Comparison

GasBook vs Fexillon Platform

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GasBook

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
Read full description

GasBook is a native iOS logbook app for anaesthesia designed and written by an Anaesthetic Trainee. It’s specifically designed to gather data required for RCOA training reports and perfect for Anaesthetic Trainees and SAS Doctors. In addition to the LLP required information, it makes it easier to log and review use of TIVA and THRIVE. Key Features: * Graphical summaries for specialty breakdown * See your breakdown of TIVA v Volatile at a glance * Custom quick picker to speed up adding multiple regional techniques and procedures * Quick Add button to speed up adding multiple cases * Toggle for ICM Placements to streamline ICM data entry * Detailed Reports based on: * Specialty * Anaesthetic Mode & Airway * Level of Supervision * Teaching * Procedures * Regional Techniques * Priority * Time of Day * ICM activities * Specialty reports such as Neuro, Paeds, Cardiothoracics, Pain * Filter summaries and reports by preset filters, custom dates, and placements * Automatically backup data to your iCloud account for secure storage * Export and Import backups in excel format * Import excel files from LLP, Anaesthetics.app and Medberry logbooks * Export PDF Summary just like the LLP one * Fully Native Dark Mode Premium Features: * Choose a custom App Icon * Add custom procedure and regional techniques * Use custom operation names NB: The pain logging is based on the LLP logbook, rather than Faculty of Pain Medicine for ease of use for most anaesthetic trainees. Those wishing to specialise in Pain Medicine should check to ensure the Faculty of Pain Medicine's logbook isn't a compulsory requirement. Please remember to export backups of your logbook regularly. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fexillon Platform

Features
Read full description

Fexillon is a standards based enterprise platform for Owner Operators which supports the delivery and management of Buildings & Infrastructure from Strategy through to Operations. Our technology delivers on all key strategic initiatives for Owner Operators across the full asset lifecycle of buildings including Interoperability, Productivity, Sustainability and Health & Safety.

Screenshots

GasBook4 screens
Fexillon Platform4 screens

Verdict

The call

The clearest difference is in-app purchases: Fexillon Platform at none against GasBook's 3. Fexillon Platform also leads on update cadence (fortnightly vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GasBook sells 3 in-app purchases, starting at $5.99 per year. Fexillon Platform asks for nothing beyond the download.

UpkeepUpdate frequency

GasBook ships an update every 5 weeks, Fexillon Platform fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
GasBook versus Fexillon Platform: the parameters behind the verdict, then further details
ParameterGasBookFexillon Platform
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size65 MB105 MB
Age rating4+4+
DeveloperNicholas ClinchFexillon

In-app purchases

3 purchases

GasBook

Subscriptions1
  • Annual Subscription$5.991 Year
One-time2
  • Buy Me A Coffee$6.99
  • Coffee For The Team$9.99
None

Fexillon Platform

No in-app purchases

Questions

Is GasBook free?
GasBook is free to download, with in-app purchases available.
Is Fexillon Platform free?
Fexillon Platform is free to download, with no in-app purchases.
Do GasBook or Fexillon Platform have ads?
Neither GasBook nor Fexillon Platform shows ads.
Which is updated more often, GasBook or Fexillon Platform?
GasBook ships an update every 5 weeks, and Fexillon Platform fortnightly. Most recently, GasBook was updated on November 3, 2026 and Fexillon Platform on November 4, 2026.

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