# ICD 9 vs maxCoder

The clearest difference is review sentiment: ICD 9 at 93% against maxCoder's 33%. ICD 9 also leads on rating (4.3 vs 3.0) and update cadence (every 5 weeks vs every 5 months). maxCoder's advantage is iOS requirement (7.1 vs 12.3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ICD 9 holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: ICD 9 has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of ICD 9's written reviews are positive against 33% of maxCoder's.

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

## The numbers

| Metric | ICD 9 | maxCoder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22 ratings)](https://appshunter.io/ios/app/icd-9-10/id821550817/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/maxcoder-icd-10-reference/id929247694/reviews) |
| Number of ratings | **22** | 1 |
| Positive reviews | **92.6% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | Free |
| Size | 10 MB | 68 MB |
| Requires iOS | 12.3 | **7.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CareCloud Corp.](https://appshunter.io/developer/431253949) | [gingerCube, Inc.](https://appshunter.io/developer/410174576) |

## What reviewers say

### ICD 9

[App page](https://appshunter.io/ios/app/icd-9-10/id821550817)

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:** macOS Compatibility

**In-app purchases:** none


### maxCoder

[App page](https://appshunter.io/ios/app/maxcoder-icd-10-reference/id929247694)

Quickly look up ICD-10 codes on your mobile device. This app helps medical professionals find codes by number, diagnosis, or description, and allows them to save favorites and share codes with colleagues. It includes ICD-9 references and works offline.

**Highlights:** ICD-10 code lookup, Search by code, diagnosis, or description, ICD-9 reference, Favorite codes list, Share codes via email/text, Offline functionality, Free code updates

**In-app purchases:** none


## Frequently asked questions

### Is ICD 9 free?

ICD 9 is free to download, with no in-app purchases.

### Is maxCoder free?

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

### Which has better reviews, ICD 9 or maxCoder?

ICD 9 is rated higher. ICD 9 averages 4.3 out of 5 from 22 ratings, while maxCoder averages 3.0 from 1 ratings.

### Do ICD 9 or maxCoder have ads?

Neither ICD 9 nor maxCoder shows ads.

### Which is updated more often, ICD 9 or maxCoder?

ICD 9 ships an update every 5 weeks, and maxCoder every 5 months. Most recently, ICD 9 was updated on June 10, 2026 and maxCoder on June 9, 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.*