# Trigonometry vs AP Calculus AB Exam Study Prep

The clearest difference is review sentiment: AP Calculus AB Exam Study Prep at 50% against Trigonometry's 0%. AP Calculus AB Exam Study Prep also leads on rating (3.3 vs 1.0). Trigonometry's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 5 months). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

AP Calculus AB Exam Study Prep holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 0% of Trigonometry's written reviews are positive against 50% of AP Calculus AB Exam Study Prep's.

Trigonometry ships an update every 2 weeks, AP Calculus AB Exam Study Prep every 5 months. The most recent releases landed on September 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Trigonometry | AP Calculus AB Exam Study Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/trigonometry/id1550614008/reviews) | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ap-calculus-ab-exam-study-prep/id1645116125/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 8 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Anagnostou](https://appshunter.io/developer/1550614010) | [Golden Mind Services LTD](https://appshunter.io/developer/417614614) |

## What reviewers say

### Trigonometry

[App page](https://appshunter.io/ios/app/trigonometry/id1550614008)

Learn basic trigonometric formulas through interactive theory and fun games. Earn points to progress through levels and master the concepts.

**Highlights:** Memorize basic trigonometric formulas, Interactive theory section, Four included games, Earn points to advance levels, Beginner-friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### AP Calculus AB Exam Study Prep

[App page](https://appshunter.io/ios/app/ap-calculus-ab-exam-study-prep/id1645116125)

Prepare for the AP Calculus AB exam with this comprehensive practice guide. It offers over 500 questions, offline access, and progress tracking features to help you study effectively. Review answers and focus on areas needing improvement.

**Highlights:** Over 500 practice questions, Offline access, Answer review, Progress tracking, Targeted practice on incorrect answers, Customizable quizzes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry free?

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

### Is AP Calculus AB Exam Study Prep free?

AP Calculus AB Exam Study Prep is free to download, with no in-app purchases.

### Which has better reviews, Trigonometry or AP Calculus AB Exam Study Prep?

AP Calculus AB Exam Study Prep is rated higher. Trigonometry averages 1.0 out of 5 from 4 ratings, while AP Calculus AB Exam Study Prep averages 3.3 from 3 ratings.

### Do Trigonometry or AP Calculus AB Exam Study Prep have ads?

AP Calculus AB Exam Study Prep shows ads; Trigonometry does not.

### Which is updated more often, Trigonometry or AP Calculus AB Exam Study Prep?

Trigonometry ships an update every 2 weeks, and AP Calculus AB Exam Study Prep every 5 months. Most recently, Trigonometry was updated on September 22, 2026 and AP Calculus AB Exam Study Prep on October 6, 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.*