T.A.C.T. vs IVA Testing System
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
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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.
IVA Testing System
This medical software assists healthcare professionals in remotely administering, scoring, and interpreting specific psychological tests for attention and cognitive functioning. It serves as a decision support tool within a comprehensive evaluation, not as a standalone diagnostic instrument.
- Remote test administration
- Scoring and interpretation support
- Decision support for healthcare professionals
- Supports IVA-2, IVA-AE2, IVA-QS tests
- Aids in attention and cognitive functioning evaluation
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The IVA Testing System is a decision support software for use only by healthcare professionals who have expertise in the use and interpretation of psychological tests. This system supports the remote administration of the IVA-2, IVA-AE2, and IVA-QS on this device. These tests can only be administered, scored, and interpreted by qualified healthcare professionals as part of a comprehensive evaluation. Individuals taking the test have no direct or immediate access to any test results or data. The test is not intended to be used as a stand-alone diagnostic instrument. By itself, it does not identify the presence or absence of any clinical diagnosis. The function of this psychological test is to aid examiners in making their diagnosis as part of a comprehensive evaluation. These tests function as a means to help clinicians in their evaluation of an individual's attention and general cognitive functioning. The use of these tests requires that they be administered in accordance with the specified test guidelines under the direct supervision of qualified licensed health care professionals. All test data provided by these tests require the interpretation and validation by the clinician or researcher who administered it. Only researchers who have received approval from their Institutional Review Board (IRB) are permitted to use the application and any supported hardware in their clinical or medical research studies can only be used in accordance with the specified IRB jurisdictional use limitations.
Screenshots
Verdict
The clearest difference is rating: T.A.C.T. at 3.7 against IVA Testing System's 2.3. IVA Testing System's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 10 months). On price, ratings volume, ads 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
Both are free to download. T.A.C.T. sells 1 one-off in-app purchase. IVA Testing System asks for nothing beyond the download.
T.A.C.T. holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively.
T.A.C.T. ships an update every 10 months, IVA Testing System every 4 months. The most recent releases landed on June 8, 2026 and June 1, 2026 respectively.
| Parameter | T.A.C.T. | IVA Testing System |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 10 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 193 MB |
| Age rating | 12+ | 4+ |
| Developer | Push Interactions, Inc. | BrainTrain Inc. |
Customer experience
T.A.C.T.
IVA Testing System
In-app purchases
T.A.C.T.
- Unlock more then five patients$69.99
IVA Testing System
No in-app purchases
Questions
Is T.A.C.T. free?
Is IVA Testing System free?
Which has better reviews, T.A.C.T. or IVA Testing System?
Do T.A.C.T. or IVA Testing System have ads?
Which is updated more often, T.A.C.T. or IVA Testing System?
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