# Knox Studio vs NeuroFight

The clearest difference is in-app purchases: Knox Studio at none against NeuroFight's 2. NeuroFight's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NeuroFight sells 2 in-app purchases, starting at $3.99 per 7 days. Knox Studio asks for nothing beyond the download.

Knox Studio ships an update every 2 months, NeuroFight every 10 days. The most recent releases landed on October 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Knox Studio | NeuroFight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 123 MB | 38 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knox Fit LLP](https://appshunter.io/developer/1382590033) | [Abhisman Sarkar](https://appshunter.io/developer/1817843168) |

## What reviewers say

### Knox Studio

[App page](https://appshunter.io/ios/app/knox-studio/id6467772672)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### NeuroFight

[App page](https://appshunter.io/ios/app/neurofight-sparring-tracker/id6795058171)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NeuroFight Pro Weekly | $3.99 | per 7 days |
| NeuroFight Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Knox Studio free?

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

### Is NeuroFight free?

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

### Do Knox Studio or NeuroFight have ads?

Knox Studio shows ads; NeuroFight does not.

### Which is updated more often, Knox Studio or NeuroFight?

Knox Studio ships an update every 2 months, and NeuroFight every 10 days. Most recently, Knox Studio was updated on October 4, 2026 and NeuroFight on November 10, 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.*