# 워터 Water vs 이보아 EVOA

The clearest difference is review sentiment: 워터 Water at 64% against 이보아 EVOA's 45%. 이보아 EVOA's advantage is iOS requirement (13.0 vs 17.2). 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.

워터 Water ships an update every 2 weeks, 이보아 EVOA fortnightly. The most recent releases landed on September 27, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 워터 Water | 이보아 EVOA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/water/id1633980849/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **63.6% of reviews** | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 94 MB | 36 MB |
| Requires iOS | 17.2 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [브라이트에너지파트너스(주)](https://appshunter.io/developer/1633980851) | [엔모션](https://appshunter.io/developer/1633404663) |

## What reviewers say

### 워터 Water

[App page](https://appshunter.io/ios/app/water/id1633980849)

Easily find and use fast EV charging stations on your route. The app simplifies the entire process, from locating chargers to completing payments, ensuring a convenient charging experience for electric vehicle owners.

**Highlights:** Find highway and urban fast charging stations, 350kW ultra-fast charging, Automatic charging start after initial setup, Route-based charging station search, Real-time charging status monitoring, Supports Tesla with DC combo adapter, In-app payment without membership card

**Features:** macOS Compatibility

**In-app purchases:** none


### 이보아 EVOA

[App page](https://appshunter.io/ios/app/evoa-obd/id6479380429)

This app offers advanced diagnostics for electric vehicles, focusing on battery health and real-time component monitoring. It helps owners understand battery lifespan, motor efficiency, and detect fault codes. Requires a dedicated OBD device for full functionality.

**Highlights:** Real-time battery monitoring (voltage, current, cell voltage), State of Charge (SoC) analysis, EV motor efficiency diagnostics, Auxiliary battery monitoring, Fault code detection, Battery temperature tracking, Driver scoring system

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

**In-app purchases:** none


## Frequently asked questions

### Is 워터 Water free?

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

### Is 이보아 EVOA free?

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

### Do 워터 Water or 이보아 EVOA have ads?

Neither 워터 Water nor 이보아 EVOA shows ads.

### Which is updated more often, 워터 Water or 이보아 EVOA?

워터 Water ships an update every 2 weeks, and 이보아 EVOA fortnightly. Most recently, 워터 Water was updated on September 27, 2026 and 이보아 EVOA on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*