# 水印相机 vs 指南针

The clearest difference is rating: 指南针 at 5.0 against 水印相机's 4.0. 指南针 also leads on update cadence (every 5 days vs every 3 weeks). 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.

指南针 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

水印相机 ships an update every 3 weeks, 指南针 every 5 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | 水印相机 | 指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/id6476538899/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6747735479/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 15 MB | 3 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenyang Yuehe Gongchuang Information Technology Co.,Ltd](https://appshunter.io/developer/1578845704) | [荐 梁](https://appshunter.io/developer/1784051678) |

## What reviewers say

### 水印相机

[App page](https://appshunter.io/ios/app/id6476538899)

Easily add various watermarks to your photos for work, study, or personal use. Choose from numerous templates and customize your own watermarks with date, time, location, and more. Save both original and watermarked images simultaneously.

**Highlights:** Add date, time, weather, location, and altitude watermarks, Professional watermark templates for attendance, business cards, and construction, Customizable watermark content, Automatic orientation adaptation, Save original and watermarked photos simultaneously

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

**In-app purchases:** none


### 指南针

[App page](https://appshunter.io/ios/app/id6747735479)

This app provides precise outdoor navigation and environmental monitoring. It features a high-accuracy compass, real-time altitude and atmospheric pressure readings, and a smart camera that embeds environmental data into photos. Ideal for hikers, climbers, and adventurers.

**Highlights:** Precise compass navigation, Real-time altitude monitoring, Atmospheric pressure calculation, Oxygen concentration analysis, GPS-based speed tracking, Smart camera with data embedding, Sunrise/sunset time calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is 水印相机 free?

水印相机 is free to download, with no in-app purchases.

### Is 指南针 free?

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

### Which has better reviews, 水印相机 or 指南针?

指南针 is rated higher. 水印相机 averages 4.0 out of 5 from 4 ratings, while 指南针 averages 5.0 from 2 ratings.

### Do 水印相机 or 指南针 have ads?

Neither 水印相机 nor 指南针 shows ads.

### Which is updated more often, 水印相机 or 指南针?

水印相机 ships an update every 3 weeks, and 指南针 every 5 days. Most recently, 水印相机 was updated on September 19, 2026 and 指南针 on September 21, 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.*