Boeing Toolbox Mobile Library vs Acron B777 ETHOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Boeing Toolbox Mobile Library
Access critical aircraft maintenance documents on your iPad. Retrieve tail-specific information, navigate with hyperlinks, and search specialized content offline. Ideal for efficient repair operations.
- Mobile access to maintenance documents
- Aircraft tail-specific information retrieval
- Offline document access
- Hyperlink navigation
- Specialized search functionality
- Access to AMM, FIM, APC, SRM, WDM
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***This application requires data files available through subscription to Maintenance Performance Toolbox. This application is intended for use on institutionally owned devices only. Contact your Boeing representative for details.*** Boeing Toolbox Mobile Library brings the benefits of Maintenance Performance Toolbox – the industry-leading maintenance performance enhancement service - to the iPad. Toolbox Mobile Library provides mobile access to the documents hosted in Maintenance Performance Toolbox Library for even more efficient maintenance and repair operations. Toolbox Mobile Library users will enjoy the benefits of the original Library with the added benefit of portability -- getting instant reference and use, wherever and whenever it's needed: - Retrieve aircraft tail-specific information from the Aircraft Maintenance Manual, Fault Isolation Manual, Aircraft Parts Catalog, Structural Repair Manual and Wiring Diagram and Schematics Manual which include operator-customized content added through Maintenance Performance Toolbox Authoring - Navigate via logical hyperlinks and specialized searches - Access documents without a network connection
Acron B777 ETHOS
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Acron B777 ETHOS app allows users to run courseware or freeplay Flight Management System Trainer (FMST). It is designed for the aviation industry. This app requires a user account given to end-users currently affiliated with Acron ETHOS contract training partner. Please contact your airline training department or flight school for confirmation and download instructions.
Verdict
Boeing Toolbox Mobile Library and Acron B777 ETHOS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Boeing Toolbox Mobile Library ships an update every 4 months, Acron B777 ETHOS every 5 months. The most recent releases landed on November 1, 2026 and October 28, 2026 respectively.
| Parameter | Boeing Toolbox Mobile Library | Acron B777 ETHOS |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (11 ratings) — better | — |
| Positive reviews | 6.5% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPad |
| Requires iOS | 16 | 15.6 — better |
| Further details — not scored | ||
| Size | 72 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | The Boeing Company | Aerosim |
In-app purchases
Boeing Toolbox Mobile Library
No in-app purchases
Acron B777 ETHOS
No in-app purchases
Questions
Is Boeing Toolbox Mobile Library free?
Is Acron B777 ETHOS free?
Do Boeing Toolbox Mobile Library or Acron B777 ETHOS have ads?
Which is updated more often, Boeing Toolbox Mobile Library or Acron B777 ETHOS?
Other comparisons
