# RTPrinter System vs Lumi Lab

The clearest difference is in-app purchases: RTPrinter System at none against Lumi Lab's 18. RTPrinter System also leads on iOS requirement (12.0 vs 15.6). Lumi Lab's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Lumi Lab sells 5 in-app purchases, starting at $0.99 per month. RTPrinter System asks for nothing beyond the download.

RTPrinter System ships an update every 6 weeks, Lumi Lab every 11 days. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RTPrinter System | Lumi Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (8 ratings)](https://appshunter.io/ios/app/rtprinter-system/id1133035093/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 8 MB | 77 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Xiamen Rongta Technology Co.,Ltd](https://appshunter.io/developer/1133035092) | [Shenzhen Yetong Technology Co., Ltd.](https://appshunter.io/developer/1839120178) |

## What reviewers say

### RTPrinter System

[App page](https://appshunter.io/ios/app/rtprinter-system/id1133035093)

This application allows users to print various content, including webpages, templates, pictures, texts, and barcodes, using Rongta's thermal and dot matrix printers. It supports multiple printer series and offers a range of printing functions.

**Highlights:** Print webpages, Print templates, Print pictures, Print text, Print barcodes, Supports thermal and dot matrix printers, Supports 58mm, 80mm, and portable printers

**Features:** macOS Compatibility

**In-app purchases:** none


### Lumi Lab

[App page](https://appshunter.io/ios/app/lumi-lab/id6752368912)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Available Cloud Plans | $0.99 | per month |
| Monthly Cloud Plan | $0.99 | per month |
| 30-Day Monthly Cloud Plan | $1.99 | per month |
| Annual Cloud Plan | $8.99 | per year |
| 30-Day Annual Cloud Plan | $17.99 | per year |


## Frequently asked questions

### Is RTPrinter System free?

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

### Is Lumi Lab free?

Lumi Lab is free to download, with in-app purchases available.

### Do RTPrinter System or Lumi Lab have ads?

Neither RTPrinter System nor Lumi Lab shows ads.

### Which is updated more often, RTPrinter System or Lumi Lab?

RTPrinter System ships an update every 6 weeks, and Lumi Lab every 11 days. Most recently, RTPrinter System was updated on September 29, 2026 and Lumi Lab on September 28, 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.*