# LogICU vs GasBook

The clearest difference is review sentiment: GasBook at 50% against LogICU's 0%. GasBook also leads on update cadence (monthly vs every 12 months). LogICU's advantage is iOS requirement (16.6 vs 26.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. LogICU sells 1 one-off in-app purchase and GasBook sells 3 in-app purchases, starting at $5.99 per year. Whichever you choose, the download price is not the number that matters.

LogICU ships an update every 12 months, GasBook monthly. The most recent releases landed on June 11, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | LogICU | GasBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/gasbook/id1628532525/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 19 MB | 12 MB |
| Requires iOS | **16.6** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Wenxin Zhang](https://appshunter.io/developer/987244448) | [Nicholas Clinch](https://appshunter.io/developer/1628532527) |

## What reviewers say

### LogICU

[App page](https://appshunter.io/ios/app/logicu/id1004352445)

A straightforward logbook for medical professionals in Intensive Care Units. It enables the collection of patient, support, and procedural data directly on a mobile device, with options for generating and printing reports and summaries. Data can be backed up both locally and online.

**Highlights:** Intuitive data entry, view, and search, Report and summary generation, Exportable reports, Local and online backup, Patient data collection, Procedural data tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $19.99 | one-time |


### GasBook

[App page](https://appshunter.io/ios/app/gasbook/id1628532525)

This app helps anaesthetic and ICM trainees log their training data for RCOA reports. It simplifies tracking TIVA and THRIVE usage with graphical summaries and detailed reports. Data can be backed up to iCloud and exported in Excel or PDF formats.

**Highlights:** RCOA training report data gathering, TIVA and THRIVE usage logging, Graphical specialty breakdown, Customizable quick entry options, Detailed report filtering, iCloud automatic backup, Excel and PDF export

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $5.99 | per year |
| Buy Me A Coffee | $6.99 | one-time |
| Coffee For The Team | $9.99 | one-time |


## Frequently asked questions

### Is LogICU free?

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

### Is GasBook free?

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

### Do LogICU or GasBook have ads?

Neither LogICU nor GasBook shows ads.

### Which is updated more often, LogICU or GasBook?

LogICU ships an update every 12 months, and GasBook monthly. Most recently, LogICU was updated on June 11, 2026 and GasBook on June 2, 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.*