# X Sim Lab vs Jepex

The clearest difference is price: Jepex at Free against X Sim Lab's $17.99. Jepex also leads on update cadence (weekly vs every 3 weeks). X Sim Lab's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Jepex is free to download; X Sim Lab costs $17.99 up front. Jepex sells 2 in-app purchases, starting at $8.99 per month. X Sim Lab asks for nothing beyond the download.

X Sim Lab ships an update every 3 weeks, Jepex weekly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | X Sim Lab | Jepex |
| --- | --- | --- |
| Price | $17.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/x-sim-lab/id6761675489/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | — |
| Size | 67 MB | 40 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Pangerl](https://appshunter.io/developer/1762982177) | [Karto SIA](https://appshunter.io/developer/1880925277) |

## What reviewers say

### X Sim Lab

[App page](https://appshunter.io/ios/app/x-sim-lab/id6761675489)

Develop RAF files from Fujifilm X Series cameras using custom film simulation recipes directly on your iPad. This app allows you to import files, apply in-camera processing, manage recipes, and export JPEGs without needing a desktop computer.

**Highlights:** Develop Fujifilm RAF files, Apply custom film simulation recipes, In-camera processing, Manage recipe collection, Crop and export as JPEG, iPad-only workflow

**Features:** macOS Compatibility

**In-app purchases:** none


### Jepex

[App page](https://appshunter.io/ios/app/jepex-sort-edit-and-recipes/id6796684363)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jepex Pro Monthly | $8.99 | per month |
| Jepex Pro Annual | $44.99 | per year |


## Frequently asked questions

### Is X Sim Lab free?

X Sim Lab costs $17.99, with no in-app purchases.

### Is Jepex free?

Jepex is free to download, with in-app purchases available.

### Do X Sim Lab or Jepex have ads?

Neither X Sim Lab nor Jepex shows ads.

### Which is updated more often, X Sim Lab or Jepex?

X Sim Lab ships an update every 3 weeks, and Jepex weekly. Most recently, X Sim Lab was updated on November 3, 2026 and Jepex on October 29, 2026.

---

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