# Mass Study vs HSE Specialist Safety Prep

The clearest difference is in-app purchases: Mass Study at none against HSE Specialist Safety Prep's 3. HSE Specialist Safety Prep's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. HSE Specialist Safety Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Mass Study asks for nothing beyond the download.

## The numbers

| Metric | Mass Study | HSE Specialist Safety Prep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 110 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aakash Sinha](https://appshunter.io/developer/1741940052) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Mass Study

[App page](https://appshunter.io/ios/app/mass-study/id6502857459)

This educational app offers extensive study resources, including video lectures and notes, to help students prepare for exams. It provides expert guidance and structured content for efficient learning on the go.

**Highlights:** Comprehensive study materials, Video lectures, Expert guidance, Structured content, Exam preparation tools

**Features:** Vision Pro support

**In-app purchases:** none


### HSE Specialist Safety Prep

[App page](https://appshunter.io/ios/app/hse-specialist-safety-prep/id6782511319)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full Access | $6.99 | per 7 days |
| Monthly Full Access | $16.99 | per month |
| Lifetime Full Access | $69.99 | one-time |


## Frequently asked questions

### Is Mass Study free?

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

### Is HSE Specialist Safety Prep free?

HSE Specialist Safety Prep is free to download, with in-app purchases available.

### Do Mass Study or HSE Specialist Safety Prep have ads?

Neither Mass Study nor HSE Specialist Safety 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.*