# Trigonometry(Math Drills) vs I Aced Calculus AP Prep

The clearest difference is in-app purchases: Trigonometry(Math Drills) at none against I Aced Calculus AP Prep's 3. Trigonometry(Math Drills) also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. I Aced Calculus AP Prep sells 3 in-app purchases, starting at $7.99 per month. Trigonometry(Math Drills) asks for nothing beyond the download.

Trigonometry(Math Drills) ships an update monthly, I Aced Calculus AP Prep every 2 weeks. The most recent releases landed on August 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Trigonometry(Math Drills) | I Aced Calculus AP Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (30 ratings)](https://appshunter.io/ios/app/i-aced-calculus-ap-prep/id1666694535/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 64 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [郷 田村](https://appshunter.io/developer/1574588679) | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) |

## What reviewers say

### Trigonometry(Math Drills)

[App page](https://appshunter.io/ios/app/trigonometrymath-drills/id1623896351)

Master trigonometry concepts offline with this educational app. It covers essential topics like the Pythagorean theorem, right triangles, special angles, and shape measurements. Challenge yourself to improve your rank and test your knowledge.

**Highlights:** Offline learning, Pythagorean theorem, Right triangle trigonometry, Coordinate trigonometry, Special angles, Shape measurements, Challenge Mode for ranking

**Features:** macOS Compatibility

**In-app purchases:** none


### I Aced Calculus AP Prep

[App page](https://appshunter.io/ios/app/i-aced-calculus-ap-prep/id1666694535)

Master single-variable calculus with this comprehensive study companion. It offers flashcards, practice questions, video explanations, and AI assistance to prepare for AP exams or college courses. Study modes and difficulty levels cater to all learners.

**Highlights:** 400+ Smart Flashcards, 1200+ Practice Questions, Video Explanations, AI Assistance, Spaced Repetition Study Mode, Calculator Tips

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $7.99 | per month |
| Premium - 3 Months | $19.99 | per 3 months |
| Premium - Annual | $35.99 | per year |


## Frequently asked questions

### Is Trigonometry(Math Drills) free?

Trigonometry(Math Drills) is free to download, with no in-app purchases.

### Is I Aced Calculus AP Prep free?

I Aced Calculus AP Prep is free to download, with in-app purchases available.

### Do Trigonometry(Math Drills) or I Aced Calculus AP Prep have ads?

Neither Trigonometry(Math Drills) nor I Aced Calculus AP Prep shows ads.

### Which is updated more often, Trigonometry(Math Drills) or I Aced Calculus AP Prep?

Trigonometry(Math Drills) ships an update monthly, and I Aced Calculus AP Prep every 2 weeks. Most recently, Trigonometry(Math Drills) was updated on August 4, 2026 and I Aced Calculus AP Prep on September 24, 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.*