# DJCSI vs RG Lectures

The clearest difference is in-app purchases: DJCSI at none against RG Lectures's 10. On price, update cadence, ads and device support there is nothing between them.

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

DJCSI ships an update every 9 months, RG Lectures every 10 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | DJCSI | RG Lectures |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 10 months |
| Size | 50 MB | 320 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dhrumil Thakore](https://appshunter.io/developer/1617434514) | [Rahul Jewani](https://appshunter.io/developer/1647786438) |

## What reviewers say

### DJCSI

[App page](https://appshunter.io/ios/app/djcsi/id1617434512)

**Features:** macOS Compatibility

**In-app purchases:** none


### RG Lectures

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

**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 |


## Frequently asked questions

### Is DJCSI free?

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

### Is RG Lectures free?

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

### Do DJCSI or RG Lectures have ads?

Neither DJCSI nor RG Lectures shows ads.

### Which is updated more often, DJCSI or RG Lectures?

DJCSI ships an update every 9 months, and RG Lectures every 10 months. Most recently, DJCSI was updated on September 23, 2026 and RG Lectures on September 9, 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.*