# Robert Mark vs Orbit Online (Zeno)

The clearest difference is update cadence: Orbit Online (Zeno) at every 2 weeks against Robert Mark's every 12 months. Robert Mark's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

Robert Mark ships an update every 12 months, Orbit Online (Zeno) every 2 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Robert Mark | Orbit Online (Zeno) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 41 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shimmering Blue Interactive Creations CC](https://appshunter.io/developer/444687673) | [Serko Limited](https://appshunter.io/developer/962222768) |

## What reviewers say

### Robert Mark

[App page](https://appshunter.io/ios/app/robert-mark/id1162576323)

**Features:** macOS Compatibility

**In-app purchases:** none


### Orbit Online (Zeno)

[App page](https://appshunter.io/ios/app/orbit-online-zeno/id1563846626)

This travel management app provides business travelers with full itinerary access, booking capabilities, and real-time travel alerts. It offers personalized recommendations and destination information to streamline business trips.

**Highlights:** Full booking functionality, Recommended itinerary, View travel itinerary (offline/online), Real-time notifications, On-Time Calculator, Destination information, Mobile check-in

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

**In-app purchases:** none


## Frequently asked questions

### Is Robert Mark free?

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

### Is Orbit Online (Zeno) free?

Orbit Online (Zeno) is free to download, with no in-app purchases.

### Do Robert Mark or Orbit Online (Zeno) have ads?

Neither Robert Mark nor Orbit Online (Zeno) shows ads.

### Which is updated more often, Robert Mark or Orbit Online (Zeno)?

Robert Mark ships an update every 12 months, and Orbit Online (Zeno) every 2 weeks. Most recently, Robert Mark was updated on September 30, 2026 and Orbit Online (Zeno) on October 7, 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.*