# JLFnC vs bylab

The clearest difference is update cadence: bylab at every 3 weeks against JLFnC's every 2 months. JLFnC's advantage is iOS requirement (14.0 vs 16.0). 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.

JLFnC ships an update every 2 months, bylab every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | JLFnC | bylab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 71 MB | 79 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)제이엘에프앤씨](https://appshunter.io/developer/1558399704) | [(주)에이앤바이오](https://appshunter.io/developer/1597059447) |

## What reviewers say

### JLFnC

[App page](https://appshunter.io/ios/app/jlfnc/id1558399702)

**Features:** Vision Pro support

**In-app purchases:** none


### bylab

[App page](https://appshunter.io/ios/app/bylab/id1617727655)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JLFnC free?

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

### Is bylab free?

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

### Do JLFnC or bylab have ads?

Neither JLFnC nor bylab shows ads.

### Which is updated more often, JLFnC or bylab?

JLFnC ships an update every 2 months, and bylab every 3 weeks. Most recently, JLFnC was updated on November 3, 2026 and bylab on November 3, 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.*