# T.A.C.T. vs OCD Test

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.

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.

## The numbers

| Metric | T.A.C.T. | OCD Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/tact/id849194153/reviews) | **[4.7 (331 ratings)](https://appshunter.io/ios/app/ocd-test/id1410459179/reviews)** |
| Number of ratings | 3 | **331** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 MB | 1 MB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Push Interactions, Inc.](https://appshunter.io/developer/357410200) | [Inquiry Health LLC](https://appshunter.io/developer/1003891578) |

## What reviewers say

### T.A.C.T.

[App page](https://appshunter.io/ios/app/tact/id849194153)

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:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock more then five patients | $69.99 | one-time |


### OCD Test

[App page](https://appshunter.io/ios/app/ocd-test/id1410459179)

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.

**Highlights:** 18-question OCD symptom test, Track test scores over time, Information and resources on OCD, Set reminders for testing, Uses the OCI-R questionnaire

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generate Doctor's Letter | $9.99 | one-time |

**What reviewers like**

- 👍 Helpful for self-diagnosis
- 👍 Straightforward and brief questionnaire
- 👍 Matches personal symptoms
- 👍 Aids in understanding struggles
- 👍 Good for initial assessment

**What reviewers complain about**

- 😞 Stereotyped and inaccurate
- 😞 Ignores specific OCD types (Pure O)
- 😞 Limited scope of questions
- 😞 Misinformation about OCD
- 😞 Excludes mental compulsions

**Requested features**

- Incorporate more OCD subtypes
- Include questions on intrusive thoughts
- Acknowledge mental compulsions
- Provide a measure of OCD severity


## Frequently asked questions

### Is T.A.C.T. free?

T.A.C.T. is free to download, with in-app purchases available.

### Is OCD Test free?

OCD Test is free to download, with in-app purchases available.

### Which has better reviews, T.A.C.T. or OCD Test?

OCD Test is rated higher. T.A.C.T. averages 3.7 out of 5 from 3 ratings, while OCD Test averages 4.7 from 331 ratings.

### Do T.A.C.T. or OCD Test have ads?

Neither T.A.C.T. nor OCD Test shows ads.

### Which is updated more often, T.A.C.T. or OCD Test?

T.A.C.T. ships an update every 10 months, and OCD Test every 7 months. Most recently, T.A.C.T. was updated on June 8, 2026 and OCD Test on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*