Apps by Thach Nguyen Trong
The Pain Scale app icon

Medical

The Pain Scale

Thach Nguyen Trong

$3.99 4.86 · 3 storefronts · 7 ratings In-app purchases unconfirmed
Open on Apple

About this app

The Pain Scale can be useful in assessing a person’s acute, or sudden, pain. The Pain Scale can also help doctors make an accurate diagnosis, create a treatment plan, and measure the effectiveness of treatment. The Pain Scale exist for people of all ages, from newborns to seniors, as well as people with impaired communication skills. (*) The Pain Scale does not provide medical advice. It is not a substitute for professional medical advice, diagnosis or treatment.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
2 ratings
2 Aug 10, 2026 · 2 ratings Aug 10, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current $3.99
Historical low USD 3.99
Paid → free
Price history
Current $3.99
$3.99 $2.00 Free Aug 10, 2026 · $3.99 Aug 10, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 10, 2026 · 6:09 AM $3.99

Screenshots

The Pain Scale iPhone screenshotThe Pain Scale iPhone screenshotThe Pain Scale iPhone screenshotThe Pain Scale iPhone screenshotThe Pain Scale iPhone screenshot The Pain Scale iPad screenshotThe Pain Scale iPad screenshotThe Pain Scale iPad screenshotThe Pain Scale iPad screenshotThe Pain Scale iPad screenshot