# AP Physics C, 2e vs I Aced Calculus AP Prep

The clearest difference is update cadence: I Aced Calculus AP Prep at every 2 weeks against AP Physics C, 2e's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AP Physics C, 2e sells 5 in-app purchases, starting at $5.99 per 7 days 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.

AP Physics C, 2e ships an update every 7 months, I Aced Calculus AP Prep every 2 weeks. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AP Physics C, 2e | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 64 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) |

## What reviewers say

### AP Physics C, 2e

[App page](https://appshunter.io/ios/app/ap-physics-c-2e-test-prep/id1578353209)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $5.99 | per 7 days |
| 1 Week | $6.99 | per 7 days |
| 1 Month | $17.99 | per month |
| 1 Year | $69.99 | per year |
| AP Physics C, 2e - Test Prep | $15.99 | 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 AP Physics C, 2e free?

AP Physics C, 2e 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.

### Do AP Physics C, 2e or I Aced Calculus AP Prep have ads?

Neither AP Physics C, 2e nor I Aced Calculus AP Prep shows ads.

### Which is updated more often, AP Physics C, 2e or I Aced Calculus AP Prep?

AP Physics C, 2e ships an update every 7 months, and I Aced Calculus AP Prep every 2 weeks. Most recently, AP Physics C, 2e was updated on September 17, 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.*