# SysGeN vs Descarbonize Charger

The clearest difference is iOS requirement: Descarbonize Charger at 9.0 against SysGeN's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SysGeN ships an update every 2 weeks, Descarbonize Charger weekly. The most recent releases landed on September 14, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | SysGeN | Descarbonize Charger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 27 MB | 67 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gen Fertilizantes](https://appshunter.io/developer/1777286303) | [Descarbonize Solucoes SA](https://appshunter.io/developer/1726923016) |

## What reviewers say

### SysGeN

[App page](https://appshunter.io/ios/app/sysgen/id1627231706)

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

**In-app purchases:** none


### Descarbonize Charger

[App page](https://appshunter.io/ios/app/descarbonize-charger/id6504767335)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SysGeN free?

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

### Is Descarbonize Charger free?

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

### Do SysGeN or Descarbonize Charger have ads?

Neither SysGeN nor Descarbonize Charger shows ads.

### Which is updated more often, SysGeN or Descarbonize Charger?

SysGeN ships an update every 2 weeks, and Descarbonize Charger weekly. Most recently, SysGeN was updated on September 14, 2026 and Descarbonize Charger on September 11, 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.*