# TracPatch Knee HCP vs GAP

The clearest difference is update cadence: TracPatch Knee HCP at every 2 months against GAP's every 10 months. GAP's advantage is iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TracPatch Knee HCP ships an update every 2 months, GAP every 10 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | TracPatch Knee HCP | GAP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (4 ratings)](https://appshunter.io/ios/app/gap-flex/id1451112516/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | — | Free |
| Size | 50 MB | 96 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Consensus Orthopedics](https://appshunter.io/developer/1434767853) | [GAP-FLEX®](https://appshunter.io/developer/1451112515) |

## What reviewers say

### TracPatch Knee HCP

[App page](https://appshunter.io/ios/app/tracpatch-knee-hcp/id1434767855)

**Features:** macOS Compatibility

**In-app purchases:** none


### GAP

[App page](https://appshunter.io/ios/app/gap-flex/id1451112516)

This app guides users through knee recovery therapy using a gravity-based system. It provides setup instructions, animated demonstrations, therapy timers, progress tracking, and recommended exercises to aid in regaining range of motion after knee replacement.

**Highlights:** Setup instructions, Animated demonstrations, Therapy timer, Progress tracking, Recommended exercises

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TracPatch Knee HCP free?

TracPatch Knee HCP is free to download, with no in-app purchases.

### Is GAP free?

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

### Do TracPatch Knee HCP or GAP have ads?

Neither TracPatch Knee HCP nor GAP shows ads.

### Which is updated more often, TracPatch Knee HCP or GAP?

TracPatch Knee HCP ships an update every 2 months, and GAP every 10 months. Most recently, TracPatch Knee HCP was updated on October 2, 2026 and GAP on September 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*