# Mum Button by Renault vs Shelvo

The clearest difference is in-app purchases: Mum Button by Renault at none against Shelvo's 2. Mum Button by Renault also leads on iOS requirement (11.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Shelvo sells 2 in-app purchases, starting at $1.99 per month. Mum Button by Renault asks for nothing beyond the download.

Mum Button by Renault ships an update every 2 weeks, Shelvo every 8 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mum Button by Renault | Shelvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mum-button-by-renault/id1377637088/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free | — |
| Size | 16 MB | 49 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Renault](https://appshunter.io/developer/371642579) | [Caglar Enes Sezgun](https://appshunter.io/developer/6804449991) |

## What reviewers say

### Mum Button by Renault

[App page](https://appshunter.io/ios/app/mum-button-by-renault/id1377637088)

This app pairs with a physical button to send a pre-set SMS to a chosen contact upon arrival at your destination. It allows users to set up the recipient and personalize the message for peace of mind.

**Highlights:** Send arrival SMS with one click, Set up and personalize messages, Choose a designated recipient, Pair with a physical connected button, Reassure loved ones of your arrival

**Features:** macOS Compatibility

**In-app purchases:** none


### Shelvo

[App page](https://appshunter.io/ios/app/shelvo-collection-tracker/id6804449838)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shelvo Pro | $1.99 | per month |
| Founding Supporter | $9.99 | one-time |


## Frequently asked questions

### Is Mum Button by Renault free?

Mum Button by Renault is free to download, with no in-app purchases.

### Is Shelvo free?

Shelvo is free to download, with in-app purchases available.

### Do Mum Button by Renault or Shelvo have ads?

Neither Mum Button by Renault nor Shelvo shows ads.

### Which is updated more often, Mum Button by Renault or Shelvo?

Mum Button by Renault ships an update every 2 weeks, and Shelvo every 8 days. Most recently, Mum Button by Renault was updated on November 2, 2026 and Shelvo on October 31, 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.*