# IGC LCMS vs LCMS i

The clearest difference is ads: IGC LCMS at none against LCMS i's shown. LCMS i's advantage is update cadence (every 10 days vs monthly) and iOS requirement (15.1 vs 17.0). 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.

IGC LCMS ships an update monthly, LCMS i every 10 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IGC LCMS | LCMS i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Size | 121 MB | 69 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PHX SMART SCHOOL SOLUTIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1647312243) | [Education Software VietNam](https://appshunter.io/developer/1538109257) |

## What reviewers say

### IGC LCMS

[App page](https://appshunter.io/ios/app/igc-lcms-parent/id6746246067)

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

**In-app purchases:** none


### LCMS i

[App page](https://appshunter.io/ios/app/lcms-i-school/id6747659818)

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

**In-app purchases:** none


## Frequently asked questions

### Is IGC LCMS free?

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

### Is LCMS i free?

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

### Do IGC LCMS or LCMS i have ads?

LCMS i shows ads; IGC LCMS does not.

### Which is updated more often, IGC LCMS or LCMS i?

IGC LCMS ships an update monthly, and LCMS i every 10 days. Most recently, IGC LCMS was updated on October 30, 2026 and LCMS i on November 5, 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.*