# Fusion App vs PEnergy LITHIUM

The clearest difference is iOS requirement: PEnergy LITHIUM at 12.0 against Fusion App's 15.6. 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fusion App | PEnergy LITHIUM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 45 MB | 120 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DMG S.p.A](https://appshunter.io/developer/1483792133) | [恒杰 肖](https://appshunter.io/developer/1822668080) |

## What reviewers say

### Fusion App

[App page](https://appshunter.io/ios/app/fusion-app/id1483792134)

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

**In-app purchases:** none


### PEnergy LITHIUM

[App page](https://appshunter.io/ios/app/penergy-lithium/id6755216141)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fusion App free?

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

### Is PEnergy LITHIUM free?

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

### Do Fusion App or PEnergy LITHIUM have ads?

Neither Fusion App nor PEnergy LITHIUM shows ads.

### Which is updated more often, Fusion App or PEnergy LITHIUM?

Fusion App ships an update monthly, and PEnergy LITHIUM monthly. Most recently, Fusion App was updated on November 7, 2026 and PEnergy LITHIUM on November 5, 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.*