# Biifore vs WattEver (EV 배터리 인증서 발급 서비스)

The clearest difference is update cadence: WattEver (EV 배터리 인증서 발급 서비스) at every 5 days against Biifore's every 3 weeks. WattEver (EV 배터리 인증서 발급 서비스) also leads on iOS requirement (15.6 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.

Biifore ships an update every 3 weeks, WattEver (EV 배터리 인증서 발급 서비스) every 5 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Biifore | WattEver (EV 배터리 인증서 발급 서비스) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/biifore/id6448490498/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 79 MB | 57 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HEI Corp.](https://appshunter.io/developer/1684877971) | [PMGROW](https://appshunter.io/developer/1544006130) |

## What reviewers say

### Biifore

[App page](https://appshunter.io/ios/app/biifore/id6448490498)

Monitor your electric vehicle's battery health proactively. Get a quick and accurate assessment of battery deterioration without needing to visit a service center. Regular use ensures more precise diagnostics for a greener and safer tomorrow.

**Highlights:** Proactive EV battery care, Fast, simple, accurate assessment, No service center visit required, Diagnoses within 1 minute after charging, Monitors current and future battery states, Uses patented HEI technology

**In-app purchases:** none


### WattEver (EV 배터리 인증서 발급 서비스)

[App page](https://appshunter.io/ios/app/wattever-ev/id6761879798)

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

**In-app purchases:** none


## Frequently asked questions

### Is Biifore free?

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

### Is WattEver (EV 배터리 인증서 발급 서비스) free?

WattEver (EV 배터리 인증서 발급 서비스) is free to download, with no in-app purchases.

### Do Biifore or WattEver (EV 배터리 인증서 발급 서비스) have ads?

Neither Biifore nor WattEver (EV 배터리 인증서 발급 서비스) shows ads.

### Which is updated more often, Biifore or WattEver (EV 배터리 인증서 발급 서비스)?

Biifore ships an update every 3 weeks, and WattEver (EV 배터리 인증서 발급 서비스) every 5 days. Most recently, Biifore was updated on October 24, 2026 and WattEver (EV 배터리 인증서 발급 서비스) on October 7, 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.*