Comparison

iResus vs iCPG

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iResus

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
Read full description

iResus is a free support tool that has been developed by Resuscitation Council UK and Cranworth Medical Ltd. iResus enables the user to access the latest Adult, Paediatric, Newborn resuscitation and anaphylaxis algorithms without the need for an internet connection and is available on a variety of devices. iResus is compliant with the Resuscitation Council UK Guidelines 2021.

About

iCPG

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
Read full description

The JRCALC guidelines are the established standard of practice for prehospital clinicians and available on the iCPG app. You can Sign Up and register your details on the app. Once you have logged into the app you will be prompted for payment information. iCPG is available for £2.99 per month or £29.99 per year as an auto-renewing subscription - see below for more subscription information. You need to have a data connection to subscribe and pay for iCPG. Once you have completed the subscription process and download the app, it will function offline. Please note that iCPG offers real time updates as guidance changes. You need to be online to download these updates. Features include: • Based on the approved JRCALC and AACE guidance • Updates published in real time as new guidance is issued • Bookmark important guidelines and drugs • Functionality to filter drug dosages by age, condition and administration route • A quick look view which highlights the most important algorithms, diagrams and tables Section 1 – General Guidance Section 2 – Resuscitation Section 3 – Medical Section 4 – Trauma, including new guidance on the management of fistula bleed Section 5 – Maternity Care Section 6 – Special Situations Section 7 – Medicines In-app subscription information • iCPG: the JRCALC Guidelines are available via an auto-renewing subscription • There are 2 lengths of subscription: £2.99 per month or £29.99 per year • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed and auto-renewal may be turned off by going to the Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable FAQs https://www.classprofessional.co.uk/faqs/ Privacy Policy https://www.classprofessional.co.uk/terms-of-use/jrcalc-apps-terms-conditions/ Terms and Conditions https://www.classprofessional.co.uk/terms-of-use/jrcalc-apps-terms-conditions/

Screenshots

iResus4 screens
iCPG4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
iResus versus iCPG: the parameters behind the verdict, then further details
ParameteriResusiCPG
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews50.0% of reviews — better40.0% of reviews
Number of ratings4 — better—
Update frequencyEvery 7 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.6
Further details — not scored
Size7 MB85 MB
Age rating17+17+
DeveloperRESUSCITATION COUNCIL (U.K.) TRADING LTDClass Publishing Ltd

Customer experience

iResus

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews24 reviews
Positive50.0%
Neutral4.2%
Negative45.8%

iCPG

Written reviews25 reviews
Positive40.0%
Neutral4.0%
Negative56.0%

In-app purchases

None

iResus

No in-app purchases

2 purchases

iCPG

Subscriptions2
  • iCPG Subscription$2.991 Month
  • iCPG Subscription$30.991 Year

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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