天書 vs Avtech DVR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
天書
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收購行情盡在彈指之間 《天書》中古車行情指南 APP 為中古車從業人員提供即時的中古車資訊查詢服務，讓您透過智慧型手機，直覺式的查詢房車、休旅車、商用車與重型機車等各車型收購行情。提供廠牌和關鍵字等2種查詢模式，讓您查詢到各廠牌、車款的收購行情價格，查看收購行情時還可以點選車款，確認各車款的配備差異。 另外，經常查看的車型，可以依使用者的需求，點選愛心符號，將查詢條件加入我的最愛。 從今以後，只要一機在手，等於將《天書》精華內容隨時帶著走。 注意事項： 1、 本APP僅提供《天書》中古車行情指南訂戶使用 2、 需搭載iOS12.0以上版本 3、《天書》訂閱服務專線：02-2782-1111 #6577
Avtech DVR
This surveillance application allows users to monitor live feeds from AVTECH recorders. It offers features for controlling PTZ functions, managing I/O alarms, and performing quick searches and backups of recorded events.
- Live monitoring (individual/multiple view)
- Remote PTZ control (direction/zoom)
- Remote I/O alarm control
- Live snapshot
- Quick search and backup
- Event video notifications
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AVTECH DVR, surveillance application serves for the use of AVTECH recorder, which is user-friendly, and well display. Also, it controls the live monitor, searching and backup. Features: 1. Easy setup. 2. Support the monitor with individual or multiple view. 3. Remote control PTZ function of directions and zoom. 4. Remote control external I/O alarm device. 5. Live snapshot. 6. Quick search and backup for record event. 7. Quick notification for event video.
Screenshots
Verdict
The clearest difference is update cadence: Avtech DVR at every 2 months against 天書's every 6 months. Avtech DVR also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
天書 ships an update every 6 months, Avtech DVR every 2 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.
| Parameter | 天書 | Avtech DVR |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 29 MB |
| Age rating | 4+ | 9+ |
| Developer | 恵鴻資訊 | Avtech |
In-app purchases
天書
No in-app purchases
Avtech DVR
No in-app purchases
