# LiquidSpring vs SeeLeveL Sync

The clearest difference is update cadence: SeeLeveL Sync at every 2 months against LiquidSpring's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

LiquidSpring ships an update every 4 months, SeeLeveL Sync every 2 months. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | LiquidSpring | SeeLeveL Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (5 ratings)](https://appshunter.io/ios/app/seelevel-sync/id6451456679/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 78 MB | 25 MB |
| Requires iOS | 14.2 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LiquidSpring](https://appshunter.io/developer/1690587817) | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) |

## What reviewers say

### LiquidSpring

[App page](https://appshunter.io/ios/app/liquidspring/id6449782295)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SeeLeveL Sync

[App page](https://appshunter.io/ios/app/seelevel-sync/id6451456679)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LiquidSpring free?

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

### Is SeeLeveL Sync free?

SeeLeveL Sync is free to download, with no in-app purchases.

### Do LiquidSpring or SeeLeveL Sync have ads?

Neither LiquidSpring nor SeeLeveL Sync shows ads.

### Which is updated more often, LiquidSpring or SeeLeveL Sync?

LiquidSpring ships an update every 4 months, and SeeLeveL Sync every 2 months. Most recently, LiquidSpring was updated on September 13, 2026 and SeeLeveL Sync on September 23, 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.*