Biifore vs DefendPlus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
DefendPlus
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세이프브라우징 서비스는 브라우저 활동을 모니터링하고 URL을 감지하여 사용자에게 알림을 제공하는 기능을 수행합니다. 이 과정에서 사용자의 방문 URL에 대한 민감한 정보를 수집할 수 있습니다. 이러한 데이터는 사용자의 편의와 보안을 위해 사용되며, 개인정보 보호 정책에 따라 안전하게 관리됩니다. 세이프메시지는 문자 메시지 내용을 모니터링하여, 문자 메시지 내 포함되어 있는 URL을 감지하여 사용자에게 알림을 제공하는 기능을 수행합니다. 수신된 문자 메시지 중 URL 만을 이용하여 필터링 기능을 제공합니다.
Screenshots
Verdict
The clearest difference is update cadence: DefendPlus at every 4 days against Biifore's every 3 weeks. DefendPlus also leads on iOS requirement (16 vs 18.6). On price, ads, in-app purchases and device support 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.
Biifore ships an update every 3 weeks, DefendPlus every 4 days. The most recent releases landed on August 15, 2026 and September 14, 2026 respectively.
| Parameter | Biifore | DefendPlus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.6 | 16 — better |
| Further details — not scored | ||
| Size | 78 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | HEI Corp. | ATON Inc. |
In-app purchases
Biifore
No in-app purchases
DefendPlus
No in-app purchases









