# Bipolar Disorder Test vs Canvas Dx

The clearest difference is ratings volume: Bipolar Disorder Test at 262 against Canvas Dx's 8. Bipolar Disorder Test also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.1). Canvas Dx's advantage is update cadence (every 3 months vs every 8 months). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bipolar Disorder Test holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Bipolar Disorder Test has 262 ratings behind it against 8, so its average is the more settled of the two.

Bipolar Disorder Test ships an update every 8 months, Canvas Dx every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Bipolar Disorder Test | Canvas Dx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (262 ratings)](https://appshunter.io/ios/app/bipolar-disorder-test/id1410459416/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/canvas-dx/id1579464897/reviews) |
| Number of ratings | **262** | 8 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 1 MB | 35 MB |
| Requires iOS | **14.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Inquiry Health LLC](https://appshunter.io/developer/1003891578) | [Cognoa, Inc.](https://appshunter.io/developer/965275480) |

## What reviewers say

### Bipolar Disorder Test

[App page](https://appshunter.io/ios/app/bipolar-disorder-test/id1410459416)

This app offers a self-report questionnaire to screen for symptoms of bipolar disorder. It provides information to help users understand the condition and offers resources based on test results. It is a screening tool, not a diagnostic one.

**Highlights:** MDQ questionnaire for symptom screening, Understand test results, Information on bipolar spectrum disorder, Access to tailored resources, Scientifically-supported 15-question test

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

**In-app purchases:** none


### Canvas Dx

[App page](https://appshunter.io/ios/app/canvas-dx/id1579464897)

This medical device aids physicians in diagnosing autism spectrum disorder in young children. It uses AI to analyze parent questionnaires, video reviews, and physician assessments to support clinical judgment.

**Highlights:** AI-driven diagnostic support, Parent/caregiver questionnaire, Video analysis integration, Physician assessment tool, FDA-authorized SaMD

**In-app purchases:** none


## Frequently asked questions

### Is Bipolar Disorder Test free?

Bipolar Disorder Test is free to download, with no in-app purchases.

### Is Canvas Dx free?

Canvas Dx is free to download, with no in-app purchases.

### Which has better reviews, Bipolar Disorder Test or Canvas Dx?

Bipolar Disorder Test is rated higher. Bipolar Disorder Test averages 4.7 out of 5 from 262 ratings, while Canvas Dx averages 4.5 from 8 ratings.

### Do Bipolar Disorder Test or Canvas Dx have ads?

Neither Bipolar Disorder Test nor Canvas Dx shows ads.

### Which is updated more often, Bipolar Disorder Test or Canvas Dx?

Bipolar Disorder Test ships an update every 8 months, and Canvas Dx every 3 months. Most recently, Bipolar Disorder Test was updated on November 2, 2026 and Canvas Dx on November 3, 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.*