# Lifewatcher vs Ratio EV Charging

The clearest difference is update cadence: Lifewatcher at every 3 weeks against Ratio EV Charging's every 3 months. Lifewatcher also leads on iOS requirement (12.4 vs 18.6). 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.

Lifewatcher ships an update every 3 weeks, Ratio EV Charging every 3 months. The most recent releases landed on July 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lifewatcher | Ratio EV Charging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/lifewatcher/id1521627494/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 173 MB | 28 MB |
| Requires iOS | **12.4** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lifewatcher B.V.](https://appshunter.io/developer/1521627496) | [Ratio Electric](https://appshunter.io/developer/1608905090) |

## What reviewers say

### Lifewatcher

[App page](https://appshunter.io/ios/app/lifewatcher/id1521627494)

This app connects to specific GPS watches and SOS buttons, providing a direct link to loved ones or caregivers with a single button press. It utilizes GPS and Wi-Fi positioning for accurate location tracking indoors and outdoors.

**Highlights:** GPS and Wi-Fi positioning, One-button SOS alerts, Connects to LifeWatcher devices, Real-time location tracking, Direct contact with loved ones

**Features:** macOS Compatibility

**In-app purchases:** none


### Ratio EV Charging

[App page](https://appshunter.io/ios/app/ratio-ev-charging/id1608905088)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lifewatcher free?

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

### Is Ratio EV Charging free?

Ratio EV Charging is free to download, with no in-app purchases.

### Do Lifewatcher or Ratio EV Charging have ads?

Neither Lifewatcher nor Ratio EV Charging shows ads.

### Which is updated more often, Lifewatcher or Ratio EV Charging?

Lifewatcher ships an update every 3 weeks, and Ratio EV Charging every 3 months. Most recently, Lifewatcher was updated on July 6, 2026 and Ratio EV Charging on September 9, 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.*