# Solarify vs Retgen

The clearest difference is update cadence: Retgen at every 11 days against Solarify's every 4 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.

Solarify ships an update every 4 months, Retgen every 11 days. The most recent releases landed on September 8, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Solarify | Retgen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Size | 54 MB | 38 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LOGGMA YAZILIM ELEKTRIK ELEKTRONIK ANONIM SIRKETI](https://appshunter.io/developer/1429732412) | [Rast Teknoloji](https://appshunter.io/developer/1610709328) |

## What reviewers say

### Solarify

[App page](https://appshunter.io/ios/app/solarify/id1448240087)

**In-app purchases:** none


### Retgen

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Solarify free?

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

### Is Retgen free?

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

### Do Solarify or Retgen have ads?

Neither Solarify nor Retgen shows ads.

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

Solarify ships an update every 4 months, and Retgen every 11 days. Most recently, Solarify was updated on September 8, 2026 and Retgen on September 1, 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.*