Comparison

EPIO Research vs Extensor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

EPIO Research

Features

Read full description

EPIO is a pain self-management program designed to support those living with chronic pain, and includes information, various strategies and coping methods, useful exercises and many other thoughts and suggestions for everyday life. EPIO is based on scientific methods and principles that we know can work, and the goal is for EPIO to help reduce the impact of pain in your everyday life, and to make it easier for you to live well, despite the pain. If you want to know more about the initial EPIO research project, you can visit our websites: www.epio.no

About

Extensor

Features

Read full description

Get help from your physiotherapist when and where you need it the most. Extensor gives your therapist a range of tools, so that you can: - Watch videos created especially for you to guide you through your personalised exercises and plans - Track the exercises you complete at home - Get help and advice from your physio if you're struggling To help you get the most from your treatment and speed up your recovery. DISCLAIMER: https://extensor.app/disclaimer.html

Screenshots

EPIO Research4 screens

Extensor3 screens

Verdict

The call

The clearest difference is update cadence: EPIO Research at every 2 months against Extensor's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

EPIO Research ships an update every 2 months, Extensor every 5 months. The most recent releases landed on September 18, 2026 and November 26, 2025 respectively.

Scorecard1 real difference · 5 level

EPIO Research versus Extensor: the parameters behind the verdict, then further details
Parameter	EPIO Research	Extensor
Price	Free	Free
Update frequency	Every 2 months — better	Every 5 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0	13.4 — better
Further details — not scored
Size	31 MB	26 MB
Age rating	4+	4+
Developer	Oslo Universitetssykehus HF	Extensor Applications LTD

In-app purchases

None

EPIO Research

No in-app purchases

None

Extensor

No in-app purchases

Questions

Is EPIO Research free?

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

Is Extensor free?

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

Do EPIO Research or Extensor have ads?

Neither EPIO Research nor Extensor shows ads.

Which is updated more often, EPIO Research or Extensor?

EPIO Research ships an update every 2 months, and Extensor every 5 months. Most recently, EPIO Research was updated on September 18, 2026 and Extensor on November 26, 2025.