# Prim Prim vs Eau de TM

The clearest difference is update cadence: Prim Prim at every 6 weeks against Eau de TM's every 3 months. Eau de TM's advantage is review sentiment (42% vs 32%) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Prim Prim ships an update every 6 weeks, Eau de TM every 3 months. The most recent releases landed on September 21, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | Prim Prim | Eau de TM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eau-de-tm/id1500421297/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 32.0% of reviews | **41.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 23 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MERCIALYS](https://appshunter.io/developer/562991464) | [SETOM](https://appshunter.io/developer/1500421296) |

## What reviewers say

### Prim Prim

[App page](https://appshunter.io/ios/app/prim-prim/id987469094)

This app offers a new loyalty program to increase your purchasing power. You can get exclusive shopping vouchers during mall events. Ensure your device runs iOS 14 or later.

**Highlights:** Exclusive shopping vouchers, Loyalty program benefits, Mall event promotions, Increased purchasing power

**Features:** macOS Compatibility

**In-app purchases:** none


### Eau de TM

[App page](https://appshunter.io/ios/app/eau-de-tm/id1500421297)

Manage your water consumption and billing with this app. Track usage, pay bills, and access important documents like your last invoice. Stay informed about local water quality and any ongoing work in your commune.

**Highlights:** View consumption history, Monitor daily and monthly usage, Pay bills online, Submit meter readings, Download invoices, Check water quality, Update personal information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prim Prim free?

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

### Is Eau de TM free?

Eau de TM is free to download, with no in-app purchases.

### Do Prim Prim or Eau de TM have ads?

Neither Prim Prim nor Eau de TM shows ads.

### Which is updated more often, Prim Prim or Eau de TM?

Prim Prim ships an update every 6 weeks, and Eau de TM every 3 months. Most recently, Prim Prim was updated on September 21, 2026 and Eau de TM on June 22, 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.*