# Reactive PT vs InstaGainz

The clearest difference is update cadence: InstaGainz at every 5 days against Reactive PT's every 16 months. InstaGainz also leads on device support and ratings volume (3 vs 1). Reactive PT's advantage is iOS requirement (15.1 vs 18.0). On price, rating, in-app purchases and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Reactive PT against 5.0 for InstaGainz. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Reactive PT ships an update every 16 months, InstaGainz every 5 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Reactive PT | InstaGainz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/reactive-pt/id1645590081/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/instagainz/id6740158082/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 43 MB | 29 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | — | **iPhone, iPad, Apple Watch** |
| Age rating | 12+ | 17+ |
| Developer | [Reactive Physical Therapy PLLC](https://appshunter.io/developer/1645590083) | [Bryce Herman](https://appshunter.io/developer/1788630248) |

## What reviewers say

### Reactive PT

[App page](https://appshunter.io/ios/app/reactive-pt/id1645590081)

Access your personalized home exercise program with HD instructional videos. Securely message your provider, track progress with awards, and manage appointments. Integrates with your iPhone's Health app for activity monitoring.

**Highlights:** Personalized Home Exercise Program, HD Instructional Videos, Secure Messaging with Provider, Progress Tracking with Awards, Appointment Management, Health App Integration

**In-app purchases:** none


### InstaGainz

[App page](https://appshunter.io/ios/app/instagainz/id6740158082)

This app combines advanced fitness tracking with a social community to help users achieve their health and fitness goals. Log meals, track workouts, generate custom routines, and connect with others for motivation and accountability.

**Highlights:** Complete meal tracking, Precision workout logger, AI workout generator, Weight goal planner, Social feed and community, Workout challenges, Milestones and badges

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Reactive PT free?

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

### Is InstaGainz free?

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

### Which has better reviews, Reactive PT or InstaGainz?

Reactive PT and InstaGainz are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Which is updated more often, Reactive PT or InstaGainz?

Reactive PT ships an update every 16 months, and InstaGainz every 5 days. Most recently, Reactive PT was updated on September 30, 2026 and InstaGainz on October 5, 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.*