ICD 10 Coding Guide vs CDI+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ICD 10 Coding Guide
Quickly find the latest ICD-10 medical codes with this offline mobile app. Search by code, disease, injury, drug, or keyword. Features include color-coded trees, notes, highlights, and favorites for efficient code assignment.
- Offline ICD-10-CM code access
- Rapid search by code, disease, or keyword
- Color-keyed Code Trees
- Notes and highlights
- Favorites for quick access
- Companion website
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** Fast & accurate lookup of the latest ICD-10 Codes ** ICD-10 CODING GUIDE is a powerful mobile app developed by Unbound Medicine, an award-winning health care information provider with more than 5 million users worldwide. Featuring the latest ICD-10-CM data from the Centers for Medicare and Medicaid Services (CMS), this premium app helps you quickly identify the most appropriate code on your smartphone or tablet — with rapid search by code, disease, injury, drug, or keyword. No internet access is required after initial content download. FEATURES • Access to all ICD-10-CM codes • Code and keyword search for fast discovery • Color-keyed Code Trees for accurate code assignment • Make notes and highlights within any entry • 'Favorites' for bookmarking commonly used codes • Companion website for desktop convenience FREE TRIAL: What To Expect • First-time users are offered a Free Trial of Unbound's complete ICD-10 Coding Guide • After the Free Trial period ends, your iTunes account will be charged $9.99 for a one-year subscription unless you have turned off auto-renew at least 24 hours before the free trial ends. • To manage your subscriptions, open Apple's "Settings" app, tap your Apple ID at the top of the screen, tap Subscriptions, then tap the subscription you wish to manage. • NOTE: if you choose not to purchase a subscription, content will no longer be viewable after the free-trial period ends. Subscription Renewals • Your subscription will automatically renew annually and your iTunes account will be charged $9.99 unless auto-renew is turned off 24 hours prior to the end of the one-year period. • If you choose not to renew, you can continue to use the product but will not receive content updates. • To manage your subscriptions, open Apple's "Settings" app, tap your Apple ID at the top of the screen, tap Subscriptions, then tap the subscription you wish to manage. Unbound Privacy Policy: https://www.unboundmedicine.com/privacy Unbound Medicine Terms of Use: https://www.unboundmedicine.com/end_user_license_agreement
CDI+
This app provides guidance for coding and clinical documentation integrity professionals. It explains principles for accurate documentation to help healthcare facilities improve their records. The content is based on a long-standing, annually updated pocket guide.
- Accurate documentation principles
- Coding professional guidance
- Physician documentation support
- Annual content updates
- Easy-to-grasp explanations
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The original CDI Pocket Guide has been a mainstay of coding and CDI professionals and physicians for over a decade. Cynthia Tang and Richard Pinson share a vision for helping hospitals achieve accurate and thorough documentation by explaining the principles behind the practices in such a way that everyone can easily grasp them. Since they wrote the first CDI Pocket Guide in 2008, it has met with resounding success, and they have updated the Guide every year since. Content includes:
Screenshots
Verdict
The clearest difference is review sentiment: CDI+ at 100% against ICD 10 Coding Guide's 17%. CDI+ also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). ICD 10 Coding Guide's advantage is ratings volume (167 vs 1). On price, 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
Both are free to download. ICD 10 Coding Guide sells 1 in-app purchase, starting at $9.99 per year. CDI+ asks for nothing beyond the download.
CDI+ holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ICD 10 Coding Guide has 167 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of ICD 10 Coding Guide's written reviews are positive against 100% of CDI+'s.
ICD 10 Coding Guide ships an update every 11 months, CDI+ every 4 months. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.
| Parameter | ICD 10 Coding Guide | CDI+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (167 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 16.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 167 — better | 1 |
| Update frequency | Every 11 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 42 MB |
| Age rating | 17+ | 17+ |
| Developer | Unbound Medicine, Inc. | Pinson and Tang LLC |
Customer experience
ICD 10 Coding Guide
CDI+
In-app purchases
ICD 10 Coding Guide
- ICD-10-CM Coding Guide14 Days trial$9.991 Year
CDI+
No in-app purchases
Questions
Is ICD 10 Coding Guide free?
Is CDI+ free?
Which has better reviews, ICD 10 Coding Guide or CDI+?
Do ICD 10 Coding Guide or CDI+ have ads?
Which is updated more often, ICD 10 Coding Guide or CDI+?
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