# RG Lectures vs Purple Hat

The clearest difference is in-app purchases: Purple Hat at none against RG Lectures's 10. Purple Hat also leads on update cadence (every 3 months vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RG Lectures sells 10 one-off in-app purchases. Purple Hat asks for nothing beyond the download.

RG Lectures ships an update every 10 months, Purple Hat every 3 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | RG Lectures | Purple Hat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Size | 320 MB | 110 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rahul Jewani](https://appshunter.io/developer/1647786438) | [Aakash Sinha](https://appshunter.io/developer/1741940052) |

## What reviewers say

### RG Lectures

[App page](https://appshunter.io/ios/app/rg-lectures/id6443622287)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engineering Physics (SPPU) | $12.99 | one-time |
| Engineering Physics (MU) | $12.99 | one-time |
| MHTCET 2025 Live Batch | $14.99 | one-time |
| MHTCET 2025 COMBO BATCH | $19.99 | one-time |
| Engineering Mechanics (SPPU) | $19.99 | one-time |
| Engineering Mechanics (MU) | $19.99 | one-time |
| Engineering Mechanics For All! | $19.99 | one-time |
| Engineering Graphics/Drawing | $19.99 | one-time |
| Engineering COMBO (Pune) | $29.99 | one-time |
| Engineering COMBO (Mumbai) | $29.99 | one-time |


### Purple Hat

[App page](https://appshunter.io/ios/app/purple-hat/id6670333636)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RG Lectures free?

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

### Is Purple Hat free?

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

### Do RG Lectures or Purple Hat have ads?

Neither RG Lectures nor Purple Hat shows ads.

### Which is updated more often, RG Lectures or Purple Hat?

RG Lectures ships an update every 10 months, and Purple Hat every 3 months. Most recently, RG Lectures was updated on October 7, 2026 and Purple Hat on October 11, 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.*