# IFD Trainer vs EAA Digital Signature

The clearest difference is rating: EAA Digital Signature at 3.7 against IFD Trainer's 3.0. EAA Digital Signature also leads on ads (none vs shown) and monetization model (free vs ad-supported). IFD Trainer's advantage is ratings volume (88 vs 9). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EAA Digital Signature holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: IFD Trainer has 88 ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 35% of IFD Trainer's written reviews are positive against 33% of EAA Digital Signature's, so the app with the better star average is not the one people write more warmly about.

IFD Trainer ships an update every 2 months, EAA Digital Signature every 6 weeks. The most recent releases landed on October 22, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IFD Trainer | EAA Digital Signature |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (88 ratings)](https://appshunter.io/ios/app/ifd-trainer/id1170084784/reviews) | **[3.7 (9 ratings)](https://appshunter.io/ios/app/eaa-digital-signature/id1574388756/reviews)** |
| Number of ratings | **88** | 9 |
| Positive reviews | **35.1% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 121 MB | 27 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Avidyne](https://appshunter.io/developer/876452179) | [EXPERIMENTAL AIRCRAFT ASSOCIATION, INC.](https://appshunter.io/developer/891781610) |

## What reviewers say

### IFD Trainer

[App page](https://appshunter.io/ios/app/ifd-trainer/id1170084784)

This flight simulator offers a realistic environment to explore Avidyne's Flight Management Systems. It allows users to familiarize themselves with various IFD models, practice flight planning, and integrate with a companion app for a comprehensive home-based training experience.

**Highlights:** Realistic flight simulation environment, Explore Avidyne IFD models, Practice flight plan entry and changes, Integrate with IFD100 app, Access free demo navigation and map data, Use qualified Jeppesen data

**In-app purchases:** none

**What reviewers like**

- 👍 Great for learning IFD
- 👍 Excellent representation of IFD
- 👍 Useful for practice
- 👍 Familiarity builds competence
- 👍 Good for pre-flight planning

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Does not load correctly
- 🐛 Poor graphics
- 🐛 No databases
- 🐛 Difficult to use

**Reported bugs**

- Crashes on startup
- Crashes frequently
- Does not load correctly
- Poor graphics
- No databases

**Requested features**

- Android version availability
- PC version availability
- Altitude control on Mac
- Saving user-defined origin point
- Ability to use as IFD440


### EAA Digital Signature

[App page](https://appshunter.io/ios/app/eaa-digital-signature/id1574388756)

Streamline event coordination by digitally collecting parent or guardian signatures for youth participants. This tool replaces traditional paperwork, automatically emailing signed waivers to guardians upon syncing.

**Highlights:** Digital parent signature collection, Replaces paper waivers, Automatic waiver emailing, Offline signature collection, Requires coordinator login

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IFD Trainer free?

IFD Trainer is free to download, with no in-app purchases.

### Is EAA Digital Signature free?

EAA Digital Signature is free to download, with no in-app purchases.

### Which has better reviews, IFD Trainer or EAA Digital Signature?

EAA Digital Signature is rated higher. IFD Trainer averages 3.0 out of 5 from 88 ratings, while EAA Digital Signature averages 3.7 from 9 ratings.

### Do IFD Trainer or EAA Digital Signature have ads?

IFD Trainer shows ads; EAA Digital Signature does not.

### Which is updated more often, IFD Trainer or EAA Digital Signature?

IFD Trainer ships an update every 2 months, and EAA Digital Signature every 6 weeks. Most recently, IFD Trainer was updated on October 22, 2026 and EAA Digital Signature on October 13, 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.*