# Pre vs I Aced Calculus AP Prep

The clearest difference is rating: I Aced Calculus AP Prep at 4.6 against Pre's 3.3. I Aced Calculus AP Prep also leads on ratings volume (30 vs 3). Pre's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Pre sells 1 one-off in-app purchase and I Aced Calculus AP Prep sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

I Aced Calculus AP Prep holds the better App Store score, 4.6 against 3.3. That said, the two scores are not equally well evidenced: I Aced Calculus AP Prep has 30 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Pre | I Aced Calculus AP Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/pre-calculus-formulas/id1227198216/reviews) | **[4.6 (30 ratings)](https://appshunter.io/ios/app/i-aced-calculus-ap-prep/id1666694535/reviews)** |
| Number of ratings | 3 | **30** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 64 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AppCrab](https://appshunter.io/developer/1227198215) | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) |

## What reviewers say

### Pre

[App page](https://appshunter.io/ios/app/pre-calculus-formulas/id1227198216)

Master pre-calculus with this comprehensive app. Access a full list of formulas with clear explanations, a detailed textbook covering all topics, and 148 video lessons. Learn independently without needing textbooks or internet access.

**Highlights:** Full list of pre-calculus formulas, Clear comments on each formula, Formula search functionality, Complete pre-calculus textbook, Offline mode for textbook, 148 ordered video lessons

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pre-calculus Premium | $0.99 | one-time |


### 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 Pre free?

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

### Is I Aced Calculus AP Prep free?

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

### Which has better reviews, Pre or I Aced Calculus AP Prep?

I Aced Calculus AP Prep is rated higher. Pre averages 3.3 out of 5 from 3 ratings, while I Aced Calculus AP Prep averages 4.6 from 30 ratings.

### Do Pre or I Aced Calculus AP Prep have ads?

Neither Pre nor I Aced Calculus AP Prep shows ads.

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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.*