# iRescue vs Shift Happens

The clearest difference is in-app purchases: Shift Happens at none against iRescue's 1. iRescue's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. iRescue sells 1 in-app purchase, starting at $1.99 per month. Shift Happens asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iRescue | Shift Happens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/irescue-sar-team-availability/id1337068102/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 57.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 59 MB | 29 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kernow Software](https://appshunter.io/developer/551554897) | [ROBERT DOMINIC MCGREGOR](https://appshunter.io/developer/1847037209) |

## What reviewers say

### iRescue

[App page](https://appshunter.io/ios/app/irescue-sar-team-availability/id1337068102)

This app allows volunteer search and rescue teams to manage real-time team availability. Members can quickly book themselves on or off duty, with updates instantly visible to all team members. It helps ensure the right personnel are available for call-outs.

**Highlights:** Update availability instantly, View station crew availability, Set periods of unavailability, Configure work schedules, Receive low crew level notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRescue Monthly Subscription | $1.99 | per month |


### Shift Happens

[App page](https://appshunter.io/ios/app/shift-happens/id6754194287)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iRescue free?

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

### Is Shift Happens free?

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

### Do iRescue or Shift Happens have ads?

Shift Happens shows ads; iRescue does not.

### Which is updated more often, iRescue or Shift Happens?

iRescue ships an update weekly, and Shift Happens weekly. Most recently, iRescue was updated on October 25, 2026 and Shift Happens on October 5, 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.*