# AP Calculus AB/BC Test Prep vs Derivative

The clearest difference is in-app purchases: Derivative at none against AP Calculus AB/BC Test Prep's 4. Derivative also leads on update cadence (monthly vs every 5 months). AP Calculus AB/BC Test Prep's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AP Calculus AB/BC Test Prep sells 4 in-app purchases, starting at $6.99 per 7 days. Derivative asks for nothing beyond the download.

AP Calculus AB/BC Test Prep ships an update every 5 months, Derivative monthly. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | AP Calculus AB/BC Test Prep | Derivative |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/ap-calculus-abbc-test-prep/id1553023908/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 82 MB | 37 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### AP Calculus AB/BC Test Prep

[App page](https://appshunter.io/ios/app/ap-calculus-abbc-test-prep/id1553023908)

Prepare for your AP Calculus AB/BC exam with 500 practice questions covering all topics. Detailed explanations are provided for each question, simulating the real exam experience. Track your progress and study effectively to achieve your best score.

**Highlights:** 500 AP-style questions and answers, Detailed review explanations, Simulates real AP exam, Updated material, Study, Timed Exam, and Bookmark modes, Progress tracking, iCloud save functionality

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $6.99 | per 7 days |
| 1 Month | $17.99 | per month |
| 1 Year | $69.99 | per year |
| AP Calculus AB/BC Exam Prep | $15.99 | one-time |


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus/id1618969952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AP Calculus AB/BC Test Prep free?

AP Calculus AB/BC Test Prep is free to download, with in-app purchases available.

### Is Derivative free?

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

### Do AP Calculus AB/BC Test Prep or Derivative have ads?

Derivative shows ads; AP Calculus AB/BC Test Prep does not.

### Which is updated more often, AP Calculus AB/BC Test Prep or Derivative?

AP Calculus AB/BC Test Prep ships an update every 5 months, and Derivative monthly. Most recently, AP Calculus AB/BC Test Prep was updated on September 23, 2026 and Derivative on September 8, 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.*