# Fusion Pro vs INVICTA LITHIUM LEGION

The clearest difference is update cadence: Fusion Pro at every 3 weeks against INVICTA LITHIUM LEGION'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.

Fusion Pro ships an update every 3 weeks, INVICTA LITHIUM LEGION every 4 months. The most recent releases landed on November 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Fusion Pro | INVICTA LITHIUM LEGION |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 43 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Super Start Batteries Pty Ltd](https://appshunter.io/developer/1712255491) | [SPB SealedPerformanceBatteries](https://appshunter.io/developer/1196313654) |

## What reviewers say

### Fusion Pro

[App page](https://appshunter.io/ios/app/fusion-pro/id6469588613)

Monitor and manage lithium battery packs via Bluetooth connection. View battery status, identify abnormal units for replacement, and set protection parameters with password security. Receive fault alarms and track battery issues.

**Highlights:** Bluetooth battery connection, Real-time battery status query, Abnormal battery identification, Battery protection parameter setting, Password protection for parameters, Battery fault alarm monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### INVICTA LITHIUM LEGION

[App page](https://appshunter.io/ios/app/invicta-lithium-legion/id6478570423)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fusion Pro free?

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

### Is INVICTA LITHIUM LEGION free?

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

### Do Fusion Pro or INVICTA LITHIUM LEGION have ads?

Neither Fusion Pro nor INVICTA LITHIUM LEGION shows ads.

### Which is updated more often, Fusion Pro or INVICTA LITHIUM LEGION?

Fusion Pro ships an update every 3 weeks, and INVICTA LITHIUM LEGION every 4 months. Most recently, Fusion Pro was updated on November 3, 2026 and INVICTA LITHIUM LEGION on October 6, 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.*