# Engraver vs Mobile PEF US

The clearest difference is update cadence: Engraver at every 4 months against Mobile PEF US's every 14 months. Mobile PEF US's advantage is iOS requirement (13.0 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.

Engraver ships an update every 4 months, Mobile PEF US every 14 months. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Engraver | Mobile PEF US |
| --- | --- | --- |
| 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 14 months |
| Monetization | Free | — |
| Size | 190 MB | 32 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dongguan Xinjia Laser Technology Co., Ltd](https://appshunter.io/developer/1519391263) | [泰安大陆医疗器械有限公司](https://appshunter.io/developer/1228555287) |

## 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


### Mobile PEF US

[App page](https://appshunter.io/ios/app/mobile-pef-us/id6479831109)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engraver free?

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

### Is Mobile PEF US free?

Mobile PEF US is free to download, with no in-app purchases.

### Do Engraver or Mobile PEF US have ads?

Neither Engraver nor Mobile PEF US shows ads.

### Which is updated more often, Engraver or Mobile PEF US?

Engraver ships an update every 4 months, and Mobile PEF US every 14 months. Most recently, Engraver was updated on September 30, 2026 and Mobile PEF US on September 24, 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.*