# Simpex RGB vs Dr Jayapaul

The clearest difference is update cadence: Dr Jayapaul at weekly against Simpex RGB's every 2 months. Simpex RGB's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simpex RGB ships an update every 2 months, Dr Jayapaul weekly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Simpex RGB | Dr Jayapaul |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 20 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pankaj Verma](https://appshunter.io/developer/1781880491) | [Naralasetty Jayapaul](https://appshunter.io/developer/1791291064) |

## What reviewers say

### Simpex RGB

[App page](https://appshunter.io/ios/app/simpex-rgb/id6738694360)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dr Jayapaul

[App page](https://appshunter.io/ios/app/dr-jayapaul/id6740726960)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simpex RGB free?

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

### Is Dr Jayapaul free?

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

### Do Simpex RGB or Dr Jayapaul have ads?

Neither Simpex RGB nor Dr Jayapaul shows ads.

### Which is updated more often, Simpex RGB or Dr Jayapaul?

Simpex RGB ships an update every 2 months, and Dr Jayapaul weekly. Most recently, Simpex RGB was updated on October 14, 2026 and Dr Jayapaul on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*