# 军用坐标 vs 证件水印

The clearest difference is update cadence: 军用坐标 at every 3 months against 证件水印's every 14 months. 军用坐标 also leads on review sentiment (100% vs 92%) and iOS requirement (8.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

军用坐标 costs $1.99 and 证件水印 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

军用坐标 ships an update every 3 months, 证件水印 every 14 months. The most recent releases landed on October 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 军用坐标 | 证件水印 |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/id1582930176/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | **100.0% of reviews** | 92.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Paid | Paid |
| Size | 22 MB | 2 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [一 丁](https://appshunter.io/developer/1185297429) | [阳理 江](https://appshunter.io/developer/1645314423) |

## What reviewers say

### 军用坐标

[App page](https://appshunter.io/ios/app/id1246038894)

This professional utility app provides GPS and network-based location services, displaying geographic and Gauss-Krüger coordinates. It features map integration for point selection, keyword searching for locations, and coordinate conversion. Designed for military topography and surveying tasks.

**Highlights:** GPS and network location services, Geographic and Gauss-Krüger coordinate display, Map integration for point selection, Keyword search for locations, Coordinate system conversion, Beijing 54 coordinate system support

**Features:** Vision Pro support

**In-app purchases:** none


### 证件水印

[App page](https://appshunter.io/ios/app/id1582930176)

This utility app allows users to add text watermarks to documents and photos, protecting personal information from misuse. It supports batch processing for up to 50 images and can export in PDF or image formats, including an A4 print mode.

**Highlights:** Add text watermarks, Protect privacy information, A4 copy print mode, Export PDF or image, Batch watermark up to 50 photos, No network requests

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 军用坐标 free?

军用坐标 costs $1.99, with no in-app purchases.

### Is 证件水印 free?

证件水印 costs $1.99, with no in-app purchases.

### Do 军用坐标 or 证件水印 have ads?

Neither 军用坐标 nor 证件水印 shows ads.

### Which is updated more often, 军用坐标 or 证件水印?

军用坐标 ships an update every 3 months, and 证件水印 every 14 months. Most recently, 军用坐标 was updated on October 12, 2026 and 证件水印 on October 30, 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.*