# Charts+ vs Crew Duty Time

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.

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.

## The numbers

| Metric | Charts+ | Crew Duty Time |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[1.3 (13 ratings)](https://appshunter.io/ios/app/charts-plus/id843489884/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 5.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 123 MB | 21 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Navblue Inc.](https://appshunter.io/developer/455732159) | [CHING-MING HSU](https://appshunter.io/developer/1896344343) |

## What reviewers say

### Charts+

[App page](https://appshunter.io/ios/app/charts-plus/id843489884)

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.

**Highlights:** Worldwide enroute map with polar routes, Terminal charts viewer with sketches, Document viewer with search engine, Clipboard and bookmark function, Electronic Flight Bag functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Crew Duty Time

[App page](https://appshunter.io/ios/app/crew-duty-time/id6766996088)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Charts+ free?

Charts+ is free to download, with no in-app purchases.

### Is Crew Duty Time free?

Crew Duty Time costs $3.99, with no in-app purchases.

### Do Charts+ or Crew Duty Time have ads?

Neither Charts+ nor Crew Duty Time shows ads.

### Which is updated more often, Charts+ or Crew Duty Time?

Charts+ ships an update every 5 months, and Crew Duty Time monthly. Most recently, Charts+ was updated on October 23, 2026 and Crew Duty Time on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*