Viewer 2 vs 真探·酒店助手
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Viewer 2
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.
- 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
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Zip Rar 7z File Viewer Features: ◆ Text Viewer 1,View code and hight light source code for language like java, CSharp, C , Python,Swift, etc 2,Support file format : json, txt, php, erl, swift, cpp, js, rb, py, sh, etc 3,Support UTF-8,UTF-16 UTF-16BE UTF-16LE UTF-32 UTF-32BE UTF-32LE chartset encoding ◆ Code Editor 1,Edit code and hight light source code for language like java, CSharp, C , Python,Swift, etc ◆ Database file Viewer 1, Support to sqlite database file ◆ property List View 1,Support to view plist property file ◆ Archive File View 1, Support ZIP file and encrypt ZIP file 2, Support RAR file and encrypt RAR file 3, Support 7Z file and encrypt 7Z file ◆ Image View 1,Support large image to view ◆ VCARD File View 1,Support VCARD File view ◆ Video File play 1,Support mp4， mkv，webm，flv，avi，qsv video file
真探·酒店助手
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.
- Hotel mapping and review
- Travel record keeping
- Red dot scanning
- Decibel detection
- Night vision mode
- Port scanning
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出差入住陌生酒店，您是否担心房间存在不明设备、异常声响或可疑联网终端？是否担心入住酒店在舒适度、早餐、隔音效果方面不尽如人意？ 真探·酒店助手，专为商务差旅与注重隐私的用户打造，将多种实用探测工具集于一处。 1、酒店地图标注支持在地图上标记住过的酒店，记录名称、位置、入住日期与天数，并可标注安全感受、舒适度、早餐与星级评价，形成您的私人差旅住宿档案，日后选型一目了然； 2、出行记录可按步骤填写每次出差信息，包括日期、城市、酒店、房号、分贝读数及设备排查结果，检测完成后一键归档，方便随时查阅与对比； 3、红点扫描可辅助排查可疑光学反射； 4、分贝探测帮助记录与分析房间噪音； 5、夜视模式便于在暗光环境下观察细节； 6、端口扫描可发现局域网内的异常连接； 本产品包含付费功能：一周会员价值28元，永久会员价值298元，您将在购买任意会员后解锁无限次的全部功能使用。 用户协议地址：https://docs.qq.com/doc/DUWpRZU54QW14a0xC 隐私政策地址：https://docs.qq.com/doc/DUUJueWdHQXFTb0NX
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Viewer 2 | 真探·酒店助手 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (8 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 8 — better | 4 |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.0 — better | 17 |
| Further details — not scored | ||
| Size | 65 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen Yuyue Technology Co., Ltd. | 好喜 孙 |
Customer experience
Viewer 2
真探·酒店助手
In-app purchases
Viewer 2
No in-app purchases
真探·酒店助手
- Weekly VIP$3.997 Days
- forever vip$39.99
