# JSRCM vs Vent Sim

The clearest difference is in-app purchases: JSRCM at none against Vent Sim's 1. Vent Sim's advantage is update cadence (every 5 days vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vent Sim sells 1 one-off in-app purchase. JSRCM asks for nothing beyond the download.

JSRCM ships an update every 8 months, Vent Sim every 5 days. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | JSRCM | Vent Sim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Size | 49 MB | 14 MB |
| Requires iOS | 15.6 | **15.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [NIHON KOKYU RYOHO IGAKKAI, GENERAL INC. ASSOCIATION](https://appshunter.io/developer/1472486152) | [Code Blue Co.,Ltd.](https://appshunter.io/developer/1888422110) |

## What reviewers say

### JSRCM

[App page](https://appshunter.io/ios/app/jsrcm/id1634713284)

**Features:** Vision Pro support

**In-app purchases:** none


### Vent Sim

[App page](https://appshunter.io/ios/app/vent-sim-ventilator-simulator/id6814319523)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $19.99 | one-time |


## Frequently asked questions

### Is JSRCM free?

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

### Is Vent Sim free?

Vent Sim is free to download, with in-app purchases available.

### Do JSRCM or Vent Sim have ads?

Neither JSRCM nor Vent Sim shows ads.

### Which is updated more often, JSRCM or Vent Sim?

JSRCM ships an update every 8 months, and Vent Sim every 5 days. Most recently, JSRCM was updated on November 12, 2026 and Vent Sim on November 13, 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.*