# AP Environmental Science vs APES Prep

The clearest difference is in-app purchases: APES Prep at none against AP Environmental Science's 7. APES Prep also leads on update cadence (every 3 months vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AP Environmental Science sells 7 in-app purchases, starting at $5.99 per 7 days. APES Prep asks for nothing beyond the download.

AP Environmental Science ships an update every 6 months, APES Prep every 3 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AP Environmental Science | APES Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/ap-environmental-science/id1514861166/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Freemium | — |
| Size | 29 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Expanded Apps](https://appshunter.io/developer/313709778) | [Small Animal Surgeries Inc](https://appshunter.io/developer/1870736337) |

## What reviewers say

### AP Environmental Science

[App page](https://appshunter.io/ios/app/ap-environmental-science/id1514861166)

Prepare for your AP Environmental Science exam with 500 practice questions covering all topics. Utilize study, timed exam, and bookmark modes to track progress and review effectively. Access all content with a subscription.

**Highlights:** 500 AP-style practice questions, Concise answer explanations, Study, Timed Exam, and Bookmark modes, Progress tracking, iCloud save functionality, Interactive features

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $5.99 | per 7 days |
| 1 Week | $6.99 | per 7 days |
| 1 Month | $17.99 | per month |
| 3 Month Subscription Plan | $39.99 | per 3 months |
| 1 Year | $69.99 | per year |
| Annual Subscription Plan | $99.99 | per year |
| AP Environmental Science | $15.99 | one-time |


### APES Prep

[App page](https://appshunter.io/ios/app/apes-prep/id6761887254)

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

**In-app purchases:** none


## Frequently asked questions

### Is AP Environmental Science free?

AP Environmental Science is free to download, with in-app purchases available.

### Is APES Prep free?

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

### Do AP Environmental Science or APES Prep have ads?

Neither AP Environmental Science nor APES Prep shows ads.

### Which is updated more often, AP Environmental Science or APES Prep?

AP Environmental Science ships an update every 6 months, and APES Prep every 3 months. Most recently, AP Environmental Science was updated on October 15, 2026 and APES Prep on October 7, 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.*