# GPS Measure vs WetRuler

The clearest difference is update cadence: GPS Measure at every 3 months against WetRuler's every 43 months. GPS Measure also leads on ratings volume (103 vs 1) and iOS requirement (11.0 vs 15.5). WetRuler's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model there is nothing between them.

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

WetRuler holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: GPS Measure has 103 ratings behind it against 1, so its average is the more settled of the two.

GPS Measure ships an update every 3 months, WetRuler every 43 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | GPS Measure | WetRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (103 ratings)](https://appshunter.io/ios/app/gps-measure/id1439677549/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wetruler/id1445381420/reviews)** |
| Number of ratings | **103** | 1 |
| Positive reviews | 74.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 43 months |
| Monetization | Free | Free |
| Size | 8 MB | 1 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shota Utsumi](https://appshunter.io/developer/1244722433) | [Robert Werner](https://appshunter.io/developer/1445381419) |

## What reviewers say

### GPS Measure

[App page](https://appshunter.io/ios/app/gps-measure/id1439677549)

Measure routes, time, speed, distance, direction, and altitude using GPS. Customize units and targets to track the speed of various vehicles, including airplanes and ships. Note that GPS functionality is limited in tunnels or underground.

**Highlights:** Route tracking on map, Time measurement, Speed tracking, Distance measurement, Direction tracking, Altitude measurement, Customizable units

**Features:** Vision Pro support

**In-app purchases:** none


### WetRuler

[App page](https://appshunter.io/ios/app/wetruler/id1445381420)

This augmented reality application measures and weighs fish using your device's camera. Simply place your catch on a surface, select the fish type, and the app will estimate its length and approximate weight. It also records a photo of your catch with the measurements displayed.

**Highlights:** AR measurement grid, Fish type selection, Approximate weight and length calculation, Records catch photos with data, Works in water for catch and release, Supports large fish up to 10 feet

**In-app purchases:** none


## Frequently asked questions

### Is GPS Measure free?

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

### Is WetRuler free?

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

### Which has better reviews, GPS Measure or WetRuler?

WetRuler is rated higher. GPS Measure averages 4.7 out of 5 from 103 ratings, while WetRuler averages 5.0 from 1 ratings.

### Do GPS Measure or WetRuler have ads?

Neither GPS Measure nor WetRuler shows ads.

### Which is updated more often, GPS Measure or WetRuler?

GPS Measure ships an update every 3 months, and WetRuler every 43 months. Most recently, GPS Measure was updated on November 2, 2026 and WetRuler on November 2, 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.*