Do Zeus vs Underworld or Orbit Tracker have ads?

Zeus vs Underworld shows ads; Orbit Tracker does not.

### Which is updated more often, Zeus vs Underworld or Orbit Tracker?

Zeus vs Underworld ships an update every 2 days, and Orbit Tracker every 10 days. Most recently, Zeus vs Underworld was updated on September 20, 2026 and Orbit Tracker on September 13, 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.*