# Enerlution vs FSSD

The clearest difference is update cadence: Enerlution at every 2 weeks against FSSD's every 6 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.

Enerlution ships an update every 2 weeks, FSSD every 6 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Enerlution | FSSD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Size | 177 MB | 53 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enerlution Power Technology Co., Ltd](https://appshunter.io/developer/1407774729) | [Shenzhen Invincible Four Season Technology Co., Ltd.](https://appshunter.io/developer/1686851585) |

## What reviewers say

### Enerlution

[App page](https://appshunter.io/ios/app/enerlution/id1671712101)

**Features:** macOS Compatibility

**In-app purchases:** none


### FSSD

[App page](https://appshunter.io/ios/app/fssd/id6450849738)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Enerlution free?

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

### Is FSSD free?

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

### Do Enerlution or FSSD have ads?

Neither Enerlution nor FSSD shows ads.

### Which is updated more often, Enerlution or FSSD?

Enerlution ships an update every 2 weeks, and FSSD every 6 months. Most recently, Enerlution was updated on October 25, 2026 and FSSD on November 3, 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.*