# ForeFlight Mobile EFB vs Scentience Sigma

The clearest difference is rating: Scentience Sigma at 5.0 against ForeFlight Mobile EFB's 4.4. Scentience Sigma also leads on in-app purchases (none vs 18). ForeFlight Mobile EFB's advantage is ratings volume (3.3K vs 1) and chart position (#16 vs unranked). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ForeFlight Mobile EFB sells 14 one-off in-app purchases. Scentience Sigma asks for nothing beyond the download.

Scentience Sigma holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: ForeFlight Mobile EFB has 3.3K ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ForeFlight Mobile EFB | Scentience Sigma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (3.3K ratings)](https://appshunter.io/ios/app/foreflight-mobile-efb/id333252638/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scentience-sigma/id6756134989/reviews)** |
| Number of ratings | **3.3K** | 1 |
| Positive reviews | 68.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#16** | — |
| Size | 592 MB | 1.7 GB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ForeFlight](https://appshunter.io/developer/283512699) | [Kordel France](https://appshunter.io/developer/1215137099) |

## What reviewers say

### ForeFlight Mobile EFB

[App page](https://appshunter.io/ios/app/foreflight-mobile-efb/id333252638)

**Currently charting:** #16 Top Grossing · Weather, #38 Top Free · Weather (US App Store)

This app simplifies flight planning, briefing, and filing for pilots. It offers interactive weather layers, detailed charts, and hazard awareness tools for enhanced situational awareness. Logbook features track flight hours and currency.

**Highlights:** Touch Planning on Map, Interactive Weather Layers, Geo-referenced Plates & Charts, Global Hazard Awareness, Digital Logbook, Synthetic Vision

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Plus US - 3 months | $70.00 | one-time |
| Starter LATAM - 1 Year | $129.99 | one-time |
| Starter US - 1 Year | $129.99 | one-time |
| Starter CA - 1 Year | $129.99 | one-time |
| Starter EUR - 1 Year | $129.99 | one-time |
| Starter APAC - 1 Year | $129.99 | one-time |
| Starter ME & SA - 1 Year | $129.99 | one-time |
| Essential APAC - 1 Year | $259.99 | one-time |
| Essential ME & SA - 1 Year | $259.99 | one-time |
| Essential US - 1 Year | $259.99 | one-time |
| Essential CA - 1 Year | $259.99 | one-time |
| Premium LATAM | $390.00 | one-time |
| Premium ME & SA | $390.00 | one-time |
| Premium US - 1 Year | $390.00 | one-time |

**What reviewers like**

- 🚀 Excellent flight planning and navigation tool
- 🔒 Enhances safety and situational awareness
- 👍 Comprehensive and user-friendly features
- 👍 Seamless integration with avionics
- 👍 Responsive and helpful customer support

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔋 High battery consumption on mobile devices
- 🚫 Limited functionality for non-US/Canada users
- 💰 Expensive subscription model for some users

**Reported bugs**

- Weather data not updating correctly
- Issues with syncing user waypoints and annotations
- Incompatibility with certain iOS versions and device models

**Requested features**

- Ability to add multiple landing legs in a single flight plan
- Improved map annotations and drawing tools
- Customizable logbook and flight data export options
- Better support for Apple Watch and other wearables
- More comprehensive coverage of international airports and charts


### Scentience Sigma

[App page](https://appshunter.io/ios/app/scentience-sigma/id6756134989)

This app collects multimodal data, including olfactory and chemical information, to help build world models for AI and robotics. It fuses six data types into a single stream for research purposes. The app includes machine learning models to identify and associate sensory data.

**Highlights:** Multimodal data fusion (olfaction, vision, audio, language, inertial, environmental), Time-aligned temporal data stream, Machine learning models for identification and association, Supports open community initiative for AI advancement, Standardized data capture protocols, Optional contribution to open research dataset

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ForeFlight Mobile EFB free?

ForeFlight Mobile EFB is free to download, with in-app purchases available.

### Is Scentience Sigma free?

Scentience Sigma is free to download, with no in-app purchases.

### Which has better reviews, ForeFlight Mobile EFB or Scentience Sigma?

Scentience Sigma is rated higher. ForeFlight Mobile EFB averages 4.4 out of 5 from 3.3K ratings, while Scentience Sigma averages 5.0 from 1 ratings.

### Do ForeFlight Mobile EFB or Scentience Sigma have ads?

Neither ForeFlight Mobile EFB nor Scentience Sigma shows ads.

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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.*