# VOLTRAC Battery vs miniPal studio

The clearest difference is update cadence: miniPal studio at every 5 weeks against VOLTRAC Battery's every 4 months. VOLTRAC Battery's advantage is iOS requirement (11.0 vs 15.6). 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.

VOLTRAC Battery ships an update every 4 months, miniPal studio every 5 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VOLTRAC Battery | miniPal studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/minipal-studio/id6747196676/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 21 MB | 12 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [应刚 郑](https://appshunter.io/developer/1446858821) | [Yusuf Mohsinally](https://appshunter.io/developer/1820225073) |

## What reviewers say

### VOLTRAC Battery

[App page](https://appshunter.io/ios/app/voltrac-battery/id1613895105)

**Features:** macOS Compatibility

**In-app purchases:** none


### miniPal studio

[App page](https://appshunter.io/ios/app/minipal-studio/id6747196676)

This app helps miniature painters and hobbyists organize and document their projects. It offers tools for capturing perfectly framed photos, tracking progress with overlays, and managing images in dedicated albums.

**Highlights:** Onion-skin overlay for alignment, Grayscale preview for value judgment, Dedicated macro mode for close-ups, Quick-zoom presets, Album bar for instant organization, High-resolution capture

**In-app purchases:** none


## Frequently asked questions

### Is VOLTRAC Battery free?

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

### Is miniPal studio free?

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

### Do VOLTRAC Battery or miniPal studio have ads?

Neither VOLTRAC Battery nor miniPal studio shows ads.

### Which is updated more often, VOLTRAC Battery or miniPal studio?

VOLTRAC Battery ships an update every 4 months, and miniPal studio every 5 weeks. Most recently, VOLTRAC Battery was updated on October 6, 2026 and miniPal studio on October 10, 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.*