# OCD Test App vs Big Brain Homework Helper

OCD Test App and Big Brain Homework Helper are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. OCD Test App sells 3 in-app purchases, starting at $4.99 per 7 days and Big Brain Homework Helper sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

OCD Test App ships an update every 4 weeks, Big Brain Homework Helper every 3 weeks. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OCD Test App | Big Brain Homework Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/big-brain-homework-helper/id6760634823/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Test Apps Limited](https://appshunter.io/developer/1448821868) | [Shannon Carter](https://appshunter.io/developer/1885436299) |

## What reviewers say

### OCD Test App

[App page](https://appshunter.io/ios/app/ocd-test-app/id6758306207)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| OCD Annual | $29.99 | per year |
| OCD Test Single | $3.99 | one-time |


### Big Brain Homework Helper

[App page](https://appshunter.io/ios/app/big-brain-homework-helper/id6760634823)

This app offers a comprehensive suite of AI-powered study tools, including lecture transcription, homework assistance, and quiz generation. It helps students organize their learning, track progress, and access educational content in various formats.

**Highlights:** AI homework helper, Lecture recording & transcription, AI-powered quizzes, Notes to podcast conversion, Document summarization, Flashcard creation, Study planner & focus timer

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Brain Premium Study Tools | $4.99 | per month |
| Big Brain Premium Study Tools | $29.99 | per year |
| IQ Test | $0.99 | one-time |
| IQ Test Unlimited | $2.99 | one-time |


## Frequently asked questions

### Is OCD Test App free?

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

### Is Big Brain Homework Helper free?

Big Brain Homework Helper is free to download, with in-app purchases available.

### Do OCD Test App or Big Brain Homework Helper have ads?

Both OCD Test App and Big Brain Homework Helper show ads.

### Which is updated more often, OCD Test App or Big Brain Homework Helper?

OCD Test App ships an update every 4 weeks, and Big Brain Homework Helper every 3 weeks. Most recently, OCD Test App was updated on October 5, 2026 and Big Brain Homework Helper on October 13, 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.*