Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • 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
Read full description

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

T.A.C.T.4 screens
IVA Testing System4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
T.A.C.T. versus IVA Testing System: the parameters behind the verdict, then further details
ParameterT.A.C.T.IVA Testing System
PriceFreeFree
Rating3.7 (3 ratings) — better2.3 (3 ratings)
Positive reviews—0.0% of reviews
Number of ratings33
Update frequencyEvery 10 monthsEvery 4 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.411.0 — better
Further details — not scored
Size6 MB193 MB
Age rating12+4+
DeveloperPush Interactions, Inc.BrainTrain Inc.

Customer experience

T.A.C.T.

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

IVA Testing System

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

1 purchases

T.A.C.T.

One-time1
  • Unlock more then five patients$69.99
None

IVA Testing System

No in-app purchases

Questions

Is T.A.C.T. free?
T.A.C.T. is free to download, with in-app purchases available.
Is IVA Testing System free?
IVA Testing System is free to download, with no in-app purchases.
Which has better reviews, T.A.C.T. or IVA Testing System?
T.A.C.T. is rated higher. T.A.C.T. averages 3.7 out of 5 from 3 ratings, while IVA Testing System averages 2.3 from 3 ratings.
Do T.A.C.T. or IVA Testing System have ads?
Neither T.A.C.T. nor IVA Testing System shows ads.
Which is updated more often, T.A.C.T. or IVA Testing System?
T.A.C.T. ships an update every 10 months, and IVA Testing System every 4 months. Most recently, T.A.C.T. was updated on June 8, 2026 and IVA Testing System on June 1, 2026.

Other comparisons