# SOPX vs Bison App

The clearest difference is in-app purchases: Bison App at none against SOPX's 1. Bison App also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SOPX sells 1 in-app purchase, starting at $9.99 per month. Bison App asks for nothing beyond the download.

SOPX ships an update every 6 weeks, Bison App monthly. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SOPX | Bison App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 16 MB | 81 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Elie F. Gebran](https://appshunter.io/developer/552036126) | [Bison Grid Limited](https://appshunter.io/developer/1866876641) |

## What reviewers say

### SOPX

[App page](https://appshunter.io/ios/app/sopx/id6751338729)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SOPX Pro | $9.99 | per month |


### Bison App

[App page](https://appshunter.io/ios/app/bison-app/id6757429109)

**In-app purchases:** none


## Frequently asked questions

### Is SOPX free?

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

### Is Bison App free?

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

### Do SOPX or Bison App have ads?

Neither SOPX nor Bison App shows ads.

### Which is updated more often, SOPX or Bison App?

SOPX ships an update every 6 weeks, and Bison App monthly. Most recently, SOPX was updated on October 10, 2026 and Bison App on October 16, 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.*