# GaugeWatcher vs Inclinometer Pro

The clearest difference is price: GaugeWatcher at Free against Inclinometer Pro's $0.99. GaugeWatcher also leads on update cadence (weekly vs every 6 months). Inclinometer Pro's advantage is iOS requirement (16.6 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

GaugeWatcher is free to download; Inclinometer Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GaugeWatcher ships an update weekly, Inclinometer Pro every 6 months. The most recent releases landed on September 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | GaugeWatcher | Inclinometer Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | No |
| Update frequency | **Weekly** | Every 6 months |
| Monetization | Free | — |
| Size | 37 MB | 2 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Althage](https://appshunter.io/developer/1631629264) | [ERLEND JOHNSRUD VAAGE](https://appshunter.io/developer/1760100550) |

## 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


### Inclinometer Pro

[App page](https://appshunter.io/ios/app/inclinometer-pro/id6742665082)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GaugeWatcher free?

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

### Is Inclinometer Pro free?

Inclinometer Pro costs $0.99, with no in-app purchases.

### Do GaugeWatcher or Inclinometer Pro have ads?

Neither GaugeWatcher nor Inclinometer Pro shows ads.

### Which is updated more often, GaugeWatcher or Inclinometer Pro?

GaugeWatcher ships an update weekly, and Inclinometer Pro every 6 months. Most recently, GaugeWatcher was updated on September 1, 2026 and Inclinometer Pro on September 22, 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.*