# Pool Filter Pro CirrusSense vs Busch Pfeiffer

The clearest difference is iOS requirement: Pool Filter Pro CirrusSense at 14.0 against Busch Pfeiffer's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Pool Filter Pro CirrusSense ships an update every 3 weeks, Busch Pfeiffer fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Pool Filter Pro CirrusSense | Busch Pfeiffer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/pool-filter-pro-cirrussense/id1499010060/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 3 MB | 142 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [transducers direct llc](https://appshunter.io/developer/663789453) | [Busch Dienste GmbH](https://appshunter.io/developer/1655082856) |

## What reviewers say

### Pool Filter Pro CirrusSense

[App page](https://appshunter.io/ios/app/pool-filter-pro-cirrussense/id1499010060)

Monitor your pool filter and pump pressure remotely with this app. It connects to a Bluetooth sensor to provide real-time and historical pressure readings, eliminating the need for manual checks.

**Highlights:** Wireless pressure monitoring, Real-time pressure readings, Historical pressure tracking, Long-range Bluetooth communication, Supports variable speed pumps

**Features:** macOS Compatibility

**In-app purchases:** none


### Busch Pfeiffer

[App page](https://appshunter.io/ios/app/busch-pfeiffer/id6758831459)

**In-app purchases:** none


## Frequently asked questions

### Is Pool Filter Pro CirrusSense free?

Pool Filter Pro CirrusSense is free to download, with no in-app purchases.

### Is Busch Pfeiffer free?

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

### Do Pool Filter Pro CirrusSense or Busch Pfeiffer have ads?

Neither Pool Filter Pro CirrusSense nor Busch Pfeiffer shows ads.

### Which is updated more often, Pool Filter Pro CirrusSense or Busch Pfeiffer?

Pool Filter Pro CirrusSense ships an update every 3 weeks, and Busch Pfeiffer fortnightly. Most recently, Pool Filter Pro CirrusSense was updated on October 24, 2026 and Busch Pfeiffer on October 28, 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.*