Refueller vs Hangar 741
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Refueller
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This app is designed for aircraft refuelling calculations and to calculate oil consumption rate of aircraft engines over time. It can be used by professionals in aviation industry. Another feature of this app can be used to add/subtract hours and minutes which, otherwise, would be difficult to calculate using an ordinary calculator.
Hangar 741
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Your logbook writes itself. Hangar 741 is the CAP 741 logbook for UK Part-66 engineers. Photograph your worksheet and get a logbook entry drafted, sorted by ATA chapter and ready to sign. No more evenings rewriting task cards by hand. Built by a licensed aircraft engineer who got tired of doing it the old way. SNAP, CHECK, SAVE Photograph a worksheet, work order or task card Get a drafted entry with date, reg, ATA chapter, task category and a clean write-up Edit anything before you save. Nothing goes in your book until you say so No photo? Add an entry by voice or type it in PRINT A REAL CAP 741 PAGE Export Section 3.1 pages filled in and grouped by aircraft type and ATA chapter Print by supervisor: pick an engineer and print only the pages they need to sign Signatures stay wet ink, just like your paper book SAVED ENGINEERS Keep a list of supervising engineers with their licence numbers Choose who signed off each task. Their details go straight onto your printed pages SEE YOUR COVERAGE See every ATA chapter you've covered, weighted for your licence Spot the gaps early: chapters with no removals, installations, tests or fault isolation Track your recency over the last 24 months Supports A, B1.1, B1.3 and B2 IMPORT YOUR PAPER BOOK Scan your existing logbook pages and bring years of experience in Review each page before it's saved Imported entries count towards your coverage. Your original signed book stays the evidence YOUR CAREER, WRAPPED Import your book and see your years on the tools: total tasks, top aircraft types, strongest chapters and months logged A shareable recap of the work you've put in PRIVATE BY DESIGN Worksheet photos are read on your phone and never stored Your logbook is yours. Export all your data at any time Hangar 741 helps you build and organise your experience record. It doesn't decide whether your experience meets the CAA's rules for your licence. Always check the current CAA guidance and your organisation's procedures. Free to start, with a monthly allowance of drafted entries. Upgrade for more drafts and full logbook import. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hangar741.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Refueller at none against Hangar 741's 3. Refueller also leads on iOS requirement (10.0 vs 15.0). Hangar 741's advantage is update cadence (daily vs every 2 weeks). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Hangar 741 sells 3 in-app purchases, starting at $4.99 per month. Refueller asks for nothing beyond the download.
Refueller ships an update every 2 weeks, Hangar 741 daily. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.
| Parameter | Refueller | Hangar 741 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 10.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 85 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Appshay Ltd | COBEN RICHARD A ROBERTS |
In-app purchases
Refueller
No in-app purchases
Hangar 741
- Hangar 741 Pro$4.991 Month
- Hangar 741 Pro Yearly7 Days trial$34.991 Year
- Paper Book Import$24.99





