RTB BLX vs SpeedCheck Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RTB BLX
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BLX Service is an app used for configuring and managing Bluetooth-equipped traffic assistive devices from RTB.
SpeedCheck Manager
Easily set up and program radar speed signs wirelessly. Change settings, monitor status, and secure access remotely. Ideal for traffic calming in various zones.
- Wireless sign programming
- Remote setting changes
- Instant status reporting
- Password-protected access
- Speed parameter adjustments
- Strobe and stealth modes
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SpeedCheck® Manager mobile app lets you easily set up and program your SPEEDCHECK-12 radar speed sign. Go from setup to calming traffic in minutes. Why use an app to program SpeedCheck signs? - Change system default settings quickly - Program from up to 100 feet away - Simple, step-by-step programming - Instant operational status reporting - Secure, password-protected access How does it work? The app uses Bluetooth® Low Energy (BLE) wireless technology to connect to the SPEEDCHECK-12 sign. Once you’ve installed and powered up your sign, simply boot up the app and it will automatically scan for nearby SpeedCheck devices. Select your sign and program your desired settings, including device name, speed parameters, password, and others. Each setting is immediately updated on the connected sign. When you’re finished, just exit the app and your sign is ready and operational. App features: - Speed settings: speed limit, minimum speed, violation alert, high speed cutoff - Strobe on/off - Stealth mode (turns display off) - System ID, date and time - Read-only power/system status About SPEEDCHECK-12 Affordable. Reliable. Feature-rich. The SPEEDCHECK-12 radar speed sign is an effective and portable solution for slowing traffic in pedestrian and school zones, residential areas, and arterials and rural roadways with posted speeds less than 45 mph. Built from Carmanah’s decades of expertise in creating highly efficient and reliable products, this 12-inch sign has a compact, durable design for a quick and easy installation process. It includes an ultra-bright LED display and comes loaded with premium features at no additional cost. Learn more about SpeedCheck radar speed signs at https://carmanah.com/product-category/your-speed-radar-speed-signs/ and visit our Product Support Center for on-demand technical assistance at https://support.carmanah.com. Privacy policy: https://carmanah.com/policies/privacy-policy/ End-user licensing agreement: https://carmanah.com/policies/software-end-user-license-agreement/
Screenshots
Verdict
The clearest difference is iOS requirement: SpeedCheck Manager at 13.0 against RTB BLX's 16.6. On price, update cadence, ads and in-app purchases 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.
RTB BLX ships an update every 7 months, SpeedCheck Manager every 4 months. The most recent releases landed on October 11, 2026 and September 24, 2026 respectively.
| Parameter | RTB BLX | SpeedCheck Manager |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | RTB Elektronik | Carmanah Technologies Corporation |
In-app purchases
RTB BLX
No in-app purchases
SpeedCheck Manager
No in-app purchases
