# Navigraph Charts vs Sigmet Plotter

The clearest difference is price: Navigraph Charts at Free against Sigmet Plotter's $3.99. Navigraph Charts also leads on ratings volume (2.8K vs 1). Sigmet Plotter's advantage is review sentiment (100% vs 67%). On rating, update cadence, ads and in-app purchases there is nothing between them.

Navigraph Charts is free to download; Sigmet Plotter costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Navigraph Charts against 5.0 for Sigmet Plotter. That said, the two scores are not equally well evidenced: Navigraph Charts has 2.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 67% of Navigraph Charts's written reviews are positive against 100% of Sigmet Plotter's.

Navigraph Charts ships an update monthly, Sigmet Plotter every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Navigraph Charts | Sigmet Plotter |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.9 (2.8K ratings)](https://appshunter.io/ios/app/navigraph-charts/id999805677/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sigmet-plotter/id6737157027/reviews)** |
| Number of ratings | **2.8K** | 1 |
| Positive reviews | 67.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 94 MB | 3 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Navigraph](https://appshunter.io/developer/999805676) | [Juan Mauricio Padilla Villarreal](https://appshunter.io/developer/604279584) |

## What reviewers say

### Navigraph Charts

[App page](https://appshunter.io/ios/app/navigraph-charts/id999805677)

This app provides comprehensive aviation charts and navigation data for flight simulation. It offers worldwide IFR and VFR chart coverage, updated regularly, and integrates seamlessly with popular flight simulators. Features include moving maps, weather overlays, and annotation tools to enhance the simulated flight experience.

**Highlights:** Jeppesen charts and navigation data, Worldwide IFR and VFR chart coverage, Regular 28-day AIRAC updates, Moving Maps, Weather overlays (radar, winds), 3D Globe Projection, Annotation tools

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent navigation and flight planning features
- 🔒 Seamless integration with flight simulators
- 👍 Intuitive and user-friendly interface
- 🚀 Comprehensive database of charts and airport information
- 👍 Helpful for both VFR and IFR flying

**What reviewers complain about**

- 🐛 Frequent crashes and freezes after recent updates
- 🔋 High battery consumption on mobile devices
- 🔒 Requires a paid subscription to access full functionality
- 🐛 Occasional issues with weather data and chart rendering
- 🔒 Lack of offline mode for charts and data

**Reported bugs**

- Sim link not working consistently on some platforms
- Waypoint recognition issues when entering SIDs/STARs
- Occasional blank or missing chart displays
- Login problems after recent iOS updates

**Requested features**

- Add ability to draw and annotate on charts
- Improve integration with other flight planning tools like PFPX
- Implement live traffic overlay on charts
- Introduce VFR chart options
- Add more customization options for chart views


### Sigmet Plotter

[App page](https://appshunter.io/ios/app/sigmet-plotter/id6737157027)

Visualize SIGMETs and flight routes instantly on a map. This app transforms complex operational text into clear, actionable visuals for pilots, eliminating manual plotting and saving valuable time during flight operations.

**Highlights:** Instant SIGMET visualization, Automatic route plotting, Converts text to map visuals, Supports FMC LEGS pages, Plots oceanic tracks and PBCS points, Designed for real flight operations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Navigraph Charts free?

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

### Is Sigmet Plotter free?

Sigmet Plotter costs $3.99, with no in-app purchases.

### Which has better reviews, Navigraph Charts or Sigmet Plotter?

Sigmet Plotter is rated higher. Navigraph Charts averages 4.9 out of 5 from 2.8K ratings, while Sigmet Plotter averages 5.0 from 1 ratings.

### Do Navigraph Charts or Sigmet Plotter have ads?

Neither Navigraph Charts nor Sigmet Plotter shows ads.

### Which is updated more often, Navigraph Charts or Sigmet Plotter?

Navigraph Charts ships an update monthly, and Sigmet Plotter every 3 weeks. Most recently, Navigraph Charts was updated on October 24, 2026 and Sigmet Plotter on October 24, 2026.

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