# WatchMate vs EV COSMOS+

The clearest difference is review sentiment: EV COSMOS+ at 100% against WatchMate's 44%. WatchMate's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

WatchMate ships an update every 2 months, EV COSMOS+ monthly. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | WatchMate | EV COSMOS+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/watchmate/id557485481/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 44.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 14 MB | 39 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Garmin New Zealand Ltd](https://appshunter.io/developer/557485484) | [Teliolabs Communications Inc](https://appshunter.io/developer/1636849398) |

## What reviewers say

### WatchMate

[App page](https://appshunter.io/ios/app/watchmate/id557485481)

This app provides remote control and situational awareness for your Vesper Marine AIS Transponder. View AIS targets, manage alarms, and control transponder settings directly from your mobile device.

**Highlights:** View AIS targets, Manage collision prevention alarms, Control Anchor Watch alarm, View GPS position, course, and speed, Remote control transponder settings, Configure vessel AIS static data, Perform firmware upgrades

**In-app purchases:** none


### EV COSMOS+

[App page](https://appshunter.io/ios/app/ev-cosmos-plus/id6446350180)

Find and charge your electric vehicle at nearby stations with real-time status updates. Book spots in advance to avoid queues and enjoy a hassle-free charging experience.

**Highlights:** Real-time charging station status, Charger reliability and payments, Intuitive user interface, Search filters for stations, Advance spot booking, Wallet recharge

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

**In-app purchases:** none


## Frequently asked questions

### Is WatchMate free?

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

### Is EV COSMOS+ free?

EV COSMOS+ is free to download, with no in-app purchases.

### Do WatchMate or EV COSMOS+ have ads?

Neither WatchMate nor EV COSMOS+ shows ads.

### Which is updated more often, WatchMate or EV COSMOS+?

WatchMate ships an update every 2 months, and EV COSMOS+ monthly. Most recently, WatchMate was updated on June 1, 2026 and EV COSMOS+ on September 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.*