# Calculus vs AP Calculus AB/BC Test Prep

The clearest difference is rating: Calculus at 5.0 against AP Calculus AB/BC Test Prep's 3.5. Calculus also leads on monetization model (free vs free with in-app purchases) and iOS requirement (8.0 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Calculus sells 1 one-off in-app purchase and AP Calculus AB/BC Test Prep sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Calculus holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Calculus ships an update every 4 months, AP Calculus AB/BC Test Prep every 5 months. The most recent releases landed on October 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Calculus | AP Calculus AB/BC Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calculus-formulas/id1236663426/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/ap-calculus-abbc-test-prep/id1553023908/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 82 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppCrab](https://appshunter.io/developer/1227198215) | [Expanded Apps](https://appshunter.io/developer/313709778) |

## What reviewers say

### Calculus

[App page](https://appshunter.io/ios/app/calculus-formulas/id1236663426)

This app provides a comprehensive resource for learning calculus, featuring a textbook, video lessons, and essential formulas with explanations. It aims to help users prepare for exams by offering clear and accessible educational content.

**Highlights:** Basic formulas and theorems, 93 video lessons, Comprehensive textbook, Easy-to-read explanations, Topic-based organization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculus Premium | $0.99 | one-time |


### 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 |


## Frequently asked questions

### Is Calculus free?

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

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

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

### Which has better reviews, Calculus or AP Calculus AB/BC Test Prep?

Calculus is rated higher. Calculus averages 5.0 out of 5 from 3 ratings, while AP Calculus AB/BC Test Prep averages 3.5 from 4 ratings.

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

Neither Calculus nor AP Calculus AB/BC Test Prep shows ads.

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

Calculus ships an update every 4 months, and AP Calculus AB/BC Test Prep every 5 months. Most recently, Calculus was updated on October 9, 2026 and AP Calculus AB/BC Test Prep on September 23, 2026.

---

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