# LJSCI vs ARCH CONNECT

The clearest difference is ads: ARCH CONNECT at none against LJSCI's shown. ARCH CONNECT also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (13.0 vs 15.0). On price, 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.

LJSCI ships an update every 6 months, ARCH CONNECT every 5 weeks. The most recent releases landed on June 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LJSCI | ARCH CONNECT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 52 MB | 45 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [La Jenny SCI](https://appshunter.io/developer/1573771957) | [Intence](https://appshunter.io/developer/1420467564) |

## What reviewers say

### LJSCI

[App page](https://appshunter.io/ios/app/ljsci/id1573771535)

**Features:** macOS Compatibility

**In-app purchases:** none


### ARCH CONNECT

[App page](https://appshunter.io/ios/app/arch-connect/id6572295070)

**In-app purchases:** none


## Frequently asked questions

### Is LJSCI free?

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

### Is ARCH CONNECT free?

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

### Do LJSCI or ARCH CONNECT have ads?

LJSCI shows ads; ARCH CONNECT does not.

### Which is updated more often, LJSCI or ARCH CONNECT?

LJSCI ships an update every 6 months, and ARCH CONNECT every 5 weeks. Most recently, LJSCI was updated on June 1, 2026 and ARCH CONNECT on September 10, 2026.

---

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