# Dr PK Classes vs JSSAHER OEP

The clearest difference is in-app purchases: JSSAHER OEP at none against Dr PK Classes's 1. JSSAHER OEP also leads on iOS requirement (11.0 vs 16.6). Dr PK Classes's advantage is update cadence (every 3 months vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Dr PK Classes sells 1 one-off in-app purchase. JSSAHER OEP asks for nothing beyond the download.

Dr PK Classes ships an update every 3 months, JSSAHER OEP every 13 months. The most recent releases landed on September 27, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Dr PK Classes | JSSAHER OEP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 13 months |
| Size | 317 MB | 31 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puspendra Kumar](https://appshunter.io/developer/1755375872) | [Excelsoft Technologies Ltd](https://appshunter.io/developer/1139193632) |

## What reviewers say

### Dr PK Classes

[App page](https://appshunter.io/ios/app/dr-pk-classes/id6508018836)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Training Course for GPAT | $14.99 | one-time |


### JSSAHER OEP

[App page](https://appshunter.io/ios/app/jssaher-oep/id6743487389)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dr PK Classes free?

Dr PK Classes is free to download, with in-app purchases available.

### Is JSSAHER OEP free?

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

### Do Dr PK Classes or JSSAHER OEP have ads?

Neither Dr PK Classes nor JSSAHER OEP shows ads.

### Which is updated more often, Dr PK Classes or JSSAHER OEP?

Dr PK Classes ships an update every 3 months, and JSSAHER OEP every 13 months. Most recently, Dr PK Classes was updated on September 27, 2026 and JSSAHER OEP on October 17, 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.*