Comparison

Shunt Diary Headache Tracker vs Douglas 3D Sizing

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

Head to head
About

Shunt Diary Headache Tracker

This app helps hydrocephalus patients track symptoms, headache severity using a visual scale, and changes in shunt settings. It serves as a personal journal for medical documentation.

Highlights
  • Symptom journaling
  • Headache severity visual scale
  • Shunt setting changes log
  • Hydrocephalus patient support
  • Medical documentation tool
Features
Read full description

Novel shunt diary and headache tracker for patients who suffer from hydrocephalus. This allows for journal entries to document symptoms, changes in shunt settings, and includes an easy to use color-coded visual analogue scale for headache severity. ***Disclaimer*** No advice: This app (“App)” provides only information, is not medical or treatment advice and may not be treated as such by the user. As such, this App may not be relied upon for the purposes of medical diagnosis or as a recommendation for medical care or treatment. The information on this App is not a substitute for professional medical advice, diagnosis or treatment. All content, including text, graphics, images and information, contained on or available through this App is for general information purposes only Professional Medical Advice and Assistance: You are strongly encouraged to confirm any information obtained from or through this App with your physician or another professional healthcare provider and to review all information regarding any medical condition or treatment with your physician or other a professional healthcare provider. No Reliance: YOU MUST NEVER RELY ON ANY INFORMATION OBTAINED USING THIS APP FOR ANY DIAGNOSIS OR RECOMMENDATION FOR MEDICAL TREATMENT. YOU MUST NEVER RELY ON THE INFORMATION RECEIVED FROM THIS APP AS ALTERNATIVE TO MEDICAL ADVICE FROM YOUR PHYSICIAN OR OTHER PROFESSIONAL HEALTHCARE PROVIDER. YOU MUST NEVER DISREGARD PROFESSIONAL MEDICAL ADVICE OR DELAY SEEKING MEDICAL TREATMENT AS RESULT OF ANY INFORMATION YOU HAVE SEEN ON OR ACCESSED THROUGH THIS APP. IF YOU HAVE ANY SPECIFIC QUESTIONS ABOUT ANY MEDICAL MATTER YOU SHOULD CONSULT YOUR PHYSICIAN OR OTHER PROFESSIONAL HEALTHCARE PROVIDER. IF YOU THINK YOU MAY BE SUFFERING FROM ANY MEDICAL CONDITION YOU SHOULD SEEK IMMEDIATE MEDICAL ATTENTION. No Warranty: The information provided by this App is provided “as is” without any representations or warranties, express or implied. This App makes no representations or warranties in relation to the medical or other information in this App.

About

Douglas 3D Sizing

Features
Read full description

This app uses the Structure SDK / TrueDepth camera for 3D scanning. Supported device list (updated regularly): https://techmed3d.zohodesk.com/portal/en/kb/articles/minimun-device-requirements The Douglas 3D sizing app assist in accurate measurements of the athlete's body to assist in the development of custom made products.

Screenshots

Shunt Diary Headache Tracker4 screens
Douglas 3D Sizing1 screens

Verdict

The call

The clearest difference is update cadence: Shunt Diary Headache Tracker at weekly against Douglas 3D Sizing's every 2 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

Shunt Diary Headache Tracker ships an update weekly, Douglas 3D Sizing every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 8 level
Shunt Diary Headache Tracker versus Douglas 3D Sizing: the parameters behind the verdict, then further details
ParameterShunt Diary Headache TrackerDouglas 3D Sizing
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.1 — better15.0
Further details — not scored
Size9 MB126 MB
Age rating4+17+
DeveloperJonathan NakhlaTechMed 3D

In-app purchases

None

Shunt Diary Headache Tracker

No in-app purchases

None

Douglas 3D Sizing

No in-app purchases

Questions

Is Shunt Diary Headache Tracker free?
Shunt Diary Headache Tracker is free to download, with no in-app purchases.
Is Douglas 3D Sizing free?
Douglas 3D Sizing is free to download, with no in-app purchases.
Do Shunt Diary Headache Tracker or Douglas 3D Sizing have ads?
Neither Shunt Diary Headache Tracker nor Douglas 3D Sizing shows ads.
Which is updated more often, Shunt Diary Headache Tracker or Douglas 3D Sizing?
Shunt Diary Headache Tracker ships an update weekly, and Douglas 3D Sizing every 2 months. Most recently, Shunt Diary Headache Tracker was updated on October 7, 2026 and Douglas 3D Sizing on October 10, 2026.

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