CamSys vs TOPA SLI
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
CamSys
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Camsys is used to display real-time images of the camera. The camera has WiFi image transmission function, camsys can display the image of the camera in real time after inputting the camera IP. Camsys has a snap function, but it cannot control the camera.
TOPA SLI
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Remote one click control of the battery switch through Bluetooth. Remote detection of battery status (battery voltage, current, temperature, etc.). Automatically upgrade firmware for batteries and Bluetooth. Battery parameter settings. Battery upgrade records, etc.
Screenshots
Verdict
The clearest difference is update cadence: TOPA SLI at daily against CamSys's every 2 weeks. CamSys's advantage is iOS requirement (9.0 vs 15.0). 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.
CamSys ships an update every 2 weeks, TOPA SLI daily. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.
| Parameter | CamSys | TOPA SLI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Daily â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod â better | iPhone, iPod |
| Requires iOS | 9.0 â better | 15.0 |
| Further details â not scored | ||
| Size | 37 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Alltion (Guangxi) Instrument Co., Ltd. | XIAMEN READYGO ENERGY TECHNOLOGY CO., Ltd. |
In-app purchases
CamSys
No in-app purchases
TOPA SLI
No in-app purchases
