# Engraver vs VoidMicroBT

The clearest difference is iOS requirement: VoidMicroBT at 13.0 against Engraver's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Engraver ships an update every 4 months, VoidMicroBT every 3 months. The most recent releases landed on September 21, 2026 and December 16, 2025 respectively.

## The numbers

| Metric | Engraver | VoidMicroBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (23 ratings)](https://appshunter.io/ios/app/engraver/id1573545331/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 22.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 190 MB | 7 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Xinjia Laser Technology Co., Ltd](https://appshunter.io/developer/1519391263) | [放 崔](https://appshunter.io/developer/1540899092) |

## What reviewers say

### Engraver

[App page](https://appshunter.io/ios/app/engraver/id1573545331)

This utility app connects to a laser engraver via Bluetooth. It allows users to import images, input text, and generate QR codes for engraving. Simple image processing is also supported, making it easy to use.

**Highlights:** Bluetooth connectivity, Import pictures, Input text, Generate 2D codes, Simple picture processing

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

**In-app purchases:** none


### VoidMicroBT

[App page](https://appshunter.io/ios/app/voidmicrobt/id6449016906)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engraver free?

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

### Is VoidMicroBT free?

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

### Do Engraver or VoidMicroBT have ads?

Neither Engraver nor VoidMicroBT shows ads.

### Which is updated more often, Engraver or VoidMicroBT?

Engraver ships an update every 4 months, and VoidMicroBT every 3 months. Most recently, Engraver was updated on September 21, 2026 and VoidMicroBT on December 16, 2025.

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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.*