Comparison

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.

Head to head
About

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.

About

Tracer Study

Features
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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

NORTH Research Study4 screens
Tracer Study4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
NORTH Research Study versus Tracer Study: the parameters behind the verdict, then further details
ParameterNORTH Research StudyTracer Study
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size53 MB54 MB
Age rating17+17+
DeveloperBenjamin BuckVista It Solutions

In-app purchases

None

NORTH Research Study

No in-app purchases

None

Tracer Study

No in-app purchases

Questions

Is NORTH Research Study free?
NORTH Research Study is free to download, with no in-app purchases.
Is Tracer Study free?
Tracer Study is free to download, with no in-app purchases.
Do NORTH Research Study or Tracer Study have ads?
Neither NORTH Research Study nor Tracer Study shows ads.
Which is updated more often, NORTH Research Study or Tracer Study?
NORTH Research Study ships an update every 2 months, and Tracer Study fortnightly. Most recently, NORTH Research Study was updated on September 20, 2026 and Tracer Study on September 18, 2026.

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