# iResus vs iCPG

The clearest difference is in-app purchases: iResus at none against iCPG's 2. iResus also leads on review sentiment (50% vs 40%) and iOS requirement (9.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

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

iResus ships an update every 7 months, iCPG every 4 months. Both last shipped on November 11, 2026.

## The numbers

| Metric | iResus | iCPG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/iresus/id1034079078/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **50.0% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | **Free** | Subscription |
| Size | 7 MB | 85 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [RESUSCITATION COUNCIL (U.K.) TRADING LTD](https://appshunter.io/developer/1034079077) | [Class Publishing Ltd](https://appshunter.io/developer/884962940) |

## What reviewers say

### iResus

[App page](https://appshunter.io/ios/app/iresus/id1034079078)

Access the latest adult, pediatric, newborn resuscitation, and anaphylaxis algorithms offline. This free tool is compliant with Resuscitation Council UK Guidelines 2021 and available on multiple devices.

**Highlights:** Offline algorithm access, Adult resuscitation guidelines, Pediatric resuscitation guidelines, Newborn resuscitation guidelines, Anaphylaxis algorithms, Compliant with UK guidelines

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

**In-app purchases:** none


### iCPG

[App page](https://appshunter.io/ios/app/icpg-the-jrcalc-guidelines/id1062577568)

Access the UK ambulance clinical practice guidelines offline after subscribing. Features real-time updates, bookmarking, and dosage filtering by age and condition. Includes sections on general guidance, resuscitation, medical, trauma, and more.

**Highlights:** Offline access to JRCALC guidelines, Real-time guidance updates, Bookmark important guidelines, Filter drug dosages by age/condition, Quick look view of algorithms/diagrams

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCPG Subscription | $2.99 | per month |
| iCPG Subscription | $30.99 | per year |


## Frequently asked questions

### Is iResus free?

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

### Is iCPG free?

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

### Do iResus or iCPG have ads?

Neither iResus nor iCPG shows ads.

### Which is updated more often, iResus or iCPG?

iResus ships an update every 7 months, and iCPG every 4 months. Most recently, iResus was updated on November 11, 2026 and iCPG on November 11, 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.*