# SOL vs Mustang Inner Circle

SOL and Mustang Inner Circle are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SOL sells 1 one-off in-app purchase and Mustang Inner Circle sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SOL ships an update every 13 months, Mustang Inner Circle every 9 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SOL | Mustang Inner Circle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Size | 85 MB | 84 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [TagMango Inc](https://appshunter.io/developer/1611765353) | [Mohammad Hasan](https://appshunter.io/developer/1840610284) |

## What reviewers say

### SOL

[App page](https://appshunter.io/ios/app/sol-esh/id6751191140)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Love Mastery - Gold | $49.99 | one-time |


### Mustang Inner Circle

[App page](https://appshunter.io/ios/app/mustang-inner-circle/id6757395852)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Immmersion 2025 | $49.99 | one-time |


## Frequently asked questions

### Is SOL free?

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

### Is Mustang Inner Circle free?

Mustang Inner Circle is free to download, with in-app purchases available.

### Do SOL or Mustang Inner Circle have ads?

Neither SOL nor Mustang Inner Circle shows ads.

### Which is updated more often, SOL or Mustang Inner Circle?

SOL ships an update every 13 months, and Mustang Inner Circle every 9 months. Most recently, SOL was updated on October 28, 2026 and Mustang Inner Circle on October 31, 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.*