# Quizzes Usac vs MindKoi

The clearest difference is in-app purchases: Quizzes Usac at none against MindKoi's 2. Quizzes Usac also leads on iOS requirement (9.0 vs 16.0). MindKoi's advantage is update cadence (every 10 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. MindKoi sells 2 in-app purchases, starting at $9.99 per month. Quizzes Usac asks for nothing beyond the download.

Quizzes Usac ships an update every 6 months, MindKoi every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Quizzes Usac | MindKoi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quizzes-usac/id1475979144/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 22 MB | 18 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Franklin Velasquez Fuentes](https://appshunter.io/developer/1475979143) | [Pavel Kazlou](https://appshunter.io/developer/1462519810) |

## What reviewers say

### Quizzes Usac

[App page](https://appshunter.io/ios/app/quizzes-usac/id1475979144)

Test your knowledge for USAC admission exams with short quizzes covering Physics, Chemistry, Mathematics, and Biology. Prepare effectively for your entrance tests with this educational tool.

**Highlights:** USAC admission exam practice, Short quizzes, Physics topics, Chemistry topics, Mathematics topics, Biology topics

**Features:** macOS Compatibility

**In-app purchases:** none


### MindKoi

[App page](https://appshunter.io/ios/app/mindkoi-study-smarter-and-learn/id6751173393)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plus | $9.99 | per month |
| Annual Plus | $44.99 | per year |


## Frequently asked questions

### Is Quizzes Usac free?

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

### Is MindKoi free?

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

### Do Quizzes Usac or MindKoi have ads?

Neither Quizzes Usac nor MindKoi shows ads.

### Which is updated more often, Quizzes Usac or MindKoi?

Quizzes Usac ships an update every 6 months, and MindKoi every 10 days. Most recently, Quizzes Usac was updated on November 3, 2026 and MindKoi on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*