# G码印章 vs VANTIS

The clearest difference is update cadence: G码印章 at every 2 months against VANTIS's every 7 months. VANTIS's advantage is iOS requirement (11.0 vs 13.0). 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.

G码印章 ships an update every 2 months, VANTIS every 7 months. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | G码印章 | VANTIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/g/id1008700014/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | — |
| Size | 44 MB | 227 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Tongjin Digital Printing Technology Co., Ltd.](https://appshunter.io/developer/1008700013) | [Zhejiang Huawei Doors Industry Co., Ltd.](https://appshunter.io/developer/1684455766) |

## What reviewers say

### G码印章

[App page](https://appshunter.io/ios/app/g/id1008700014)

This app allows users to scan G-coded stamps to verify the legitimacy of stamp usage, including authorization details and other relevant information. It helps confirm the intended purpose of the stamp by the holder.

**Highlights:** Scan G-coded stamps, Verify stamp holder authorization, Confirm stamp usage purpose, View related content

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

**In-app purchases:** none


### VANTIS

[App page](https://appshunter.io/ios/app/vantis/id6448342295)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is G码印章 free?

G码印章 is free to download, with no in-app purchases.

### Is VANTIS free?

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

### Do G码印章 or VANTIS have ads?

Neither G码印章 nor VANTIS shows ads.

### Which is updated more often, G码印章 or VANTIS?

G码印章 ships an update every 2 months, and VANTIS every 7 months. Most recently, G码印章 was updated on October 20, 2026 and VANTIS on October 11, 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.*