# EPHS Trig vs I Aced Calculus AP Prep

The clearest difference is in-app purchases: EPHS Trig at none against I Aced Calculus AP Prep's 3. On price, ads, device support and iOS requirement 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. EPHS Trig asks for nothing beyond the download.

## The numbers

| Metric | EPHS Trig | 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 | — | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 0 MB | 64 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eden Prairie High School](https://appshunter.io/developer/1437551414) | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) |

## What reviewers say

### EPHS Trig

[App page](https://appshunter.io/ios/app/ephs-trig/id1628341689)

**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 EPHS Trig free?

EPHS Trig 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 EPHS Trig or I Aced Calculus AP Prep have ads?

Neither EPHS Trig 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.*