# HWM WebCorr App vs TSI Flowmeter

The clearest difference is iOS requirement: HWM WebCorr App at 13.0 against TSI Flowmeter'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.

HWM WebCorr App ships an update every 2 months, TSI Flowmeter monthly. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | HWM WebCorr App | TSI Flowmeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 99 MB | 51 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HWM-Water Ltd](https://appshunter.io/developer/1250353559) | [TSI Flowmeters Ltd](https://appshunter.io/developer/1578495651) |

## What reviewers say

### HWM WebCorr App

[App page](https://appshunter.io/ios/app/hwm-webcorr-app/id1463414946)

**In-app purchases:** none


### TSI Flowmeter

[App page](https://appshunter.io/ios/app/tsi-flowmeter/id1578495648)

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

**In-app purchases:** none


## Frequently asked questions

### Is HWM WebCorr App free?

HWM WebCorr App is free to download, with no in-app purchases.

### Is TSI Flowmeter free?

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

### Do HWM WebCorr App or TSI Flowmeter have ads?

Neither HWM WebCorr App nor TSI Flowmeter shows ads.

### Which is updated more often, HWM WebCorr App or TSI Flowmeter?

HWM WebCorr App ships an update every 2 months, and TSI Flowmeter monthly. Most recently, HWM WebCorr App was updated on October 12, 2026 and TSI Flowmeter on October 20, 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.*