# SimStock vs Prediction Market

The clearest difference is in-app purchases: SimStock at none against Prediction Market's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Prediction Market sells 2 in-app purchases, starting at $7.99 per 7 days. SimStock asks for nothing beyond the download.

SimStock ships an update every 4 days, Prediction Market every 2 days. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | SimStock | Prediction Market |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 10 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [jeeyong lee](https://appshunter.io/developer/1886160887) | [Astroverse ltd](https://appshunter.io/developer/1683829494) |

## What reviewers say

### SimStock

[App page](https://appshunter.io/ios/app/simstock/id6761748603)

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

**In-app purchases:** none


### Prediction Market

[App page](https://appshunter.io/ios/app/prediction-market/id6786890263)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $7.99 | per 7 days |
| Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is SimStock free?

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

### Is Prediction Market free?

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

### Do SimStock or Prediction Market have ads?

Both SimStock and Prediction Market show ads.

### Which is updated more often, SimStock or Prediction Market?

SimStock ships an update every 4 days, and Prediction Market every 2 days. Most recently, SimStock was updated on November 9, 2026 and Prediction Market on November 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.*