# ICD 10 Coding Guide vs CPT Code Calculator

The clearest difference is rating: ICD 10 Coding Guide at 4.4 against CPT Code Calculator's 3.5. ICD 10 Coding Guide also leads on review sentiment (17% vs 0%) and ratings volume (167 vs 8). CPT Code Calculator's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 12 months). On price, ads and device support there is nothing between them.

Both are free to download. ICD 10 Coding Guide sells 1 in-app purchase, starting at $9.99 per year. CPT Code Calculator asks for nothing beyond the download.

ICD 10 Coding Guide holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: ICD 10 Coding Guide has 167 ratings behind it against 8, 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 0% of CPT Code Calculator's.

ICD 10 Coding Guide ships an update every 12 months, CPT Code Calculator every 2 days. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | ICD 10 Coding Guide | CPT Code Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (167 ratings)](https://appshunter.io/ios/app/icd-10-coding-guide-unbound/id1055441695/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/cpt-code-calculator/id1600017201/reviews) |
| Number of ratings | **167** | 8 |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 days** |
| Monetization | Subscription | **Free** |
| Size | 12 MB | 48 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [King of the Curve, LLC](https://appshunter.io/developer/1534662920) |

## What reviewers say

### ICD 10 Coding Guide

[App page](https://appshunter.io/ios/app/icd-10-coding-guide-unbound/id1055441695)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ICD-10-CM Coding Guide | $9.99 | per year |


### CPT Code Calculator

[App page](https://appshunter.io/ios/app/cpt-code-calculator/id1600017201)

This app simplifies understanding medical billing codes and their associated costs. It aims to reduce financial barriers in healthcare by providing clear cost estimates for patients and assisting medical professionals. Created by pre-medical students, it offers an intuitive tool to navigate medical finances.

**Highlights:** Estimate medical procedure costs, Understand CPT codes, Intuitive user interface, Free to use, Assists patients and professionals

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ICD 10 Coding Guide free?

ICD 10 Coding Guide is free to download, with in-app purchases available.

### Is CPT Code Calculator free?

CPT Code Calculator is free to download, with no in-app purchases.

### Which has better reviews, ICD 10 Coding Guide or CPT Code Calculator?

ICD 10 Coding Guide is rated higher. ICD 10 Coding Guide averages 4.4 out of 5 from 167 ratings, while CPT Code Calculator averages 3.5 from 8 ratings.

### Do ICD 10 Coding Guide or CPT Code Calculator have ads?

Neither ICD 10 Coding Guide nor CPT Code Calculator shows ads.

### Which is updated more often, ICD 10 Coding Guide or CPT Code Calculator?

ICD 10 Coding Guide ships an update every 12 months, and CPT Code Calculator every 2 days. Most recently, ICD 10 Coding Guide was updated on September 18, 2026 and CPT Code Calculator on September 8, 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.*