# I Aced Calculus AP Prep vs Engineering Entrance Prep

The clearest difference is in-app purchases: Engineering Entrance Prep at none against I Aced Calculus AP Prep's 3. Engineering Entrance Prep also leads on iOS requirement (13.0 vs 15.0). I Aced Calculus AP Prep's advantage is ads (none vs shown). On price 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. Engineering Entrance Prep asks for nothing beyond the download.

## The numbers

| Metric | I Aced Calculus AP Prep | Engineering Entrance 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 | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 64 MB | 52 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) | [AARATI MAHATO](https://appshunter.io/developer/1889457229) |

## What reviewers say

### 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 |


### Engineering Entrance Prep

[App page](https://appshunter.io/ios/app/engineering-entrance-prep/id6781546010)

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

**In-app purchases:** none


## Frequently asked questions

### Is I Aced Calculus AP Prep free?

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

### Is Engineering Entrance Prep free?

Engineering Entrance Prep is free to download, with no in-app purchases.

### Do I Aced Calculus AP Prep or Engineering Entrance Prep have ads?

Engineering Entrance Prep shows ads; I Aced Calculus AP Prep does not.

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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.*