# Rssdi India vs Prep DNB

The clearest difference is price: Rssdi India at Free against Prep DNB's $0.99. Rssdi India also leads on iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Rssdi India is free to download; Prep DNB costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rssdi India ships an update every 11 days, Prep DNB every 3 weeks. The most recent releases landed on September 19, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Rssdi India | Prep DNB |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 44 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Research Society for the Study of Diabetes in India - RSSDI](https://appshunter.io/developer/1800179515) | [Sajil Haq](https://appshunter.io/developer/1887198954) |

## What reviewers say

### Rssdi India

[App page](https://appshunter.io/ios/app/rssdi-india/id6742848381)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prep DNB

[App page](https://appshunter.io/ios/app/prep-dnb/id6761892187)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rssdi India free?

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

### Is Prep DNB free?

Prep DNB costs $0.99, with no in-app purchases.

### Do Rssdi India or Prep DNB have ads?

Neither Rssdi India nor Prep DNB shows ads.

### Which is updated more often, Rssdi India or Prep DNB?

Rssdi India ships an update every 11 days, and Prep DNB every 3 weeks. Most recently, Rssdi India was updated on September 19, 2026 and Prep DNB on September 27, 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.*