# iViWater vs AQS

The clearest difference is update cadence: iViWater at fortnightly against AQS's every 5 weeks. iViWater also leads on iOS requirement (10.0 vs 16.0). 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.

iViWater ships an update fortnightly, AQS every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iViWater | AQS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/iviwater/id1229614149/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 42 MB | 70 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ban Nguyen](https://appshunter.io/developer/1020054005) | [Aquarius-Spectrum](https://appshunter.io/developer/1613033707) |

## What reviewers say

### iViWater

[App page](https://appshunter.io/ios/app/iviwater/id1229614149)

This application allows operators to easily monitor and manage water distribution networks on iOS devices. It connects to a server that collects data from sensors deployed throughout the network, providing convenient access to real-time information.

**Highlights:** Water distribution network monitoring, Data management, Remote access via iOS devices, Server data synchronization, GSM mobile network data transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### AQS

[App page](https://appshunter.io/ios/app/aqs-sys-app/id1613033435)

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

**In-app purchases:** none


## Frequently asked questions

### Is iViWater free?

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

### Is AQS free?

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

### Do iViWater or AQS have ads?

Neither iViWater nor AQS shows ads.

### Which is updated more often, iViWater or AQS?

iViWater ships an update fortnightly, and AQS every 5 weeks. Most recently, iViWater was updated on November 2, 2026 and AQS on November 3, 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.*