# FITSystem

> Research study application requiring participant-provided hardware. (iPhone/iPad app by NuRelm, Inc..)

- Source: https://appshunter.io/ios/app/fitsystem/id6747683029 (this page in markdown: same URL + `.md`)
- Developer: [NuRelm, Inc.](https://appshunter.io/developer/1133984813)
- Category: Health & Fitness
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 17.6 · 33 MB
- Languages: American English
- Released: 2026-02-09
- Data updated: 2026-08-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/fitsystem/id6747683029/reviews.md

## What is FITSystem?

This is a mobile application for a research study, NIH# 1R44HD114504-01A1 (https://reporter.nih.gov/search/XNP6X_5iVUqNwWVyJoAJHg/project-details/10920281).

Using and testing the app requires hardware provided to research participants.

## Key features

- Research study participation
- Requires specialized hardware
- NIH-funded project integration


## Frequently asked questions about FITSystem

### What is FITSystem used for?

FITSystem is a mobile application developed for a specific research study funded by the NIH. Its primary purpose is to facilitate data collection and interaction for participants within this research project.

### Can I use FITSystem without the required hardware?

No, using and testing FITSystem requires specific hardware that is provided to research participants. The app is not functional without this specialized equipment.

### Is FITSystem available for Android devices?

Based on the provided data, FITSystem is currently supported on iPhone devices. Information regarding Android compatibility is not available.

### How often is FITSystem updated?

The latest version of FITSystem is 3.3.0, and it was last updated on April 29, 2026. This indicates a recent update, suggesting ongoing development and maintenance for the study.

### What is the age rating for FITSystem?

FITSystem has an age rating of 4+. This means it is considered suitable for users aged 4 and above.

### Does FITSystem have ads?

No, FITSystem does not contain advertisements. The app is free to use and does not display any promotional content.

### What is the user rating for FITSystem?

FITSystem has a high user rating of 5.0 stars, based on 2 ratings. This suggests a very positive reception from its current user base.

### Who developed FITSystem?

FITSystem was developed by NuRelm, Inc. They are the company responsible for creating and maintaining the application for the research study.

## Version history (last 5 releases)

### 3.5.2 — 2026-07-29

FAQ and profile retrieval updates

### 3.5.1 — 2026-07-11

Addition of a Trend Line graph for weights over time and new Weigh Me Now cadence.

### 3.3.0 — 2026-04-29

Weigh Me Now Feature

### 3.2.0 — 2026-04-13

"Weigh Me Now" Feature Added

### 3.1.2 — 2026-04-01

Security Updates

## More apps by NuRelm, Inc.

- [MoodRing App](https://appshunter.io/ios/app/moodring-app/id1610580715)
- [LemurDX](https://appshunter.io/ios/app/lemurdx/id6743452228)
- [Cued Go No Go](https://appshunter.io/ios/app/cued-go-no-go/id6747976210)

All apps by NuRelm, Inc.: https://appshunter.io/developer/1133984813

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-02.*