Comparison

CogState vs F

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

Head to head
About

CogState

This academically oriented software offers researchers a powerful and sensitive method for testing cognition. It utilizes culture-neutral stimuli to detect cognitive changes in subjects over time, with validity demonstrated in numerous peer-reviewed articles.

Highlights
  • Academically oriented cognitive testing
  • Sensitive detection of cognitive change
  • Culture-neutral stimuli
  • Validated in peer-reviewed articles
  • Baseline and periodic retesting
Features
Read full description

NOTE: THIS SOFTWARE REQUIRES A LICENCE KEY FROM COGSTATE CogState Research is an academically oriented version of the CogState ClinicalTrials software. With the same proven rapidity, sensitivity and validity, this software provides academic researchers with a powerful method of testing cognition at a competitive price. It has been used by institutions such as Yale University, the University of Melbourne and the Australian Government's National Health & Medical Research Council. CogState tests use simple but effective technology to detect cognitive change in subjects. The tests begin by taking a baseline measurement from a subject who is then periodically retested in order to detect cognitive change. CogState testing utilizes culture-neutral stimuli, which ensures that a wide range of subjects can be tested regardless of their ethnicity, socio-economic background or education. CogState tests are extremely sensitive and their validity has been demonstrated in over 100 peer-reviewed articles.

About

F

This tool offers a standardized cognitive screening through 14 functional tasks. It integrates real-life distractions to assess cognitive abilities and performance breakdowns in various domains. Clinicians can observe clients performing tasks from simple to complex.

Highlights
  • 14 functional tasks
  • Real-life distractions integration
  • Cognitive domain assessment
  • Functional performance reporting
  • Clinician observation tool
  • Money management tasks
  • Medication management tasks
Features
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The Functional Standardized Touchscreen Assessment of Cognition (FSTAC) is the first of it's kind in cognitive screening tools. FSTAC provides 14 functional tasks for a person to complete and then provides a report on functional & cognitive performance. One of the features that makes FSTAC so valuable is the integration of real life distractions, such as text messages, phone messages and noise. These distractions in the setting of a cognitively complex task provide the perfect setting to assess a person's cognitive abilities and breakdowns. Clinicians can now observe their clients performing functional tasks that range from simple to complex utilizing current technology. Cognitive domains include: General Knowledge Functional math Auditory & Visual attention Auditory & Visual Short term memory Working memory Language/Reading Language Auditory Comprehension Visual/Spatial Executive Function (Flexibility, Org, Prob solving) Insight/Awareness of performance Functional tasks include: Money ID/Valuation Medication management Safety Cash management: paying and making change Grocery shopping - Organization, planning Story listen and recall Bill pay over phone Appointment rescheduling Handling normal distractions Recalling tasks to do in a day Video demonstration can be found at https://youtu.be/ilVHjECm9o4

Verdict

The call

The clearest difference is price: CogState at Free against F's $149.99. CogState also leads on rating (5.0 vs 4.4) and iOS requirement (9.0 vs 15.6). F's advantage is ratings volume (8 vs 1). On update cadence, 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

CogState is free to download; F costs $149.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CogState holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: F has 8 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

CogState ships an update every 2 months, F every 4 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
CogState versus F: the parameters behind the verdict, then further details
ParameterCogStateF
PriceFree — better$149.99
Rating5.0 (1 ratings) — better4.4 (8 ratings)
Positive reviews—85.7% of reviews
Number of ratings18 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPadiPad
Requires iOS9.0 — better15.6
Further details — not scored
Size225 MB54 MB
Age rating17+4+
DeveloperCogState IncCognitive Innovations LLC

Customer experience

CogState

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

F

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

None

CogState

No in-app purchases

None

F

No in-app purchases

Questions

Is CogState free?
CogState is free to download, with no in-app purchases.
Is F free?
F costs $149.99, with no in-app purchases.
Which has better reviews, CogState or F?
CogState is rated higher. CogState averages 5.0 out of 5 from 1 ratings, while F averages 4.4 from 8 ratings.
Do CogState or F have ads?
Neither CogState nor F shows ads.
Which is updated more often, CogState or F?
CogState ships an update every 2 months, and F every 4 months. Most recently, CogState was updated on October 14, 2026 and F on October 13, 2026.

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