# Viewer 2 vs 真探·酒店助手

The clearest difference is rating: Viewer 2 at 4.5 against 真探·酒店助手's 4.0. Viewer 2 also leads on in-app purchases (none vs 2) and iOS requirement (11.0 vs 17). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. 真探·酒店助手 sells 2 in-app purchases, starting at $3.99 per 7 days. Viewer 2 asks for nothing beyond the download.

Viewer 2 holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 8 and 4 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Viewer 2 ships an update every 10 days, 真探·酒店助手 weekly. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Viewer 2 | 真探·酒店助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/viewer-2/id1344626273/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/id6770867700/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 65 MB | 11 MB |
| Requires iOS | **11.0** | 17 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Yuyue Technology Co., Ltd.](https://appshunter.io/developer/1212727401) | [好喜 孙](https://appshunter.io/developer/1739822417) |

## What reviewers say

### Viewer 2

[App page](https://appshunter.io/ios/app/viewer-2/id1344626273)

This app allows you to view and edit various file types, including code, databases, archives, images, and videos. It supports multiple programming languages and character encodings for code viewing and editing.

**Highlights:** Code viewer with syntax highlighting, Code editor, Archive file extraction (ZIP, RAR, 7Z), Database file viewer (SQLite), Image viewer, Video player, Support for multiple character encodings

**Features:** macOS Compatibility

**In-app purchases:** none


### 真探·酒店助手

[App page](https://appshunter.io/ios/app/id6770867700)

This app helps travelers detect hidden devices, analyze room noise, and scan for network anomalies in unfamiliar hotel rooms. It also allows users to map and review hotels, creating a personal travel accommodation record for future reference.

**Highlights:** Hotel mapping and review, Travel record keeping, Red dot scanning, Decibel detection, Night vision mode, Port scanning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP | $3.99 | per 7 days |
| forever vip | $39.99 | one-time |


## Frequently asked questions

### Is Viewer 2 free?

Viewer 2 is free to download, with no in-app purchases.

### Is 真探·酒店助手 free?

真探·酒店助手 is free to download, with in-app purchases available.

### Which has better reviews, Viewer 2 or 真探·酒店助手?

Viewer 2 is rated higher. Viewer 2 averages 4.5 out of 5 from 8 ratings, while 真探·酒店助手 averages 4.0 from 4 ratings.

### Do Viewer 2 or 真探·酒店助手 have ads?

Neither Viewer 2 nor 真探·酒店助手 shows ads.

### Which is updated more often, Viewer 2 or 真探·酒店助手?

Viewer 2 ships an update every 10 days, and 真探·酒店助手 weekly. Most recently, Viewer 2 was updated on October 8, 2026 and 真探·酒店助手 on October 6, 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.*