# Endocrine System Quizzes vs Proctor360

The clearest difference is price: Proctor360 at Free against Endocrine System Quizzes's $2.99. Proctor360 also leads on update cadence (weekly vs every 43 months). Endocrine System Quizzes's advantage is iOS requirement (11.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

Proctor360 is free to download; Endocrine System Quizzes costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Endocrine System Quizzes ships an update every 43 months, Proctor360 weekly. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Endocrine System Quizzes | Proctor360 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Weekly** |
| Size | 13 MB | 63 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coskun CAKIR](https://appshunter.io/developer/482066275) | [Proctor360 Inc](https://appshunter.io/developer/1649474898) |

## What reviewers say

### Endocrine System Quizzes

[App page](https://appshunter.io/ios/app/endocrine-system-quizzes/id1442905907)

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

**In-app purchases:** none


### Proctor360

[App page](https://appshunter.io/ios/app/proctor360/id6761197295)

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

**In-app purchases:** none


## Frequently asked questions

### Is Endocrine System Quizzes free?

Endocrine System Quizzes costs $2.99, with no in-app purchases.

### Is Proctor360 free?

Proctor360 is free to download, with no in-app purchases.

### Do Endocrine System Quizzes or Proctor360 have ads?

Neither Endocrine System Quizzes nor Proctor360 shows ads.

### Which is updated more often, Endocrine System Quizzes or Proctor360?

Endocrine System Quizzes ships an update every 43 months, and Proctor360 weekly. Most recently, Endocrine System Quizzes was updated on October 15, 2026 and Proctor360 on October 6, 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.*