# SeeLeveL Sync vs SpringAir

SeeLeveL Sync and SpringAir are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | SeeLeveL Sync | SpringAir |
| --- | --- | --- |
| 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 2 months | — |
| Monetization | Free | — |
| Size | 25 MB | 20 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) | [Keeson Technology Corporation Limited](https://appshunter.io/developer/1561275126) |

## What reviewers say

### 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


### SpringAir

[App page](https://appshunter.io/ios/app/springair/id6740219487)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SeeLeveL Sync free?

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

### Is SpringAir free?

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

### Do SeeLeveL Sync or SpringAir have ads?

Neither SeeLeveL Sync nor SpringAir shows ads.

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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.*