# TROPION vs RheoFit

The clearest difference is update cadence: RheoFit at weekly against TROPION's every 4 months. 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.

TROPION ships an update every 4 months, RheoFit weekly. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TROPION | RheoFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rheofit/id6497569508/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free |
| Size | 79 MB | 187 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Medable, Inc.](https://appshunter.io/developer/660544651) | [Yunwang Innovation Intelligence (shenzhen) Co., Ltd.](https://appshunter.io/developer/1725094284) |

## What reviewers say

### TROPION

[App page](https://appshunter.io/ios/app/tropion-lung08/id1583620692)

**Features:** Vision Pro support

**In-app purchases:** none


### RheoFit

[App page](https://appshunter.io/ios/app/rheofit/id6497569508)

This app serves as a personal rehabilitation therapist, offering customized massage experiences for muscle recovery. It provides various modes, smart solutions for different needs, and allows users to monitor device battery status.

**Highlights:** Multiple speed and focus modes, Customizable massage intervals and duration, 43 rehabilitation solutions for various needs, Battery status monitoring, User guide and function explanations

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

**In-app purchases:** none


## Frequently asked questions

### Is TROPION free?

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

### Is RheoFit free?

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

### Do TROPION or RheoFit have ads?

Neither TROPION nor RheoFit shows ads.

### Which is updated more often, TROPION or RheoFit?

TROPION ships an update every 4 months, and RheoFit weekly. Most recently, TROPION was updated on October 13, 2026 and RheoFit on October 14, 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.*