NORTH Research Study vs Tracer Study
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NORTH Research Study
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**NOTE: The NORTH app is provided as part of a research study hosted by the University of Washington (IRB #STUDY00009039) and can only be accessed by the study team and active study participants that have provided informed consent. The app will only collect information from individuals who access the app with a login and password provided through this channel. No personal identifiers are stored within the app, and linking data to a specific individual can only be done with a key kept by the research team.** NORTH is a self-guided wellness tool developed for young adults at risk for or currently experiencing symptoms of psychosis, such as hearing voices or having confusing or distressing thoughts. NORTH provides support in improving or maintaining mental wellness and coping with symptoms and stress. If you are interested and think you might be eligible for the research study in which NORTH is tested, please visit mhtechnology.org to learn more.
Tracer Study
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This app is based on studying the drinking behavior of volunteering participants with a goal of reducing their alcohol consumption. The study involves analyzing the alcohol triggers, consumption and actions taken under the influence of alcohol as reported by the participants by the means of reporting sections and periodic surveys in the app. This app also helps participants to monitor their blood alcohol content using a breathalyzer and encourages them to add and track their goals.
Screenshots
Verdict
The clearest difference is update cadence: Tracer Study at fortnightly against NORTH Research Study's every 2 months. NORTH Research Study's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NORTH Research Study ships an update every 2 months, Tracer Study fortnightly. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.
| Parameter | NORTH Research Study | Tracer Study |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 53 MB | 54 MB |
| Age rating | 17+ | 17+ |
| Developer | Benjamin Buck | Vista It Solutions |
In-app purchases
NORTH Research Study
No in-app purchases
Tracer Study
No in-app purchases
Questions
Is NORTH Research Study free?
Is Tracer Study free?
Do NORTH Research Study or Tracer Study have ads?
Which is updated more often, NORTH Research Study or Tracer Study?
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