# E vs CarHiFi

The clearest difference is update cadence: E at every 5 days against CarHiFi's every 6 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.

E ships an update every 5 days, CarHiFi every 6 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | E | CarHiFi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 months |
| Size | 25 MB | 24 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EMCAN-TEC](https://appshunter.io/developer/1649090170) | [东友 苏](https://appshunter.io/developer/1786916998) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-invoice-qr-reader/id1625896726)

**Features:** macOS Compatibility

**In-app purchases:** none


### CarHiFi

[App page](https://appshunter.io/ios/app/carhifi/id6739762671)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is CarHiFi free?

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

### Do E or CarHiFi have ads?

Neither E nor CarHiFi shows ads.

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

E ships an update every 5 days, and CarHiFi every 6 months. Most recently, E was updated on October 6, 2026 and CarHiFi on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*