# JFE vs ENGINE SFC

The clearest difference is update cadence: ENGINE SFC at daily against JFE's every 3 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.

JFE ships an update every 3 months, ENGINE SFC daily. The most recent releases landed on August 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | JFE | ENGINE SFC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 16 MB | 6 MB |
| Requires iOS | **15.0** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Melaroo LLC](https://appshunter.io/developer/1112233623) | [Oleksii Nezhalskyi](https://appshunter.io/developer/1687730603) |

## What reviewers say

### JFE

[App page](https://appshunter.io/ios/app/jfe-tc-datasheets/id1264150542)

Access and manage your data sheets offline. Save, export, and email documents in PDF format from your mobile device.

**Highlights:** Offline access to data sheets, Save and export PDFs, Email data sheets, Cross-device compatibility

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

**In-app purchases:** none


### ENGINE SFC

[App page](https://appshunter.io/ios/app/engine-sfc/id6469806252)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JFE free?

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

### Is ENGINE SFC free?

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

### Do JFE or ENGINE SFC have ads?

Neither JFE nor ENGINE SFC shows ads.

### Which is updated more often, JFE or ENGINE SFC?

JFE ships an update every 3 months, and ENGINE SFC daily. Most recently, JFE was updated on August 5, 2026 and ENGINE SFC on September 30, 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.*