# iALS vs On

The clearest difference is in-app purchases: iALS at none against On's 1. iALS also leads on iOS requirement (13.0 vs 17.6). On's advantage is review sentiment (100% vs 75%) and update cadence (weekly vs every 4 weeks). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. On sells 1 one-off in-app purchase. iALS asks for nothing beyond the download.

iALS ships an update every 4 weeks, On weekly. Both last shipped on October 8, 2026.

## The numbers

| Metric | iALS | On |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ials/id1535351260/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 15 MB | 8 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Code Med Ltd](https://appshunter.io/developer/1535351262) | [Mohsin Asad Sadiq](https://appshunter.io/developer/1896638622) |

## What reviewers say

### iALS

[App page](https://appshunter.io/ios/app/ials/id1535351260)

This app provides a resuscitation dashboard with timers, drug counters, and intelligent algorithm guidance for advanced life support providers. It logs interventions, drugs, and arterial blood gas results, and features a handover function for seamless team collaboration during cardiac arrests.

**Highlights:** Resuscitation dashboard, Cycle and drug counters, Intelligent algorithm guidance, Intervention and drug logging, Arterial blood gas calculator, Handover function

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

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-call/id6769200317)

Manage on-call shifts and track medical jobs efficiently. Prioritize workload, generate handover summaries instantly, and ensure data privacy with local storage. Designed by a doctor for fast, secure use during busy shifts.

**Highlights:** Track urgent and routine jobs, Prioritize workload, Generate structured handover summaries, Secure local data storage, Face ID protection, Fast and intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $2.99 | one-time |


## Frequently asked questions

### Is iALS free?

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

### Is On free?

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

### Do iALS or On have ads?

Neither iALS nor On shows ads.

### Which is updated more often, iALS or On?

iALS ships an update every 4 weeks, and On weekly. Most recently, iALS was updated on October 8, 2026 and On on October 8, 2026.

---

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