# ICD vs Ondra

The clearest difference is in-app purchases: Ondra at none against ICD's 1. Ondra also leads on update cadence (daily vs every 3 months). ICD's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ICD sells 1 one-off in-app purchase. Ondra asks for nothing beyond the download.

ICD ships an update every 3 months, Ondra daily. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | ICD | Ondra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (11 ratings)](https://appshunter.io/ios/app/icd-10-dictionary/id1039735782/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Paid | — |
| Size | 51 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [WINDY HEALTH COMPANY LIMITED](https://appshunter.io/developer/1011368789) | [Erdin Guma](https://appshunter.io/developer/6815444211) |

## What reviewers say

### ICD

[App page](https://appshunter.io/ios/app/icd-10-dictionary/id1039735782)

Access a comprehensive medical coding reference. Quickly find codes by number, disease name, or symptoms with smart search capabilities. Save frequently used codes for easy access.

**Highlights:** Search by ICD-10 code, Search by disease name, Search by symptoms, Smart multi-word search, Save frequently used codes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |


### Ondra

[App page](https://appshunter.io/ios/app/ondra-contraction-timer/id6815444209)

**In-app purchases:** none


## Frequently asked questions

### Is ICD free?

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

### Is Ondra free?

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

### Do ICD or Ondra have ads?

Neither ICD nor Ondra shows ads.

### Which is updated more often, ICD or Ondra?

ICD ships an update every 3 months, and Ondra daily. Most recently, ICD was updated on October 15, 2026 and Ondra on October 17, 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.*