# E vs Biifore

The clearest difference is iOS requirement: E at 13.0 against Biifore's 18.6. 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | E | Biifore |
| --- | --- | --- |
| 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 3 weeks |
| Monetization | — | Free |
| Size | 55 MB | 78 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Passtech co., ltd](https://appshunter.io/developer/1230326855) | [HEI Corp.](https://appshunter.io/developer/1684877971) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-smart-admin/id1470342050)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is E free?

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

### Is Biifore free?

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

### Do E or Biifore have ads?

Neither E nor Biifore shows ads.

### Which is updated more often, E or Biifore?

E ships an update every 3 weeks, and Biifore every 3 weeks. Most recently, E was updated on October 12, 2026 and Biifore on September 23, 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.*