# DOOR vs 户外狂人

The clearest difference is in-app purchases: DOOR at none against 户外狂人's 1. DOOR also leads on update cadence (every 9 days vs every 3 weeks) and iOS requirement (13.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. 户外狂人 sells 1 in-app purchase, starting at $5.99 per 7 days. DOOR asks for nothing beyond the download.

DOOR ships an update every 9 days, 户外狂人 every 3 weeks. The most recent releases landed on September 10, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | DOOR | 户外狂人 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/32/id6757334246/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 38 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [建宁 陈](https://appshunter.io/developer/1176148064) | [Wuhan Starlink Network Technology Co., Ltd.](https://appshunter.io/developer/1624636161) |

## What reviewers say

### DOOR

[App page](https://appshunter.io/ios/app/door-ble/id1560603905)

**In-app purchases:** none


### 户外狂人

[App page](https://appshunter.io/ios/app/32/id6757334246)

This app offers a powerful 32x zoom telescope with low-light night vision. It tracks climbing elevation and curves, sends emergency SOS messages with custom signals, and displays compass direction and boiling point. It also includes a barometer and altimeter.

**Highlights:** 32x high-definition zoom telescope, Low-light night vision mode, Real-time climbing elevation tracking, Emergency SOS message sending, Compass and barometer, Multiple language SOS signals

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一周会员 | $5.99 | per 7 days |


## Frequently asked questions

### Is DOOR free?

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

### Is 户外狂人 free?

户外狂人 is free to download, with in-app purchases available.

### Do DOOR or 户外狂人 have ads?

Neither DOOR nor 户外狂人 shows ads.

### Which is updated more often, DOOR or 户外狂人?

DOOR ships an update every 9 days, and 户外狂人 every 3 weeks. Most recently, DOOR was updated on September 10, 2026 and 户外狂人 on August 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*