# EFIT vs Yi Zhan

The clearest difference is update cadence: EFIT at every 10 days against Yi Zhan's monthly. 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.

EFIT ships an update every 10 days, Yi Zhan monthly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | EFIT | Yi Zhan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 14 MB | 11 MB |
| Requires iOS | 13 | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [师松 梁](https://appshunter.io/developer/922518056) | [Ningbo Shunyu Technology Co., Ltd.](https://appshunter.io/developer/1862337811) |

## What reviewers say

### EFIT

[App page](https://appshunter.io/ios/app/efit-ems-training-system/id1663715165)

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

**In-app purchases:** none


### Yi Zhan

[App page](https://appshunter.io/ios/app/yi-zhan/id6475656854)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EFIT free?

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

### Is Yi Zhan free?

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

### Do EFIT or Yi Zhan have ads?

Neither EFIT nor Yi Zhan shows ads.

### Which is updated more often, EFIT or Yi Zhan?

EFIT ships an update every 10 days, and Yi Zhan monthly. Most recently, EFIT was updated on October 5, 2026 and Yi Zhan on October 9, 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.*