# LumiTool vs Zettlab

The clearest difference is rating: Zettlab at 3.3 against LumiTool's 2.3. Zettlab also leads on update cadence (every 3 weeks vs every 3 months). LumiTool's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Zettlab holds the better App Store score, 3.3 against 2.3. Both are backed by a comparable volume of ratings — 3 and 8 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

LumiTool ships an update every 3 months, Zettlab every 3 weeks. The most recent releases landed on June 1, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | LumiTool | Zettlab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/lumitool/id6472644444/reviews) | **[3.3 (8 ratings)](https://appshunter.io/ios/app/zettlab/id6746955130/reviews)** |
| Number of ratings | 3 | **8** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 45 MB | 182 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [深圳市易安锐智能装备有限责任公司](https://appshunter.io/developer/1683265657) | [Zettlab Innovation Technology Co., Ltd.](https://appshunter.io/developer/1797304072) |

## What reviewers say

### LumiTool

[App page](https://appshunter.io/ios/app/lumitool/id6472644444)

This compact tool provides industrial-grade etching capabilities, enabling users to create deeper etchings 10 times faster and craft imaginative designs. It offers powerful functionality in a portable package.

**Highlights:** Industrial-grade etching power, 10X faster etching speed, Deeper etchings, Imaginative design crafting, Compact and portable tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Zettlab

[App page](https://appshunter.io/ios/app/zettlab/id6746955130)

This app offers a personal cloud for managing your data with local AI capabilities. It features semantic search for various file types and smart recognition for OCR and media transcription. AI-powered organization automatically sorts your photos and videos, making your stored data instantly useful.

**Highlights:** Semantic search for files, OCR text extraction, Media transcription, AI-powered photo/video organization, Local AI processing

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

**In-app purchases:** none


## Frequently asked questions

### Is LumiTool free?

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

### Is Zettlab free?

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

### Which has better reviews, LumiTool or Zettlab?

Zettlab is rated higher. LumiTool averages 2.3 out of 5 from 3 ratings, while Zettlab averages 3.3 from 8 ratings.

### Do LumiTool or Zettlab have ads?

Neither LumiTool nor Zettlab shows ads.

### Which is updated more often, LumiTool or Zettlab?

LumiTool ships an update every 3 months, and Zettlab every 3 weeks. Most recently, LumiTool was updated on June 1, 2026 and Zettlab on August 14, 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.*