# mWater Surveyor vs GC Flowmeter App

The clearest difference is update cadence: GC Flowmeter App at every 9 days against mWater Surveyor's every 4 weeks. mWater Surveyor's advantage is iOS requirement (12.0 vs 16.6). 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.

mWater Surveyor ships an update every 4 weeks, GC Flowmeter App every 9 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | mWater Surveyor | GC Flowmeter App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/mwater-surveyor/id1161954151/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Free | — |
| Size | 57 MB | 115 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [mWater Foundation Inc](https://appshunter.io/developer/1161954150) | [Aquametrics Sarl](https://appshunter.io/developer/6787924997) |

## What reviewers say

### mWater Surveyor

[App page](https://appshunter.io/ios/app/mwater-surveyor/id1161954151)

This utility app allows users to map and monitor various sites, including water points, sanitation facilities, schools, and communities, using mobile surveys. It supports offline functionality and enables custom form design and data management via a web portal.

**Highlights:** Map water points, sanitation facilities, schools, clinics, and communities, Conduct mobile surveys, Offline functionality, Design custom forms, Manage data via web portal

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

**In-app purchases:** none


### GC Flowmeter App

[App page](https://appshunter.io/ios/app/gc-flowmeter-app/id6787924995)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is mWater Surveyor free?

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

### Is GC Flowmeter App free?

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

### Do mWater Surveyor or GC Flowmeter App have ads?

Neither mWater Surveyor nor GC Flowmeter App shows ads.

### Which is updated more often, mWater Surveyor or GC Flowmeter App?

mWater Surveyor ships an update every 4 weeks, and GC Flowmeter App every 9 days. Most recently, mWater Surveyor was updated on November 2, 2026 and GC Flowmeter App on October 31, 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.*