SeeLeveL Sync vs Tru
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeeLeveL Sync
Monitor your RV's fresh water, grey water, black water, and LPG tank levels in real-time. Customize tank names, colors, and set alarms for low or high levels. Connects via Bluetooth to compatible SeeLeveL II tank monitors.
- Real-time tank level monitoring
- Customizable tank names and colors
- Low and high level tank alarms
- Bluetooth connectivity
- Graphical and percentage display
- Home Screen widget support
Read full descriptionHide full description
Upgrade your RV experience with SeeLeveL RV 2.0, the ultimate companion for seamless tank monitoring and notifications. Designed for use with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor, this app provides an unrivaled level of control and convenience, ensuring you stay informed about your RV's vital resources. Monitor your RV's tank levels, including fresh water, grey water, black water, and LPG, in real-time with SeeLeveL RV 2.0. The app delivers accurate and precise tank-level data, presented in both graphical and percent value formats. Stay informed at a glance with intuitive displays that let you easily track fluid levels and ensure you have sufficient resources for your journeys. SeeLeveL RV 2.0 offers advanced customization options, allowing you to personalize your tank monitoring experience. Easily rename tanks and devices within the app, making it effortless to identify and manage different tanks in your RV. Customize the graphical representation of tank fluid colors to match the type of liquid stored, further enhancing clarity and visual identification. One of the standout features of SeeLeveL RV 2.0 is the comprehensive alarm system. Set up customizable alarms for low and high tank levels, receiving timely notifications when attention is required. Say goodbye to unexpected water shortages or messy overflows. Stay proactive and maintain optimal tank levels for a worry-free RV experience. The app's intuitive interface and Auto-Connect feature ensure easy access to vital information directly from the Home Screen. Effortlessly navigate through the app, access tank data, and make adjustments with ease. Connect seamlessly with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor via Bluetooth, establishing a reliable and efficient connection for accurate data synchronization. Download the app today and unlock a new level of tank monitoring and control for your RV adventures. Please note that SeeLeveL RV requires compatibility with the SeeLeveL II 709-BTP3 or 709-BTP7 tank monitor for optimal functionality. For more information contact us as 1-800-617-7384
Tru
Read full descriptionHide full description
Complete camper and RV heating management, reimagined for iOS — now with Apple Watch, CarPlay, and Home Screen widget support. External hardware required: a self-hosted MQTT/BLE gateway device, configured and provided by the user (not included, not manufactured or sold by MF-Lab). CONTROL FROM YOUR IPHONE Monitor temperatures, adjust heating modes, and manage hot water settings directly from your iPhone. Choose Bluetooth for local, offline control or MQTT for remote access from anywhere. • Dual connectivity: Bluetooth (BLE) and MQTT • Real-time temperature monitoring • Battery voltage tracking with visual indicators • Detailed error code explanations • Hot water control (OFF/ECO/HIGH/BOOST) • Energy mix selection (Gas/Electric/Mix) • Background operation support ON YOUR WRIST A dedicated Apple Watch app shows live status at a glance — room and water temperature, battery, connection state — and lets you adjust the room temperature or switch heating modes without reaching for your phone. Get an alert right on your wrist the moment something needs attention. IN THE CAR Check your camper's status from the CarPlay screen while you drive: connection status, temperature, battery, and heating mode, laid out for a quick glance with minimal distraction. ON YOUR HOME SCREEN Add the Tru-Control widget to see your heater's last known status without even opening the app. Real-time updates, detailed diagnostics, and intuitive controls make managing your camper's climate effortless — from your pocket, your wrist, your car, or your Home Screen. Tru-Control is an independent, unofficial application and is not affiliated with, endorsed by, or sponsored by any heating system manufacturer. This app uses the standard Apple End User License Agreement (EULA), available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Tru at every 6 days against SeeLeveL Sync's every 2 months. SeeLeveL Sync's advantage is iOS requirement (13.4 vs 18.2). 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.
SeeLeveL Sync ships an update every 2 months, Tru every 6 days. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.
| Parameter | SeeLeveL Sync | Tru |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (5 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.4 — better | 18.2 |
| Further details — not scored | ||
| Size | 25 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Garnet Instruments Ltd. | Marco Frigerio |
In-app purchases
SeeLeveL Sync
No in-app purchases
Tru
No in-app purchases









