# RVLock Keyless vs Tank Sensor by EchoCheck

The clearest difference is rating: RVLock Keyless at 3.0 against Tank Sensor by EchoCheck's 2.0. Tank Sensor by EchoCheck's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RVLock Keyless holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

RVLock Keyless ships an update every 2 months, Tank Sensor by EchoCheck every 3 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | RVLock Keyless | Tank Sensor by EchoCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (6 ratings)](https://appshunter.io/ios/app/rvlock-keyless/id1515500690/reviews)** | [2.0 (5 ratings)](https://appshunter.io/ios/app/tank-sensor-by-echocheck/id6466607919/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 42 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RVLock & Co LLC](https://appshunter.io/developer/1505739920) | [Thincke Electronic Technology Co., Ltd.](https://appshunter.io/developer/1681561680) |

## What reviewers say

### RVLock Keyless

[App page](https://appshunter.io/ios/app/rvlock-keyless/id1515500690)

This app allows you to unlock your RV or travel trailer using your smartphone. It connects to a keyless RVLock system, offering a convenient alternative to traditional keys. Manage your RV's access with your phone, FOB, or keypad.

**Highlights:** Unlock RV with smartphone, Connects to keyless RVLock, Use FOB, keypad, or smartphone, Replaces traditional keys, BT Pro+ upgrade integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Tank Sensor by EchoCheck

[App page](https://appshunter.io/ios/app/tank-sensor-by-echocheck/id6466607919)

This utility app provides instant information about your propane tank's gas level. It connects wirelessly to a sensor on your tank, allowing you to monitor fuel status remotely.

**Highlights:** Instant gas level monitoring, Wireless sensor connection, Remote fuel status tracking, Propane tank level alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RVLock Keyless free?

RVLock Keyless is free to download, with no in-app purchases.

### Is Tank Sensor by EchoCheck free?

Tank Sensor by EchoCheck is free to download, with no in-app purchases.

### Which has better reviews, RVLock Keyless or Tank Sensor by EchoCheck?

RVLock Keyless is rated higher. RVLock Keyless averages 3.0 out of 5 from 6 ratings, while Tank Sensor by EchoCheck averages 2.0 from 5 ratings.

### Do RVLock Keyless or Tank Sensor by EchoCheck have ads?

Neither RVLock Keyless nor Tank Sensor by EchoCheck shows ads.

### Which is updated more often, RVLock Keyless or Tank Sensor by EchoCheck?

RVLock Keyless ships an update every 2 months, and Tank Sensor by EchoCheck every 3 weeks. Most recently, RVLock Keyless was updated on October 24, 2026 and Tank Sensor by EchoCheck on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*