# OSUN2 vs 이보아 EVOA

The clearest difference is update cadence: 이보아 EVOA at every 2 weeks against OSUN2's every 28 months. OSUN2's advantage is iOS requirement (9.0 vs 13.0). 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.

OSUN2 ships an update every 28 months, 이보아 EVOA every 2 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | OSUN2 | 이보아 EVOA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 36 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen YOUNG WIN Technology Co., Ltd.](https://appshunter.io/developer/1405507279) | [엔모션](https://appshunter.io/developer/1633404663) |

## What reviewers say

### OSUN2

[App page](https://appshunter.io/ios/app/osun2/id1504606789)

**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 OSUN2 free?

OSUN2 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 OSUN2 or 이보아 EVOA have ads?

Neither OSUN2 nor 이보아 EVOA shows ads.

### Which is updated more often, OSUN2 or 이보아 EVOA?

OSUN2 ships an update every 28 months, and 이보아 EVOA every 2 weeks. Most recently, OSUN2 was updated on October 3, 2026 and 이보아 EVOA on October 13, 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.*