# Function Relief — Retrain your nervous system

> Daily program to retrain the nervous system for persistent pain relief. (iPhone/iPad app by Function Relief, LLC.)

- Source: https://appshunter.io/ios/app/function-relief/id1551965487 (this page in markdown: same URL + `.md`)
- Developer: [Function Relief, LLC](https://appshunter.io/developer/1608631453)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Rating: 5.00/5 from 8 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 66 MB
- Languages: English
- Released: 2021-11-11
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/function-relief/id1551965487/reviews.md

## What is Function Relief?

Thanks to the hard work of thousands of scientists and clinicians from all around the world, there's a new path out of persistent pain. Function is a daily program that helps you use it.

## Key features

- Daily program for nervous system retraining
- Path to persistent pain relief
- Scientifically-backed approach
- Clinician-developed program

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/function-relief/id1551965487/reviews.md

### 5/5 — Life-changing

*2022-04-16*

I’ve suffered from episodes of lower back pain for over two decades. I thought I would for the rest of my life, until I went through the Function program. Since completing the program, my pain episodes have become far less frequent. When they do come up, they are quite mild. Back pain is no longer a major part of my life.

### 5/5 — Super helpful!

*2022-03-15*

This program significantly helped me to figure how out to reduce my lower back pain.  Highly recommend it to anyone with chronic pain.

## Frequently asked questions about Function Relief

### What is Function Relief?

Function Relief is a daily program designed to help retrain your nervous system. It aims to provide a new path out of persistent pain, based on extensive scientific and clinical research.

### Is Function Relief free to use?

Yes, Function Relief is available for free. The app is listed with a 'Free' price point and does not appear to have any in-app purchases or subscription fees.

### What devices does Function Relief support?

Function Relief is available on iPhone, iPad, and iPod devices. It is designed to be accessible across Apple's mobile ecosystem.

### How accurate is the data in Function Relief?

The app's description emphasizes its foundation in the work of thousands of scientists and clinicians, suggesting a high degree of evidence-based methodology. Specific data accuracy metrics are not provided.

### Does Function Relief integrate with other health apps?

Information regarding integration with other health apps or devices is not detailed in the provided description. The focus is on its internal program for nervous system retraining.

### What types of pain does Function Relief address?

Function Relief is designed to help with persistent pain. The program aims to retrain the nervous system, which can be beneficial for various types of chronic discomfort.

### How often is Function Relief updated?

The latest version of Function Relief is 1.0.8, last updated on August 20, 2022. This indicates a moderate update frequency for the application.

### What is the age rating for Function Relief?

Function Relief has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals with parental guidance.

## Version history (last 5 releases)

### 1.0.8 — 2022-08-20

Bug fix.

### 1.0.7 — 2022-08-19

Fixed notifications. Small UI updates.

### 1.0.6 — 2022-07-28

Bug fixes.

### 1.0.5 — 2022-04-10

Bug fixes and small UX improvements.

### 1.0.4 — 2022-03-08

Bug fixes.

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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 2026-06-10.*