# ISMHC vs DarLink

The clearest difference is update cadence: DarLink at every 2 weeks against ISMHC's every 4 months. ISMHC's advantage is iOS requirement (12.4 vs 15.6). 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.

ISMHC ships an update every 4 months, DarLink every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ISMHC | DarLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 43 MB | 38 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Okadoc](https://appshunter.io/developer/1376482340) | [DarDoc Health Technologies Limited](https://appshunter.io/developer/1570460218) |

## What reviewers say

### ISMHC

[App page](https://appshunter.io/ios/app/ismhc/id1536079195)

**Features:** macOS Compatibility

**In-app purchases:** none


### DarLink

[App page](https://appshunter.io/ios/app/darlink/id1580361217)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ISMHC free?

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

### Is DarLink free?

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

### Do ISMHC or DarLink have ads?

Neither ISMHC nor DarLink shows ads.

### Which is updated more often, ISMHC or DarLink?

ISMHC ships an update every 4 months, and DarLink every 2 weeks. Most recently, ISMHC was updated on November 7, 2026 and DarLink 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.*