# On.e vs Mon Eau SEMM

The clearest difference is rating: Mon Eau SEMM at 5.0 against On.e's 3.0. Mon Eau SEMM also leads on review sentiment (71% vs 34%) and iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Mon Eau SEMM holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 34% of On.e's written reviews are positive against 71% of Mon Eau SEMM's.

On.e ships an update every 4 months, Mon Eau SEMM every 2 months. The most recent releases landed on August 18, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | On.e | Mon Eau SEMM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/one/id1584322829/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mon-eau-semm/id6449600735/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.9% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 40 MB | 24 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACIS (AQUA CONSULT INDUSTRIE SERVICES)](https://appshunter.io/developer/1436593941) | [Cap6](https://appshunter.io/developer/725550509) |

## What reviewers say

### On.e

[App page](https://appshunter.io/ios/app/one/id1584322829)

Control your pool's filtration and lighting remotely via Bluetooth. Adjust modes, set schedules, and customize light colors directly from your smartphone.

**Highlights:** Bluetooth pool control, Filtration mode adjustment, Lighting mode adjustment, Color changing lights, Scheduled operation

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

**In-app purchases:** none


### Mon Eau SEMM

[App page](https://appshunter.io/ios/app/mon-eau-semm/id6449600735)

Manage your water consumption and budget with this app. Track usage, set alerts, pay bills, and access water quality information for your municipality. It offers convenient online service requests and payment options.

**Highlights:** Track water consumption history, Set daily/monthly consumption alerts, Simulate annual water usage, Pay bills and view invoices, Submit meter readings, Access water quality information, Manage personal contract information

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

**In-app purchases:** none


## Frequently asked questions

### Is On.e free?

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

### Is Mon Eau SEMM free?

Mon Eau SEMM is free to download, with no in-app purchases.

### Which has better reviews, On.e or Mon Eau SEMM?

Mon Eau SEMM is rated higher. On.e averages 3.0 out of 5 from 2 ratings, while Mon Eau SEMM averages 5.0 from 1 ratings.

### Do On.e or Mon Eau SEMM have ads?

Neither On.e nor Mon Eau SEMM shows ads.

### Which is updated more often, On.e or Mon Eau SEMM?

On.e ships an update every 4 months, and Mon Eau SEMM every 2 months. Most recently, On.e was updated on August 18, 2026 and Mon Eau SEMM on September 6, 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.*