Comparison

wristSkinTemperature vs Scatter ADHD

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

Head to head
About

wristSkinTemperature

This app displays wrist temperature measurements from your Apple Watch, which are typically hidden within Apple Health. It specifically shows data collected during sleep phases, requiring an Apple Watch Series 8 or Ultra.

Highlights
  • View wrist temperature measurements
  • Data from Apple Watch sleep phases
  • Requires Apple Watch Series 8 or Ultra
  • Accessible via iPhone and iPod
Features
Read full description

wristSkinTemperature clearly shows the last measurements of the wrist temperature on the Apple Watch, which can otherwise only be found hidden in Apple Health. Please note that the temperature sensor required for this is only available from the Apple Watch Series 8 and the Apple Watch Ultra. wristTemperature only shows the temperature measurements that were automatically determined during a sleep phase, no manual measurement is made.

About

Scatter ADHD

Features
Read full description

Scatter is an ADHD support companion for the real-life space between appointments. Use it to screen, learn, monitor medication effects, track mood and sleep, notice side effects, build routine habits, and prepare a clear review summary for your GP, prescriber, or telehealth clinician. WHAT SCATTER HELPS WITH - Adult ADHD self-screening with the ASRS v1.1 - Medication monitoring for medicines already prescribed to you - Daily logs for adherence, mood, sleep, benefit window, and side effects - Weekly check-ins across attention, impulse control, work or study, home life, emotions, sleep, and appetite - Routine habit checks with gentle streaks - CBT-style reset notes for difficult moments - NZ-focused medication education with source links - A shareable PDF summary to support your next review conversation BUILT FOR FOLLOW-UP Scatter is designed for the first weeks and months after someone starts ADHD treatment, and for ongoing check-ins after that. It helps you arrive at appointments with a clearer picture: what is helping, what is not, what side effects showed up, and what you want to ask next. PRIVATE BY DESIGN Your answers stay on your device. No account, no analytics, no tracking. Sharing your own PDF summary is always your choice. SCATTER PRO Starter tools remain useful. Scatter Pro unlocks deeper trends, ASRS history, multiple current medicines, and richer review preparation through an App Store subscription. Scatter is education and self-tracking only. It does not diagnose ADHD, prescribe medication, or recommend dose changes. If you feel unsafe or symptoms are severe, seek urgent help. In New Zealand, call 111 in an emergency or call/text 1737 for mental health support. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Scatter ADHD2 screens

Verdict

The call

The clearest difference is price: Scatter ADHD at Free against wristSkinTemperature's $0.99. Scatter ADHD also leads on update cadence (every 5 days vs fortnightly). wristSkinTemperature's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On ads and in-app purchases 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

Scatter ADHD is free to download; wristSkinTemperature costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

wristSkinTemperature ships an update fortnightly, Scatter ADHD every 5 days. Both last shipped on October 25, 2026.

Scorecard4 real differences · 6 level
wristSkinTemperature versus Scatter ADHD: the parameters behind the verdict, then further details
ParameterwristSkinTemperatureScatter ADHD
Price$0.99Free — better
Rating2.3 (6 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings6 — better—
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size1 MB2 MB
Age rating4+12+
DeveloperSven SzczepanskiFrancis Katoa

In-app purchases

None

wristSkinTemperature

No in-app purchases

None

Scatter ADHD

No in-app purchases

Questions

Is wristSkinTemperature free?
wristSkinTemperature costs $0.99, with no in-app purchases.
Is Scatter ADHD free?
Scatter ADHD is free to download, with no in-app purchases.
Do wristSkinTemperature or Scatter ADHD have ads?
Neither wristSkinTemperature nor Scatter ADHD shows ads.
Which is updated more often, wristSkinTemperature or Scatter ADHD?
wristSkinTemperature ships an update fortnightly, and Scatter ADHD every 5 days. Most recently, wristSkinTemperature was updated on October 25, 2026 and Scatter ADHD on October 25, 2026.

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