# Inside Joint vs CatchUpNeuro

The clearest difference is in-app purchases: Inside Joint at none against CatchUpNeuro's 2. Inside Joint also leads on iOS requirement (13.0 vs 17.0). CatchUpNeuro's advantage is update cadence (every 4 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. CatchUpNeuro sells 2 one-off in-app purchases. Inside Joint asks for nothing beyond the download.

Inside Joint ships an update every 12 months, CatchUpNeuro every 4 days. The most recent releases landed on October 27, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Inside Joint | CatchUpNeuro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 32 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Fidia Pharma Middle East](https://appshunter.io/developer/1347689347) | [Sven van Egmond](https://appshunter.io/developer/6792272389) |

## What reviewers say

### Inside Joint

[App page](https://appshunter.io/ios/app/inside-joint/id1537564085)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatchUpNeuro

[App page](https://appshunter.io/ios/app/catchupneuro-neurology/id6809908540)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee for the developer | $1.99 | one-time |
| Large coffee for the developer | $7.99 | one-time |


## Frequently asked questions

### Is Inside Joint free?

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

### Is CatchUpNeuro free?

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

### Do Inside Joint or CatchUpNeuro have ads?

Neither Inside Joint nor CatchUpNeuro shows ads.

### Which is updated more often, Inside Joint or CatchUpNeuro?

Inside Joint ships an update every 12 months, and CatchUpNeuro every 4 days. Most recently, Inside Joint was updated on October 27, 2026 and CatchUpNeuro on November 6, 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.*