# Rollux vs WellSun

The clearest difference is update cadence: WellSun at every 4 months against Rollux's every 18 months. 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.

Rollux ships an update every 18 months, WellSun every 4 months. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rollux | WellSun |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 4 months** |
| Size | 81 MB | 92 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Persianas Rollux SpA](https://appshunter.io/developer/1484024524) | [WELLSUN (VELSAN), TOO](https://appshunter.io/developer/1751665853) |

## What reviewers say

### Rollux

[App page](https://appshunter.io/ios/app/rollux-smart-control-blind/id1484024525)

**Features:** macOS Compatibility

**In-app purchases:** none


### WellSun

[App page](https://appshunter.io/ios/app/wellsun/id6504275053)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rollux free?

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

### Is WellSun free?

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

### Do Rollux or WellSun have ads?

Neither Rollux nor WellSun shows ads.

### Which is updated more often, Rollux or WellSun?

Rollux ships an update every 18 months, and WellSun every 4 months. Most recently, Rollux was updated on October 20, 2026 and WellSun on October 18, 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.*