# mWater Surveyor vs KAPsurvey

The clearest difference is update cadence: mWater Surveyor at every 4 weeks against KAPsurvey's every 2 months. mWater Surveyor also leads on iOS requirement (12.0 vs 15.1). 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, KAPsurvey every 2 months. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | mWater Surveyor | KAPsurvey |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free | — |
| Size | 57 MB | 28 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [mWater Foundation Inc](https://appshunter.io/developer/1161954150) | [International Advisory, Products and Systems](https://appshunter.io/developer/1770536326) |

## 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


### KAPsurvey

[App page](https://appshunter.io/ios/app/kapsurvey/id6717611279)

**Features:** macOS Compatibility, 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 KAPsurvey free?

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

### Do mWater Surveyor or KAPsurvey have ads?

Neither mWater Surveyor nor KAPsurvey shows ads.

### Which is updated more often, mWater Surveyor or KAPsurvey?

mWater Surveyor ships an update every 4 weeks, and KAPsurvey every 2 months. Most recently, mWater Surveyor was updated on November 2, 2026 and KAPsurvey on November 8, 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.*