# PoolSense vs MarsBMS

The clearest difference is update cadence: MarsBMS at daily against PoolSense's every 2 months. PoolSense's advantage is iOS requirement (10.0 vs 13.0). 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.

PoolSense ships an update every 2 months, MarsBMS daily. The most recent releases landed on September 22, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PoolSense | MarsBMS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Free | — |
| Size | 37 MB | 52 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Heesen](https://appshunter.io/developer/1139674066) | [卓文 梁](https://appshunter.io/developer/1759304348) |

## What reviewers say

### PoolSense

[App page](https://appshunter.io/ios/app/poolsense/id1288535609)

This app provides a smartphone interface for a smart IoT device that connects your swimming pool to your mobile phone. Monitor and manage your pool remotely through this intuitive application.

**Highlights:** Connects pool to smartphone, IoT device interface, Remote pool monitoring, Smart pool management

**Features:** macOS Compatibility

**In-app purchases:** none


### MarsBMS

[App page](https://appshunter.io/ios/app/marsbms/id6758932685)

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

**In-app purchases:** none


## Frequently asked questions

### Is PoolSense free?

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

### Is MarsBMS free?

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

### Do PoolSense or MarsBMS have ads?

Neither PoolSense nor MarsBMS shows ads.

### Which is updated more often, PoolSense or MarsBMS?

PoolSense ships an update every 2 months, and MarsBMS daily. Most recently, PoolSense was updated on September 22, 2026 and MarsBMS on October 2, 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.*