충전왕 vs Biifore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
충전왕
Easily check estimated charging fees for your electric vehicle based on your car's battery level. Compare charging station prices on a map and get personalized recommendations for the cheapest options. Real-time station information is also available.
- Estimate charging fees based on battery level
- Compare complex charging rates
- Find cheapest charging stations on map
- Personalized lowest price recommendations
- Real-time charging station information
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[서비스 소개] - 내 차 등록하고 예상 충전 요금을 쉽게 확인 내 차의 배터리 잔량에 맞춘 실제 충전 요금을 알 수 있어요. - 복잡했던 충전요금 한 번에 확인 회원가, 로밍가, 급속, 완속까지 복잡했던 전기차 충전 요금을 알려드려요. - 최저가 비교를 지도에서 한눈에 충전소별 최저가를 지도에서 확인하고, 가장 저렴한 충전소를 찾아보세요. - 자주 가는 충전소 맞춤 최저가 추천 충전 요금과 내 카드를 분석해서, 제일 저렴한 최저가를 추천해 드려요. - 실시간 확인 가능한 충전소 정보 기다릴 걱정 없이 실시간으로 충전소 정보 확인하고 지금 바로 이용하세요.
Biifore
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.
- 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
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Biifore's very first version is available now! Greener Today, Safer Tomorrow! The battery, that can be analogized as the heart of an electric vehicle, also requires proper care for its health state. "Umm… it had a lot of lifetime left, but suddenly it seems to be decreasing. What’s going on?" "The charging capacity doesn't seem the same as before... Is something wrong?" "It still feels healthy, so why is its lifespan is indicated decreasing?" Even if you have doubts about your battery's condition, have you ever hesitated to ellaborate it due to the inconvenience and cost of a service center visit? Biifore, utilizing HEI's patented technology, provides a fast, simple, and accurate assessment of your EV battery deterioration, for both current and future states. You don’t need to visit a service center. Simply, just charge your EV as usual. You will receive a health diagnosis of your EV’s battery within just 1 minute after charging. That’s it. No extra devices, processes, or energy consumption are needed. One thing to note. Use Biifore on a regular basis, for more accurate diagnostics! Required Permission: Location - Used to determine the user's current location in order to provide nearby charging station locations. Notifications - Required to provide calculation results after charging. Customer Support: Email: contact@thinkhei.com Phone: 070-4518-0541
Screenshots
Verdict
The clearest difference is iOS requirement: 충전왕 at 13.0 against Biifore's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
충전왕 ships an update fortnightly, Biifore every 3 weeks. The most recent releases landed on September 17, 2026 and August 15, 2026 respectively.
| Parameter | 충전왕 | Biifore |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 63.6% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 56 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | ENlighten Co., Ltd. | HEI Corp. |
Customer experience
충전왕
Biifore
In-app purchases
충전왕
No in-app purchases
Biifore
No in-app purchases








