AVIOBOOK TECH vs DHC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AVIOBOOK TECH
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AvioBook Tech is the app that helps maintenance ops integrate and interact with the AvioBook platform and ecosystem. -------- AvioBook Tech is the perfect partner to help streamline the reporting and handling of maintenance issues within the AvioBook ecosystem. The immediate transfer of data between flight crew, ground staff and maintenance crews means operations can be monitored and actions easily reported. By incorporating databases of possible errors and report-ownership safeguards, operations run smoothly and human error is reduced. AvioBook Tech is the ideal tech ops solution that seamlessly integrates into the AvioBook EFB environment. INTUITIVE DESIGN User-friendly design reduces training times and increases cross-team efficiency INCREASED EFFICIENCY Rapid visualisation of on-going tasks and status Search functions to easily identify and report tasks INTEGRATED ENVIRONMENT Fast transfer of maintenance reports between different AvioBook programs Single ownership safeguards between stakeholders to prevent miscommunication Linking maintenance, crew, the OCC and MCC into one communication channel
DHC
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To enroll to use the DHC-Mobile Maintenance app please contact: De Havilland Customer Service by email dehavillandcustomerservice@gilmore.ca or phone 1-800-795-6661. Bringing Paperless¹ Efficiency to Line Maintenance! This application requires a subscription to De Havilland Technical Publications. Using the DeHavilland Mobile Maintenance© application, line and heavy maintenance crews can enjoy the benefits of going paperless¹ by being able to store and access publication data instantly from their iPad© – without WiFi. This solution combines automatic publications and Temporary Revision (TR) updates in one application. De Havilland Mobile Maintenance© enables maintenance facilities to achieve paperless¹ operations simply and efficiently. Accessible Instruction for Continued Airworthiness (ICAs). Up to date. All in one place. Fast and easy, iPad© users simply enter their license code, then ‘sync’ the iPad© app to De Havilland Online Technical Publications. Updated publications are automatically downloaded, indexed and ready to use.in minutes, aircraft maintenance engineers can add text, add signatures to tasks and email them to the fleet maintenance personnel. Automatic revision updates. No more manually inserting revisions and Temporary Revisions (TRs) into De Havilland maintenance manuals. These are automatically inserted into the correct sections and distributed across every iPad© in the operator’s fleet by De Havilland Technical Publications. Valuable time is saved, and maintenance crews are always ready with the latest publications. ¹ Paperless refers to the process identified in the relevant aviation industry requirements pertaining to paperless operations. Use of the De Havilland Mobile Maintenance© application does not relieve operators and their maintenance control or engineering crews of their responsibility to comply with applicable airworthiness authority approved documents.
Verdict
The clearest difference is update cadence: AVIOBOOK TECH at every 2 months against DHC's every 8 months. DHC's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AVIOBOOK TECH ships an update every 2 months, DHC every 8 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | AVIOBOOK TECH | DHC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPad |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 220 MB | 92 MB |
| Age rating | 4+ | 4+ |
| Developer | AvioVision | De Havilland Aircraft Company of Canada Limited |
In-app purchases
AVIOBOOK TECH
No in-app purchases
DHC
No in-app purchases







