T.A.C.T. vs OCD Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
T.A.C.T.
This app is a continuous performance test designed to measure errors of commission, omission, and scoring variability over 15 minutes. It can help demonstrate clinical response to stimulant medication and is part of ADHD assessment and treatment.
- Measures errors of commission and omission
- Assesses scoring variability
- Provides a total score
- Offers minute-by-minute scoring
- Demonstrates clinical response to medication
- Used for research purposes
Read full descriptionHide full description
1.The TACT is a continuous performance test designed to measure errors of commission, errors of omission and variability of scoring over a 15 minute time span. 2.A total score is given with the number of accurate responses (omissions) and mistakes (commissions) as well as a score minute by minute. 3. It can be used to demonstrate clinical response to stimulant medication for patients and families. 4. It is not a diagnostic test for ADHD. It demonstrates clinical improvement 90 minutes from baseline after medication has been taken. 5. It should be administered by a physician or a specifically trained healthcare professional such as a nurse or psychologist in association with a physician. 6. It can be considered part of the assessment and treatment of ADHD and the response to medication. 7. It does not replace a comprehensive clinical assessment and evaluation. 8. It can be used for research purposes.
OCD Test
This app helps evaluate symptoms of Obsessive-Compulsive Disorder (OCD) using a scientifically-supported 18-question test. It allows users to track their scores over time, access information about OCD, and set reminders for re-testing.
- 18-question OCD symptom test
- Track test scores over time
- Information and resources on OCD
- Set reminders for testing
- Uses the OCI-R questionnaire
Read full descriptionHide full description
Obsessive-Compulsive Disorder (OCD) may present with obsessions, compulsions, or both. Obsessions and compulsions are often distressing, time-consuming, and impairing. Everyone has worried about germs or losing something or someone getting hurt. These thoughts tend to be fleeting and do not disrupt daily living. If these thoughts are constantly occurring, uncontrollable, intrusive, and cause a lot of anxiety or stress, then they may be considered 'obsessions.' Everyone has felt the need to double check that the door is locked or arrange items in a correct way. If you perform these actions like a ritual or with rigid rules in order to prevent or reduce anxious thoughts, or if these actions greatly disrupt your life, then they may be considered 'compulsions.' This app is designed to evaluate your symptoms of OCD with a scientifically-supported 18-question test. It uses the Obsessive-Compulsive Inventory - Revised (OCI-R), a screening questionnaire for OCD that is commonly used in research and healthcare settings. The OCI-R is also helpful for monitoring your OCD-related symptoms during and after treatment. OCD Test contains four tools: - Start Test: take the OCI-R questionnaire to assess OCD symptoms - History: see a history of your test scores to monitor your symptoms over time - Information: learn about OCD and discover additional resources that can help you on your path to recovery - Reminder: set up notifications to re-take the questionnaire at your convenience Disclaimer: The OCI-R is NOT a diagnostic test. A diagnosis can only be provided by a qualified healthcare professional. Please consult a physician or mental health professional if you are concerned about OCD. References: Foa, E. B., Huppert, J. D., Leiberg, S., Langner, R., Kichic, R., Hajcak, G., & Salkovskis, P. M. (2002). The Obsessive-Compulsive Inventory: development and validation of a short version. Psychological assessment, 14(4), 485. American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.). Washington, DC: Author.
Screenshots
Verdict
The clearest difference is rating: OCD Test at 4.7 against T.A.C.T.'s 3.7. OCD Test also leads on ratings volume (331 vs 3). T.A.C.T.'s advantage is iOS requirement (12.4 vs 14.0). On price, update cadence, 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
Both are free to download. T.A.C.T. sells 1 one-off in-app purchase and OCD Test sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
OCD Test holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: OCD Test has 331 ratings behind it against 3, so its average is the more settled of the two.
T.A.C.T. ships an update every 10 months, OCD Test every 7 months. The most recent releases landed on June 8, 2026 and September 29, 2026 respectively.
| Parameter | T.A.C.T. | OCD Test |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.7 (331 ratings) — better |
| Positive reviews | — | 66.7% of reviews |
| Number of ratings | 3 | 331 — better |
| Update frequency | Every 10 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 14.0 |
| Further details — not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 12+ | 12+ |
| Developer | Push Interactions, Inc. | Inquiry Health LLC |
Customer experience
T.A.C.T.
OCD Test
Bugs and requests
T.A.C.T.
Not enough reviews yet to summarise bugs or requests.
OCD Test
Requested features
4 requests- Incorporate more OCD subtypes
- Include questions on intrusive thoughts
- Acknowledge mental compulsions
- Provide a measure of OCD severity
In-app purchases
T.A.C.T.
- Unlock more then five patients$69.99
OCD Test
- Generate Doctor's Letter$9.99







