# mWater Surveyor vs Flat Wallet

The clearest difference is update cadence: Flat Wallet at every 2 weeks against mWater Surveyor's every 4 weeks. mWater Surveyor's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads 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.

mWater Surveyor ships an update every 4 weeks, Flat Wallet every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | mWater Surveyor | Flat Wallet |
| --- | --- | --- |
| 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 weeks** |
| Monetization | Free | — |
| Size | 57 MB | 2 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mWater Foundation Inc](https://appshunter.io/developer/1161954150) | [Tomasz Pikc](https://appshunter.io/developer/1372449990) |

## 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


### Flat Wallet

[App page](https://appshunter.io/ios/app/flat-wallet/id6758350566)

**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 Flat Wallet free?

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

### Do mWater Surveyor or Flat Wallet have ads?

Neither mWater Surveyor nor Flat Wallet shows ads.

### Which is updated more often, mWater Surveyor or Flat Wallet?

mWater Surveyor ships an update every 4 weeks, and Flat Wallet every 2 weeks. Most recently, mWater Surveyor was updated on November 2, 2026 and Flat Wallet on October 31, 2026.

---

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