# SAM4 Online vs PromoteReady

The clearest difference is update cadence: PromoteReady at every 9 days against SAM4 Online's every 6 months. SAM4 Online's advantage is iOS requirement (12.2 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SAM4 Online sells 1 one-off in-app purchase and PromoteReady sells 1 in-app purchase, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.

SAM4 Online ships an update every 6 months, PromoteReady every 9 days. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SAM4 Online | PromoteReady |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sam4-online/id1615890331/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 7 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [3B Scientific](https://appshunter.io/developer/1407867777) | [LifeLine EMS Training and Consulting LLC](https://appshunter.io/developer/1862662486) |

## What reviewers say

### SAM4 Online

[App page](https://appshunter.io/ios/app/sam4-online/id1615890331)

This interactive platform offers extensive simulated sound libraries and lesson guides for over 60 medical conditions. It provides students with easy access to class materials, quizzes, tests, and a virtual manikin for auscultation training.

**Highlights:** Simulated sounds library, Lesson guides for 60+ conditions, Virtual manikin simulator, Access to class materials, Quizzes and tests, Control physical manikin

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal User - Full Content | $19.99 | one-time |


### PromoteReady

[App page](https://appshunter.io/ios/app/promoteready/id6772309727)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PromoteReady Yearly | $5.99 | per year |


## Frequently asked questions

### Is SAM4 Online free?

SAM4 Online is free to download, with in-app purchases available.

### Is PromoteReady free?

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

### Do SAM4 Online or PromoteReady have ads?

Neither SAM4 Online nor PromoteReady shows ads.

### Which is updated more often, SAM4 Online or PromoteReady?

SAM4 Online ships an update every 6 months, and PromoteReady every 9 days. Most recently, SAM4 Online was updated on October 14, 2026 and PromoteReady on October 8, 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.*