# INVICTA Lithium vs Trolltek

The clearest difference is update cadence: Trolltek at monthly against INVICTA Lithium's every 3 months. INVICTA Lithium's advantage is iOS requirement (10.0 vs 12.0). 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.

INVICTA Lithium ships an update every 3 months, Trolltek monthly. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | INVICTA Lithium | Trolltek |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 14 MB | 14 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPB SealedPerformanceBatteries](https://appshunter.io/developer/1196313654) | [Scintex Pty Ltd](https://appshunter.io/developer/1665413523) |

## What reviewers say

### INVICTA Lithium

[App page](https://appshunter.io/ios/app/invicta-lithium/id1196313655)

Monitor your lithium battery's details via Bluetooth connection. Check real-time battery status to understand its condition and receive timely reminders. This utility tool provides essential battery insights for your device.

**Highlights:** Monitor battery details, Bluetooth connection, Check battery status, Receive reminders, Utility tool

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

**In-app purchases:** none


### Trolltek

[App page](https://appshunter.io/ios/app/trolltek/id1665413521)

**In-app purchases:** none


## Frequently asked questions

### Is INVICTA Lithium free?

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

### Is Trolltek free?

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

### Do INVICTA Lithium or Trolltek have ads?

Neither INVICTA Lithium nor Trolltek shows ads.

### Which is updated more often, INVICTA Lithium or Trolltek?

INVICTA Lithium ships an update every 3 months, and Trolltek monthly. Most recently, INVICTA Lithium was updated on September 21, 2026 and Trolltek on September 15, 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.*