# ARCO Zeus vs SeeLeveL Sync

The clearest difference is review sentiment: ARCO Zeus at 50% against SeeLeveL Sync's 0%. ARCO Zeus also leads on rating (4.3 vs 2.4). SeeLeveL Sync's advantage is iOS requirement (13.4 vs 15.6). On price, ratings volume, update cadence 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.

ARCO Zeus holds the better App Store score, 4.3 against 2.4. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 50% of ARCO Zeus's written reviews are positive against 0% of SeeLeveL Sync's.

ARCO Zeus ships an update every 6 weeks, SeeLeveL Sync every 2 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ARCO Zeus | SeeLeveL Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/arco-zeus/id6446371700/reviews)** | [2.4 (5 ratings)](https://appshunter.io/ios/app/seelevel-sync/id6451456679/reviews) |
| Number of ratings | **6** | 5 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 97 MB | 25 MB |
| Requires iOS | 15.6 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dominic Policicchio](https://appshunter.io/developer/1710463382) | [Garnet Instruments Ltd.](https://appshunter.io/developer/1148117796) |

## What reviewers say

### ARCO Zeus

[App page](https://appshunter.io/ios/app/arco-zeus/id6446371700)

Configure, control, and monitor your ARCO Smart Regulator. Customize charging profiles and safety limits for optimal system performance. Offers default profiles for quick setup or expert tuning.

**Highlights:** Configure ARCO Smart Regulator, Monitor system performance, Customize charging profiles, Set safety limits, Choose default battery profiles, Expert tuning assistance

**Features:** macOS Compatibility

**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 ARCO Zeus free?

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

### Is SeeLeveL Sync free?

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

### Which has better reviews, ARCO Zeus or SeeLeveL Sync?

ARCO Zeus is rated higher. ARCO Zeus averages 4.3 out of 5 from 6 ratings, while SeeLeveL Sync averages 2.4 from 5 ratings.

### Do ARCO Zeus or SeeLeveL Sync have ads?

Neither ARCO Zeus nor SeeLeveL Sync shows ads.

### Which is updated more often, ARCO Zeus or SeeLeveL Sync?

ARCO Zeus ships an update every 6 weeks, and SeeLeveL Sync every 2 months. Most recently, ARCO Zeus was updated on October 3, 2026 and SeeLeveL Sync on October 9, 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.*