BT Shutter Kun vs SMSCatch
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！
SMSCatch
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Receive SMS verification codes and OTP messages with temporary virtual numbers in SMSCatch. Choose a service and country, review current pricing and availability, then track the number, message, and order status in one place. Key features: • Temporary numbers across many countries and regions • SMS and OTP reception with easy code copying • Pricing and available inventory shown before confirmation • Quick guest access with optional Apple or Google linking later • Clear order history Number availability and message delivery depend on the selected service, country, and provider. Use SMSCatch only for lawful, authorized verification. A temporary number should not be used as the long-term recovery number for an important account.
Screenshots
Verdict
The clearest difference is in-app purchases: BT Shutter Kun at none against SMSCatch's 6. BT Shutter Kun also leads on iOS requirement (12.0 vs 15.0). SMSCatch's advantage is update cadence (every 3 days vs every 6 months). On price, ads 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. SMSCatch sells 6 one-off in-app purchases. BT Shutter Kun asks for nothing beyond the download.
BT Shutter Kun ships an update every 6 months, SMSCatch every 3 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | BT Shutter Kun | SMSCatch |
|---|---|---|
| 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 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Kaichengyi Technology Co.,Ltd. | Hunan Wendao Information Technology Co., Ltd. |
In-app purchases
BT Shutter Kun
No in-app purchases
SMSCatch
- 1 Credit$1.00
- 3 Credits$3.00
- 5 Credits$5.00
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- 10 Credits$10.00
- 20 Credits$20.00
- 50 Credits$50.00
