Comparison

Raynaud vs EPIO Research

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

Head to head
About

Raynaud

This app allows individuals experiencing Raynaud's symptoms to meticulously log their attacks. Users can document episodes as they happen or recall past events. It also offers a daily diary feature and customizable reminders for notifications.

Highlights
  • Real-time attack logging
  • Retrospective attack reporting
  • Daily RCS diary completion
  • Customizable notification reminders
  • Attack tracking for Raynaud's symptoms
Features
Read full description

This application helps users with Raynaud symptoms track the attacks. Users can record their attacks in real-time or retrospectively report attacks they have experienced. Additionally, users can complete the RCS diary at the end of the day and set up a reminder to receive a notification.

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

Screenshots

Raynaud4 screens
EPIO Research4 screens

Verdict

The call

The clearest difference is update cadence: EPIO Research at every 2 months against Raynaud's every 5 months. EPIO Research also leads on iOS requirement (14.0 vs 16.4). 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

Raynaud ships an update every 5 months, EPIO Research every 2 months. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Raynaud versus EPIO Research: the parameters behind the verdict, then further details
ParameterRaynaudEPIO Research
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.414.0 — better
Further details — not scored
Size24 MB31 MB
Age rating12+4+
DeveloperBambang ParmantoOslo Universitetssykehus HF

In-app purchases

None

Raynaud

No in-app purchases

None

EPIO Research

No in-app purchases

Questions

Is Raynaud free?
Raynaud is free to download, with no in-app purchases.
Is EPIO Research free?
EPIO Research is free to download, with no in-app purchases.
Do Raynaud or EPIO Research have ads?
Neither Raynaud nor EPIO Research shows ads.
Which is updated more often, Raynaud or EPIO Research?
Raynaud ships an update every 5 months, and EPIO Research every 2 months. Most recently, Raynaud was updated on October 21, 2026 and EPIO Research on October 5, 2026.

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