# Zark Update vs TRUVALUX

The clearest difference is update cadence: Zark Update at every 2 months against TRUVALUX's every 5 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.

Zark Update ships an update every 2 months, TRUVALUX every 5 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zark Update | TRUVALUX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/truvalux/id6743929714/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | — | Free |
| Size | 27 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SEC of America Incorporated](https://appshunter.io/developer/894019771) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## What reviewers say

### Zark Update

[App page](https://appshunter.io/ios/app/zark-update/id6673909377)

**Features:** macOS Compatibility

**In-app purchases:** none


### TRUVALUX

[App page](https://appshunter.io/ios/app/truvalux/id6743929714)

Monitor and optimize lithium battery systems with real-time charge tracking, energy analytics, and cell-by-cell health monitoring. Features smart mode customization and cloud-enabled diagnostics for enhanced safety and extended battery lifespan.

**Highlights:** Instant charge tracking with runtime predictions, Live energy analytics (watts, volts, amps), Cell-by-cell health monitoring and alerts, Smart mode customization for various setups, AI-powered diagnostics and fault isolation, Real-time remote support for technicians, Comprehensive data history and reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zark Update free?

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

### Is TRUVALUX free?

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

### Do Zark Update or TRUVALUX have ads?

Neither Zark Update nor TRUVALUX shows ads.

### Which is updated more often, Zark Update or TRUVALUX?

Zark Update ships an update every 2 months, and TRUVALUX every 5 months. Most recently, Zark Update was updated on October 27, 2026 and TRUVALUX on October 28, 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.*