Charts+ vs Crew Duty Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Charts+
This app provides pilots with worldwide enroute maps, terminal charts, and a document viewer for airline documentation. It features a search engine, clipboard, and bookmarking for easy access to flight information.
- Worldwide enroute map with polar routes
- Terminal charts viewer with sketches
- Document viewer with search engine
- Clipboard and bookmark function
- Electronic Flight Bag functionality
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The next generation of NAVBLUE Charts+ is here. Influenced by Pilots for use in the cockpit, the redesigned Charts+ interface improves on the user experience. NAVBLUE Charts+ gives pilots the ability: - To have a worldwide enroute map with polar route capacities, - To have a terminal charts viewer with sketches, - To have a document viewer to read Charts+ Guide and as well as your airline documentation with a search engine. - A clipboard and bookmark function for charts and document. This new version provides Enroute Charts directly on your iPad turning it into a powerful Electronic Flight Bag. Note: you MUST have a valid NAVBLUE Charts subscription to activate new aerodrome coverage or update your charts. Currently NAVBLUE Charts+ is targeted at NAVBLUE commercial airline customers.
Crew Duty Time
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Crew Duty Time is a crew duty, rest, and flight-time reference calculator built for flight crew who need a fast short-term planning tool before and during duty. Enter a route, review planned sector times, compare company-style duty limits, track rolling flight time, and keep key duty milestones visible on iPhone and Apple Watch. Key features: • Route-based duty planning with STD, STA, planned flight time, ACT OUT, and ACT IN fields • Configurable company-style settings for report time, taxi time, maximum flight time, maximum flight duty time, LBO, rest, and related limits • Live Activity and local notifications for REPORT, STD, DLY, and LBO stages before ACT OUT is entered • Apple Watch companion view for quick leg review and time entry • In-flight rest planner for multi-crew and double-crew duty planning • Rolling 24-hour flight-time reference • Cabin limits shown as reference information • Local profile import/export for reusable company settings • Offline-oriented workflow with local calculations and no account requirement Crew Duty Time is designed as a planning and reference tool. It is not an official regulatory system, company-approved dispatch system, or legal compliance guarantee. Flight crew must confirm final duty, rest, and flight-time legality against the applicable company manuals, authority regulations, operational control requirements, and current operational conditions.
Screenshots
Verdict
The clearest difference is price: Charts+ at Free against Crew Duty Time's $3.99. Charts+ also leads on iOS requirement (12.0 vs 26.0). Crew Duty Time's advantage is update cadence (monthly vs every 5 months) and device support (3 vs 1). On ads and in-app purchases 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
Charts+ is free to download; Crew Duty Time costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Charts+ ships an update every 5 months, Crew Duty Time monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Charts+ | Crew Duty Time |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 1.3 (13 ratings) — better | — |
| Positive reviews | 5.6% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 123 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Navblue Inc. | CHING-MING HSU |
In-app purchases
Charts+
No in-app purchases
Crew Duty Time
No in-app purchases









