BT Shutter Kun vs 汇保全
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BT Shutter Kun
This app connects via Bluetooth to a specific underwater camera housing, allowing users to control photo and video recording while diving. It's designed for underwater enthusiasts to capture their aquatic experiences.
- Bluetooth connectivity
- Underwater photo capture
- Underwater video recording
- Control camera functions
- Record aquatic experiences
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BT Shutter Kun是由海蛙科技推出针对自身潜水专用先相机防水壳配套的控制app，通过蓝牙与app连接，不管您身处江河或者大海，如果您是一位潜水爱好者，您都可以用它的水下拍照、水下录像的功能来记录您水下最美的一刻！
汇保全
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上海市徐汇公证处区块链存证平台，提供包括app取证、区块链存证、网页取证、过程取证、移动端取证等功能，可广泛满足金融、科技、教育、出版、电商等领域中具有司法认可需要的数据保全需求。
Screenshots
Verdict
BT Shutter Kun and 汇保全 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
BT Shutter Kun ships an update every 6 months, 汇保全 every 5 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.
| Parameter | BT Shutter Kun | 汇保全 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) — better | — |
| Positive reviews | 5.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 55 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Kaichengyi Technology Co.,Ltd. | 上海市徐汇公证处 |
In-app purchases
BT Shutter Kun
No in-app purchases
汇保全
No in-app purchases
