# Retgen vs Solarbita

The clearest difference is update cadence: Retgen at every 11 days against Solarbita's monthly. 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.

Retgen ships an update every 11 days, Solarbita monthly. The most recent releases landed on September 1, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | Retgen | Solarbita |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Monthly |
| Size | 38 MB | 148 MB |
| Requires iOS | 15 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rast Teknoloji](https://appshunter.io/developer/1610709328) | [RAQUUN IOT YAZILIM SANAYI VE TICARET ANONIM SIRKETI](https://appshunter.io/developer/1631842881) |

## What reviewers say

### Retgen

[App page](https://appshunter.io/ios/app/retgen/id1610709326)

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

**In-app purchases:** none


### Solarbita

[App page](https://appshunter.io/ios/app/solarbita/id1631842879)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Retgen free?

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

### Is Solarbita free?

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

### Do Retgen or Solarbita have ads?

Neither Retgen nor Solarbita shows ads.

### Which is updated more often, Retgen or Solarbita?

Retgen ships an update every 11 days, and Solarbita monthly. Most recently, Retgen was updated on September 1, 2026 and Solarbita on May 18, 2026.

---

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