# Engraver vs SincoOTA

The clearest difference is update cadence: SincoOTA at every 3 weeks against Engraver's every 4 months. SincoOTA also leads on review sentiment (50% vs 23%) and rating (2.8 vs 2.5). Engraver's advantage is ratings volume (23 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SincoOTA holds the better App Store score, 2.8 against 2.5. That said, the two scores are not equally well evidenced: Engraver has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 23% of Engraver's written reviews are positive against 50% of SincoOTA's.

Engraver ships an update every 4 months, SincoOTA every 3 weeks. The most recent releases landed on September 21, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Engraver | SincoOTA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (23 ratings)](https://appshunter.io/ios/app/engraver/id1573545331/reviews) | **[2.8 (4 ratings)](https://appshunter.io/ios/app/sincoota/id6505131053/reviews)** |
| Number of ratings | **23** | 4 |
| Positive reviews | 22.5% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 1 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Xinjia Laser Technology Co., Ltd](https://appshunter.io/developer/1519391263) | [Zhuhai Sinco Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1576180489) |

## 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


### SincoOTA

[App page](https://appshunter.io/ios/app/sincoota/id6505131053)

Perform over-the-air (OTA) upgrades for hardware products using a Bluetooth connection. This utility allows for seamless firmware updates directly from your device.

**Highlights:** Bluetooth connectivity, OTA firmware upgrades, Hardware product support, Direct device updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engraver free?

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

### Is SincoOTA free?

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

### Which has better reviews, Engraver or SincoOTA?

SincoOTA is rated higher. Engraver averages 2.5 out of 5 from 23 ratings, while SincoOTA averages 2.8 from 4 ratings.

### Do Engraver or SincoOTA have ads?

Neither Engraver nor SincoOTA shows ads.

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

Engraver ships an update every 4 months, and SincoOTA every 3 weeks. Most recently, Engraver was updated on September 21, 2026 and SincoOTA on July 23, 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.*