# 指南针 vs PicZip

The clearest difference is rating: PicZip at 5.0 against 指南针's 1.0. PicZip also leads on ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

PicZip holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

指南针 ships an update every 3 weeks, PicZip monthly. The most recent releases landed on October 16, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 指南针 | PicZip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/id6744322941/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piczip-image-compressor/id6768667875/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 16 MB | 3 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Duoxiang Technology Co., Ltd](https://appshunter.io/developer/1534573413) | [利龙 张](https://appshunter.io/developer/1649262253) |

## What reviewers say

### 指南针

[App page](https://appshunter.io/ios/app/id6744322941)

This tool provides precise geographic information, including direction, altitude, and latitude/longitude coordinates. It utilizes device sensors for accurate real-time data to help you understand your surroundings.

**Highlights:** Directional guidance, Real-time altitude display, Accurate latitude and longitude, Utilizes device sensors

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

**In-app purchases:** none


### PicZip

[App page](https://appshunter.io/ios/app/piczip-image-compressor/id6768667875)

Easily reduce the file size of your photos to save storage space and prepare them for sharing or uploading. You can set a target file size or manually resize images to specific dimensions. Batch compress multiple images with consistent settings.

**Highlights:** Batch image compression, Target file size setting (KB/MB), Manual image resizing (width/height), Supports JPG, PNG, HEIF, Save space and prepare for upload, Review original vs. compressed size

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 指南针 free?

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

### Is PicZip free?

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

### Which has better reviews, 指南针 or PicZip?

PicZip is rated higher. 指南针 averages 1.0 out of 5 from 1 ratings, while PicZip averages 5.0 from 1 ratings.

### Do 指南针 or PicZip have ads?

指南针 shows ads; PicZip does not.

### Which is updated more often, 指南针 or PicZip?

指南针 ships an update every 3 weeks, and PicZip monthly. Most recently, 指南针 was updated on October 16, 2026 and PicZip on October 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.*