Smart Sensor vs Watchlog Bluetooth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Sensor
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My-Smart sensor is here to help users make informed smart decisions regarding tank populations that are monitoring. The data provided and having visibility via an online platform will assist in eradicating costly tank run-outs, enhancing customer retention, enhancing tender opportunities, and increasing logistical efficiencies. We are here to make your tank population connected and provide level visibility at your fingertips.
Watchlog Bluetooth
This application facilitates Bluetooth connections for data collection from specific sensors. It is designed to work seamlessly with Hydrotechnik sensors, enabling efficient data transfer and management.
- Bluetooth connectivity
- Hydrotechnik sensor support
- Data collection
- Data management
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Bluetooth connection app for use with Hydrotechnik sensors.
Screenshots
Verdict
The clearest difference is update cadence: Smart Sensor at every 2 weeks against Watchlog Bluetooth's every 2 months. 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.
Smart Sensor ships an update every 2 weeks, Watchlog Bluetooth every 2 months. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.
| Parameter | Smart Sensor | Watchlog Bluetooth |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 40 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Supply Fuel Solutions Limited | Hydrotechnik UK Test Engineering Ltd |
In-app purchases
Smart Sensor
No in-app purchases
Watchlog Bluetooth
No in-app purchases
Questions
Is Smart Sensor free?
Is Watchlog Bluetooth free?
Do Smart Sensor or Watchlog Bluetooth have ads?
Which is updated more often, Smart Sensor or Watchlog Bluetooth?
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