# iScore5 APUSH vs ChemOasis

The clearest difference is price: ChemOasis at Free against iScore5 APUSH's $4.99. ChemOasis also leads on update cadence (daily vs every 10 months). iScore5 APUSH's advantage is chart position (#169 vs unranked) and iOS requirement (10 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

ChemOasis is free to download; iScore5 APUSH costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iScore5 APUSH ships an update every 10 months, ChemOasis daily. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iScore5 APUSH | ChemOasis |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/iscore5-apush/id1444559716/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Daily** |
| Monetization | Paid | — |
| Best chart rank | **#169** | — |
| Size | 80 MB | 5 MB |
| Requires iOS | **10** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iScore5app, LLC](https://appshunter.io/developer/966220276) | [Manoj Manna](https://appshunter.io/developer/6809320618) |

## What reviewers say

### iScore5 APUSH

[App page](https://appshunter.io/ios/app/iscore5-apush/id1444559716)

**Currently charting:** #169 Top Paid · Education (US App Store)

Prepare for the AP US History exam with this engaging trivia-style app. It features practice vocabulary and multiple-choice questions designed by expert teachers to help students maximize their scores in a fun, game-like environment.

**Highlights:** Gamified learning with scores and leaderboards, Practice vocabulary from every unit, Unlockable levels of multiple-choice questions, Expert-designed questions by AP US History teachers, Paperless exam preparation, 21st-century learning and gaming approach

**Features:** macOS Compatibility

**In-app purchases:** none


### ChemOasis

[App page](https://appshunter.io/ios/app/chemoasis/id6809320316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iScore5 APUSH free?

iScore5 APUSH costs $4.99, with no in-app purchases.

### Is ChemOasis free?

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

### Do iScore5 APUSH or ChemOasis have ads?

Neither iScore5 APUSH nor ChemOasis shows ads.

### Which is updated more often, iScore5 APUSH or ChemOasis?

iScore5 APUSH ships an update every 10 months, and ChemOasis daily. Most recently, iScore5 APUSH was updated on October 12, 2026 and ChemOasis on October 5, 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.*