Comparison

ICD vs ICD 9

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

Head to head
About

ICD

Access a comprehensive, offline digital reference for ICD-10-CM disease codes. Easily search, browse, and share medical classification information, replacing bulky physical books with a convenient mobile solution. Stay updated with the latest code revisions.

Highlights
  • Offline access to ICD-10-CM codes
  • Search by disease or code
  • Browse by chapters and sections
  • List of similar diseases
  • History and bookmarks
  • Information sharing via email
  • Regular data updates
Features
Read full description

ICD-10-CM Codes in 2022: Systematic Inventory - International Statistical Classification of Diseases and Related Health Problems. Replace your 5kg of books with just 20MB data on your devices.  You can use ICD-10 offline around the world, even without an Internet connection! FEATURES - Search function by disease or ICD code - Breakdowns of diseases according to chapters - Browse ICD-10 codes by List, Chapters or Sections - List of similar diseases - History and Bookmarks - Sending the information by e-mail - Offline Data DATA UPDATE As soon as a new ICD-10 update is available, we provide it as Data Update in the App that can download immediately. Always up to date. ----------------------------------- If you subscribe to "ICD-10," the amount will be debited from your iTunes account; 24 hours before the current term expires, the account will be billed for the renewal. After purchase, you can unsubscribe from the iTunes Store settings at any time. ICD-10 subscriptions are currently available from CHF 24 per year. Prices are in CHF, may vary in countries outside Switzerland, and are subject to change without notice. The current subscription cannot be canceled during the active subscription period. If you do not opt for the "ICD-10" subscription, you can use the compendium as usual with limited functions. ----------------------------------- Terms of Service: https://api.treeinspired.com/kp/TermsofService.pdf Privacy Policy: https://api.treeinspired.com/kp/PrivacyPolicy.pdf -----------------------------------

About

ICD 9

This app facilitates the transition to ICD-10 coding for medical professionals. It offers quick conversion between ICD-9 and ICD-10 diagnostic codes, with detailed descriptions and alternative codes. Users can also search for codes and save frequently used ones for fast access.

Highlights
  • ICD-9 to ICD-10 conversion
  • Detailed ICD-10 code descriptions
  • View ICD-10 alternatives
  • Search ICD-10 and view ICD-9
  • Access specialty common codes
Features
Read full description

This innovative application for ICD-10 transition is an extraordinary tool for medical practices and physicians to convert ICD-9 diagnostic codes to ICD-10 version of comprehensive coding. This handy time-saving tool includes all the ICD-9 codes and their respective ICD-10 codes. Our ICD 9-10 converter provides you a fast ICD 10 code searching which you may also add to favorites. It's a one tap access to your specialty's most used ICD 9 and their corresponding ICD 10 codes. - One Step ICD 10 conversion - View detailed description against each ICD 10 codes - View all available ICD 10 alternatives against each ICD 9 codes - View ICD 9 code against ICD 10 - Search ICD 10 and view its ICD 9 code - Easy and fast access to your Common Specialty codes and its conversion

Screenshots

ICD4 screens
ICD 94 screens

Verdict

The call

The clearest difference is in-app purchases: ICD 9 at none against ICD's 3. ICD 9 also leads on update cadence (every 5 weeks vs every 14 months) and rating (4.3 vs 4.0). On price, ads, device support and iOS requirement 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. ICD sells 3 in-app purchases, starting at $3.49 per month. ICD 9 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ICD 9 holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: ICD 9 has 22 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

ICD ships an update every 14 months, ICD 9 every 5 weeks. The most recent releases landed on August 26, 2026 and June 10, 2026 respectively.

Scorecard5 real differences · 5 level
ICD versus ICD 9: the parameters behind the verdict, then further details
ParameterICDICD 9
PriceFreeFree
Rating4.0 (4 ratings)4.3 (22 ratings) — better
Positive reviews—92.6% of reviews
Number of ratings422 — better
Update frequencyEvery 14 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.3 — better
Further details — not scored
Size20 MB10 MB
Age rating17+4+
Developertreeinspired GmbHCareCloud Corp.

Customer experience

ICD

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%

ICD 9

All ratings22 ratings
Positive86.4%
Neutral0.0%
Negative13.6%
Written reviews54 reviews
Positive92.6%
Neutral0.0%
Negative7.4%

In-app purchases

3 purchases

ICD

Subscriptions3
  • ICD-10 for 1 Month3 Days trial$3.491 Month
  • ICD-10 for 6 Months3 Days trial$14.996 Months
  • ICD-10 for 12 Months3 Days trial$22.491 Year
None

ICD 9

No in-app purchases

Questions

Is ICD free?
ICD is free to download, with in-app purchases available.
Is ICD 9 free?
ICD 9 is free to download, with no in-app purchases.
Which has better reviews, ICD or ICD 9?
ICD 9 is rated higher. ICD averages 4.0 out of 5 from 4 ratings, while ICD 9 averages 4.3 from 22 ratings.
Do ICD or ICD 9 have ads?
Neither ICD nor ICD 9 shows ads.
Which is updated more often, ICD or ICD 9?
ICD ships an update every 14 months, and ICD 9 every 5 weeks. Most recently, ICD was updated on August 26, 2026 and ICD 9 on June 10, 2026.

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