# Sunwind LiFePo4 vs E

The clearest difference is update cadence: E at every 5 weeks against Sunwind LiFePo4's every 10 months. 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.

Sunwind LiFePo4 ships an update every 10 months, E every 5 weeks. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sunwind LiFePo4 | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 59 MB | 33 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunwind Gylling AS](https://appshunter.io/developer/1549790253) | [建军 刘](https://appshunter.io/developer/1718671617) |

## What reviewers say

### Sunwind LiFePo4

[App page](https://appshunter.io/ios/app/sunwind-lifepo4/id1549790251)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-bms/id6473353474)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunwind LiFePo4 free?

Sunwind LiFePo4 is free to download, with no in-app purchases.

### Is E free?

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

### Do Sunwind LiFePo4 or E have ads?

Neither Sunwind LiFePo4 nor E shows ads.

### Which is updated more often, Sunwind LiFePo4 or E?

Sunwind LiFePo4 ships an update every 10 months, and E every 5 weeks. Most recently, Sunwind LiFePo4 was updated on October 18, 2026 and E on October 17, 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.*