# GaugeWatcher vs Flow Alert

The clearest difference is device support: GaugeWatcher at 2 against Flow Alert's —. Flow Alert's advantage is iOS requirement (15.0 vs 18.0). On price 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.

## The numbers

| Metric | GaugeWatcher | Flow Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gaugewatcher/id6498313776/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 37 MB | 39 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Althage](https://appshunter.io/developer/1631629264) | [Shaina Schwartzel](https://appshunter.io/developer/1873818873) |

## What reviewers say

### GaugeWatcher

[App page](https://appshunter.io/ios/app/gaugewatcher/id6498313776)

Access real-time river flow data without needing an account or encountering advertisements. Discover nearby gauges, monitor flow rates, and save your preferred locations for quick access.

**Highlights:** Real-time river flow data, Discover nearby gauges, Check flow rates, Bookmark favorite gauges, No signup required, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Alert

[App page](https://appshunter.io/ios/app/flow-alert/id6758588550)

**In-app purchases:** none


## Frequently asked questions

### Is GaugeWatcher free?

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

### Is Flow Alert free?

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

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*