# Pre PG vs ECG Master

The clearest difference is in-app purchases: Pre PG at none against ECG Master's 1. Pre PG also leads on update cadence (every 3 days vs every 10 days). ECG Master's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ECG Master sells 1 one-off in-app purchase. Pre PG asks for nothing beyond the download.

Pre PG ships an update every 3 days, ECG Master every 10 days. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pre PG | ECG Master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Free | — |
| Size | 55 MB | 9 MB |
| Requires iOS | **15.1** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Nitin Sewani](https://appshunter.io/developer/1876911398) | [ATIF ELNIL](https://appshunter.io/developer/1886307011) |

## What reviewers say

### Pre PG

[App page](https://appshunter.io/ios/app/pre-pg-dr-sewanis/id6761655003)

This app helps medical aspirants prepare for entrance exams by simulating real exam conditions with randomized multiple-choice questions. Focus on mastering repeat questions to build a strong foundation for success.

**Highlights:** Simulates real exam conditions, Completely randomized questions, Focus on repeat MCQs, Built by an AIR 47 rank holder, Practice MCQs strategically

**Features:** macOS Compatibility

**In-app purchases:** none


### ECG Master

[App page](https://appshunter.io/ios/app/ecg-master/id6775606260)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ECG Master — Full Access | $9.99 | one-time |


## Frequently asked questions

### Is Pre PG free?

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

### Is ECG Master free?

ECG Master is free to download, with in-app purchases available.

### Do Pre PG or ECG Master have ads?

Pre PG shows ads; ECG Master does not.

### Which is updated more often, Pre PG or ECG Master?

Pre PG ships an update every 3 days, and ECG Master every 10 days. Most recently, Pre PG was updated on October 15, 2026 and ECG Master on October 25, 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.*