# Island Pulse vs Marshal Stack

The clearest difference is in-app purchases: Marshal Stack at none against Island Pulse's 2. Marshal Stack also leads on update cadence (every 3 weeks vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Island Pulse sells 2 in-app purchases, starting at $2.99 per month. Marshal Stack asks for nothing beyond the download.

Island Pulse ships an update every 3 months, Marshal Stack every 3 weeks. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Island Pulse | Marshal Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 5 MB | 11 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ImmiGrader Tech LLC](https://appshunter.io/developer/1195466594) | [Alexandr Degteari](https://appshunter.io/developer/1597066966) |

## What reviewers say

### Island Pulse

[App page](https://appshunter.io/ios/app/island-pulse-live-updates/id6761800422)

Receive real-time updates from your automations directly on your iPhone's Lock Screen and Dynamic Island. Send data via HTTPS POST requests to a personalized API endpoint and token to display custom messages and titles.

**Highlights:** API endpoint for custom updates, Live Activities on Lock Screen, Dynamic Island integration, HTTPS POST request support, Job ID for routing updates, In-app history log

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IslandPulse Pro Monthly | $2.99 | per month |
| IslandPulse Pro Yearly | $19.99 | per year |


### Marshal Stack

[App page](https://appshunter.io/ios/app/marshal-stack/id6801763798)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Island Pulse free?

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

### Is Marshal Stack free?

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

### Do Island Pulse or Marshal Stack have ads?

Neither Island Pulse nor Marshal Stack shows ads.

### Which is updated more often, Island Pulse or Marshal Stack?

Island Pulse ships an update every 3 months, and Marshal Stack every 3 weeks. Most recently, Island Pulse was updated on October 12, 2026 and Marshal Stack on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*