# ThesisOS vs Orca

The clearest difference is in-app purchases: ThesisOS at none against Orca's 2. ThesisOS also leads on update cadence (fortnightly vs every 6 weeks). Orca's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Orca sells 2 in-app purchases, starting at $8.99 per month. ThesisOS asks for nothing beyond the download.

ThesisOS ships an update fortnightly, Orca every 6 weeks. The most recent releases landed on October 11, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | ThesisOS | Orca |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thesisos/id6761431040/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 3 MB | 59 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [ThesisOS LLC](https://appshunter.io/developer/1889586145) | [Polywhaler](https://appshunter.io/developer/6799124144) |

## What reviewers say

### ThesisOS

[App page](https://appshunter.io/ios/app/thesisos/id6761431040)

This app allows users to engage with prediction markets by identifying top traders and automatically mirroring their positions. It offers cross-platform synchronization, smart notifications, and simplified trade execution, eliminating the need for constant market monitoring.

**Highlights:** Discover high-performing traders, Automatically mirror positions, Cross-platform fidelity, Intelligent alerts, Effortless execution

**In-app purchases:** none


### Orca

[App page](https://appshunter.io/ios/app/orca-prediction-markets/id6799124142)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $8.99 | per month |
| Pro Annual | $59.99 | per year |


## Frequently asked questions

### Is ThesisOS free?

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

### Is Orca free?

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

### Do ThesisOS or Orca have ads?

Neither ThesisOS nor Orca shows ads.

### Which is updated more often, ThesisOS or Orca?

ThesisOS ships an update fortnightly, and Orca every 6 weeks. Most recently, ThesisOS was updated on October 11, 2026 and Orca on October 29, 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.*