# Anesthesia Central vs Online Anaesthesia

The clearest difference is rating: Anesthesia Central at 4.6 against Online Anaesthesia's 2.0. Anesthesia Central also leads on review sentiment (74% vs 33%) and ratings volume (105 vs 3). Online Anaesthesia's advantage is in-app purchases (none vs 2) and update cadence (every 3 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Anesthesia Central sells 2 in-app purchases, starting at $99.99 per year. Online Anaesthesia asks for nothing beyond the download.

Anesthesia Central holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Anesthesia Central has 105 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 74% of Anesthesia Central's written reviews are positive against 33% of Online Anaesthesia's.

Anesthesia Central ships an update every 9 months, Online Anaesthesia every 3 months. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Anesthesia Central | Online Anaesthesia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (105 ratings)](https://appshunter.io/ios/app/anesthesia-central/id347656772/reviews)** | [2.0 (3 ratings)](https://appshunter.io/ios/app/online-anaesthesia/id399391367/reviews) |
| Number of ratings | **105** | 3 |
| Positive reviews | **74.4% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#192** | — |
| Size | 9 MB | 66 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Unbound Medicine, Inc.](https://appshunter.io/developer/300420400) | [Arjus Limited](https://appshunter.io/developer/399391370) |

## What reviewers say

### Anesthesia Central

[App page](https://appshunter.io/ios/app/anesthesia-central/id347656772)

**Currently charting:** #192 Top Grossing · Medical (US App Store)

This app provides anesthesiologists and critical care specialists with essential information for patient care before, during, and after surgery. It includes disease, drug, test, and procedure details, along with access to the PubMed database for journal articles.

**Highlights:** Disease, drug, test, and procedure information, Access to PubMed database, MGH Clinical Anesthesia Procedures, Davis's Drug Guide, Pocket ICU Management, Pocket Guide to Diagnostic Tests, Integrated calculators

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Anesthesia Central Renewal | $99.99 | per year |
| Anesthesia Central | $169.99 | one-time |


### Online Anaesthesia

[App page](https://appshunter.io/ios/app/online-anaesthesia/id399391367)

Log your medical cases from various specialties, including operations, intensive care, and pain management. This app offers an easy-to-use interface for instant case viewing, adding, and updating. Cases can be added offline and synced later, with daily backups and local backup options for your data.

**Highlights:** Log cases from operations, regional anaesthesia, obstetrics, ICU, and pain management, View, add, and update cases instantly, Offline case logging with automatic syncing, Daily database backups, Local backup option

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Anesthesia Central free?

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

### Is Online Anaesthesia free?

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

### Which has better reviews, Anesthesia Central or Online Anaesthesia?

Anesthesia Central is rated higher. Anesthesia Central averages 4.6 out of 5 from 105 ratings, while Online Anaesthesia averages 2.0 from 3 ratings.

### Do Anesthesia Central or Online Anaesthesia have ads?

Neither Anesthesia Central nor Online Anaesthesia shows ads.

### Which is updated more often, Anesthesia Central or Online Anaesthesia?

Anesthesia Central ships an update every 9 months, and Online Anaesthesia every 3 months. Most recently, Anesthesia Central was updated on October 22, 2026 and Online Anaesthesia on October 6, 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.*