# Convert file vs Voltcraft BTR Series

The clearest difference is ads: Voltcraft BTR Series at none against Convert file's shown. Convert file's advantage is iOS requirement (12.1 vs 15.0). On price, update cadence, 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.

Convert file ships an update every 3 months, Voltcraft BTR Series every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Convert file | Voltcraft BTR Series |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (26 ratings)](https://appshunter.io/ios/app/convert-file/id6449843981/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 65 MB | 40 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MULTIAPS S.L.](https://appshunter.io/developer/1416723699) | [CEI Conrad Electronic International (HK) Limited](https://appshunter.io/developer/756357900) |

## What reviewers say

### Convert file

[App page](https://appshunter.io/ios/app/convert-file/id6449843981)

Easily convert a wide range of file types, including documents, spreadsheets, audio, and video. This app offers a user-friendly interface and aims to preserve the quality of your converted files. Converted documents can be saved or shared directly from the app.

**Highlights:** Wide range of supported file formats, User-friendly interface, Preserves file quality, Save or share converted files, Supports documents, spreadsheets, audio, and video

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltcraft BTR Series

[App page](https://appshunter.io/ios/app/voltcraft-btr-series/id6758967480)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convert file free?

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

### Is Voltcraft BTR Series free?

Voltcraft BTR Series is free to download, with no in-app purchases.

### Do Convert file or Voltcraft BTR Series have ads?

Convert file shows ads; Voltcraft BTR Series does not.

### Which is updated more often, Convert file or Voltcraft BTR Series?

Convert file ships an update every 3 months, and Voltcraft BTR Series every 2 months. Most recently, Convert file was updated on October 24, 2026 and Voltcraft BTR Series on October 25, 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.*