# Laser Photo Prep: EngravePrep — Wood, Slate, Glass & Acrylic

> Converts photos to laser engraving-ready dot patterns. (iPhone/iPad app by Willow Glen Equity LLC.)

- Source: https://appshunter.io/ios/app/laser-photo-prep-engraveprep/id6793587777 (this page in markdown: same URL + `.md`)
- Developer: [Willow Glen Equity LLC](https://appshunter.io/developer/6788063219)
- Category: Graphics & Design
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 7 MB
- Languages: American English
- Released: 2026-08-04
- Data updated: 2026-09-04
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/laser-photo-prep-engraveprep/id6793587777/reviews.md

## What is Laser Photo Prep?

Turn a phone photo into engraving-ready dots.

EngravePrep converts ordinary photos into exactly sized, one-bit PNGs for laser engraving. Choose the surface, compare the actual dot pattern, protect important detail, and export into the software you already use.

TRY YOUR OWN PHOTO FREE

• Import from Photos, Files, or Camera
• Use every crop, tone, material, dither, and size control
• Inspect the processed result before you pay
• Unlock personal full-resolution exports once. No subscription.

PREPARE FOR THE SURFACE

Built-in starting points for:
• Light wood
• Dark slate
• Glass and acrylic
• Coated metal
• Manual control for other engravable surfaces

CHOOSE THE DOT PATTERN

Compare Floyd–Steinberg, Jarvis–Judice–Ninke, Stucki, Atkinson, Bayer, and threshold processing at the same output size.

CONTROL THE FILE

• Pinch, drag, and twist to crop and straighten
• Exposure, gamma, contrast, black point, white point, and sharpening
• Inches or millimeters, selectable DPI, exact pixel dimensions, and upscale warnings
• Before/after comparison and true 1:1 pixel inspection
• Optional on-device background removal
• Local saved projects and reusable presets
• Free six-mode dither test strip for scrap testing

PRIVATE AND HARDWARE-NEUTRAL

Your photos are processed on your device. EngravePrep requires no account, uploads no photos, contains no ads or analytics, and connects to no laser. Export through the iOS share sheet, then import the PNG into your existing laser workflow.

EngravePrep prepares image pixels; it does not provide machine power, speed, frequency, focus, ventilation, or material-safety settings. Always test on scrap and follow your laser manufacturer’s safety instructions.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Photo to dot pattern conversion
- Material-specific presets
- Multiple dithering algorithms
- Advanced image adjustment controls
- On-device background removal
- Local project saving and presets

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |



## Frequently asked questions about Laser Photo Prep

### What is Laser Photo Prep?

Laser Photo Prep is an app that converts ordinary photos into exactly sized, one-bit PNGs ready for laser engraving. It allows you to choose your material, compare dot patterns, and adjust details before exporting.

### How does Laser Photo Prep handle payments?

Laser Photo Prep offers full-resolution exports with a one-time unlock, meaning there is no subscription. You can try its six-mode dither test strip for free on scrap materials.

### What materials can Laser Photo Prep prepare images for?

The app includes built-in starting points for light wood, dark slate, glass, acrylic, and coated metal. It also offers manual control for other engravable surfaces.

### Can I adjust the image before exporting?

Yes, you have extensive control over cropping, straightening, exposure, gamma, contrast, black point, white point, and sharpening. You can also select units (inches/millimeters), DPI, and pixel dimensions.

### Does Laser Photo Prep process photos on my device?

Yes, your photos are processed entirely on your device. Laser Photo Prep requires no account, uploads no photos, and contains no ads or analytics.

### What dithering options are available in Laser Photo Prep?

Laser Photo Prep allows you to compare Floyd–Steinberg, Jarvis–Judice–Ninke, Stucki, Atkinson, Bayer, and threshold processing at the same output size.

### Is Laser Photo Prep suitable for beginners?

The app offers a free six-mode dither test strip for scrap testing, allowing users to experiment before committing to a purchase. Its intuitive controls and material presets also aid beginners.

### What devices does Laser Photo Prep support?

Laser Photo Prep is available for iPhone and iPad, running on iOS. It was last updated on August 10, 2026.

## Version history (last 3 releases)

### 1.2 — 2026-08-28

Added a thoughtfully timed App Store rating prompt after successful paid exports, plus a Rate EngravePrep link in About.

### 1.1 — 2026-08-10

Crop photos directly with pinch, drag, and twist gestures. The editor now keeps the image visible while you adjust material, look, tone, and size controls.

### 1.0 — 2026-08-04

No release notes.

## More apps by Willow Glen Equity LLC

- [Moonrise Moment](https://appshunter.io/ios/app/moonrise-moment/id6788237210)
- [ColorKind: Coloring Page Maker](https://appshunter.io/ios/app/colorkind-coloring-page-maker/id6790458531)
- [StencilDrop](https://appshunter.io/ios/app/stencildrop/id6793224338)

All apps by Willow Glen Equity LLC: https://appshunter.io/developer/6788063219

## Related topics

[sgd laser](https://appshunter.io/ios/topics/sgd-laser)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*