OPNDataCheck vs CAMMUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPNDataCheck
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It is an application that can collate barcode data read by Optoelectronics Bluetooth data collector, check the data, and send the data. You can also set the data collector.
CAMMUS
This app allows users to control and debug a specific computer simulator. It enables Bluetooth connectivity to the device, adjustment of various simulator parameters, and saving of custom modes for future use.
- Control computer simulator
- Debug simulator functions
- Bluetooth device connection
- Adjust simulator parameters
- Save custom modes
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Cammus app is specially used to control and debug the computer simulator produced by us. By binding the device, you can connect the device with Bluetooth after adding the device. In the app, you can adjust various parameters of the computer simulator, set the steering angle, etc., and save the set mode. The mode saved by the device after entering the app next time.
Screenshots
Verdict
The clearest difference is update cadence: CAMMUS at every 3 weeks against OPNDataCheck's every 51 months. CAMMUS also leads on iOS requirement (12.0 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.
OPNDataCheck ships an update every 51 months, CAMMUS every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | OPNDataCheck | CAMMUS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.1 (8 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 51 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 110 MB |
| Age rating | 4+ | 9+ |
| Developer | OPTOELECTRONICS Co.,Ltd. | Shenzhen Cammus Electronic Technology Co., Ltd. |
In-app purchases
OPNDataCheck
No in-app purchases
CAMMUS
No in-app purchases
