# BWT Pool Manager vs InstaMeasure

The clearest difference is update cadence: InstaMeasure at every 3 months against BWT Pool Manager's every 30 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.

BWT Pool Manager ships an update every 30 months, InstaMeasure every 3 months. The most recent releases landed on June 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | BWT Pool Manager | InstaMeasure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 3 months** |
| Size | 43 MB | 16 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [BWT Aktiengesellschaft](https://appshunter.io/developer/988401841) | [Tradecom NV](https://appshunter.io/developer/880913731) |

## What reviewers say

### BWT Pool Manager

[App page](https://appshunter.io/ios/app/bwt-pool-manager/id6464371075)

**Features:** macOS Compatibility

**In-app purchases:** none


### InstaMeasure

[App page](https://appshunter.io/ios/app/instameasure/id6621224262)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BWT Pool Manager free?

BWT Pool Manager is free to download, with no in-app purchases.

### Is InstaMeasure free?

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

### Do BWT Pool Manager or InstaMeasure have ads?

Neither BWT Pool Manager nor InstaMeasure shows ads.

### Which is updated more often, BWT Pool Manager or InstaMeasure?

BWT Pool Manager ships an update every 30 months, and InstaMeasure every 3 months. Most recently, BWT Pool Manager was updated on June 9, 2026 and InstaMeasure on September 8, 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.*