# CEOSim vs Cathedra

The clearest difference is in-app purchases: CEOSim at none against Cathedra's 6. CEOSim also leads on iOS requirement (15.6 vs 26.0). Cathedra's advantage is update cadence (every 5 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Cathedra sells 6 in-app purchases, starting at $3.99 per month. CEOSim asks for nothing beyond the download.

CEOSim ships an update every 3 months, Cathedra every 5 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CEOSim | Cathedra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 78 MB | 20 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nueva Gestion](https://appshunter.io/developer/1524891299) | [REMZI ATASAGUN POYRAZOGLU](https://appshunter.io/developer/6791637217) |

## What reviewers say

### CEOSim

[App page](https://appshunter.io/ios/app/ceosim/id6738446171)

**In-app purchases:** none


### Cathedra

[App page](https://appshunter.io/ios/app/cathedra/id6802411051)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cathedra Plus | $3.99 | per month |
| Cathedra Pro | $11.99 | per month |
| Cathedra Max | $24.99 | per month |
| Cathedra Plus | $24.99 | per year |
| Cathedra Pro | $69.99 | per year |
| Cathedra Max | $149.99 | per year |


## Frequently asked questions

### Is CEOSim free?

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

### Is Cathedra free?

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

### Do CEOSim or Cathedra have ads?

Neither CEOSim nor Cathedra shows ads.

### Which is updated more often, CEOSim or Cathedra?

CEOSim ships an update every 3 months, and Cathedra every 5 days. Most recently, CEOSim was updated on November 8, 2026 and Cathedra on November 6, 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.*