# DTH LMS Pro vs ISDC

The clearest difference is update cadence: DTH LMS Pro at fortnightly against ISDC's every 4 months. ISDC's advantage is iOS requirement (15.1 vs 18.5). 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.

DTH LMS Pro ships an update fortnightly, ISDC every 4 months. The most recent releases landed on October 4, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | DTH LMS Pro | ISDC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 359 MB | 48 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [SHIV KR CHOUDHARY](https://appshunter.io/developer/1546083741) | [Karts](https://appshunter.io/developer/1655788834) |

## What reviewers say

### DTH LMS Pro

[App page](https://appshunter.io/ios/app/dth-lms-pro/id6745549075)

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

**In-app purchases:** none


### ISDC

[App page](https://appshunter.io/ios/app/isdc/id6752369782)

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

**In-app purchases:** none


## Frequently asked questions

### Is DTH LMS Pro free?

DTH LMS Pro is free to download, with no in-app purchases.

### Is ISDC free?

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

### Do DTH LMS Pro or ISDC have ads?

Neither DTH LMS Pro nor ISDC shows ads.

### Which is updated more often, DTH LMS Pro or ISDC?

DTH LMS Pro ships an update fortnightly, and ISDC every 4 months. Most recently, DTH LMS Pro was updated on October 4, 2026 and ISDC on September 25, 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.*