# Blue Eye vs EMX eLB

The clearest difference is update cadence: Blue Eye at every 2 months against EMX eLB's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Blue Eye ships an update every 2 months, EMX eLB every 8 months. The most recent releases landed on October 23, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Blue Eye | EMX eLB |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | — |
| Size | 9 MB | 23 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MRX Systems S.A.](https://appshunter.io/developer/414442593) | [FleetMX Aviation Solutions, Inc.](https://appshunter.io/developer/1002363730) |

## What reviewers say

### Blue Eye

[App page](https://appshunter.io/ios/app/blue-eye/id414442590)

This app serves as an electronic technical log for aircraft maintenance and pre-flight checks. It allows users to record flight details, component life, discrepancies, and maintenance operations, syncing data to a distant database.

**Highlights:** Airworthiness Limitations tracking, Electronic Technical Logs, Pre-flight and post-flight checks, Aircraft and engine component life tracking, Discrepancy reporting, Maintenance operation logging, Data sync to distant database

**Features:** macOS Compatibility

**In-app purchases:** none


### EMX eLB

[App page](https://appshunter.io/ios/app/emx-elb/id1596473551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blue Eye free?

Blue Eye is free to download, with no in-app purchases.

### Is EMX eLB free?

EMX eLB is free to download, with no in-app purchases.

### Do Blue Eye or EMX eLB have ads?

Neither Blue Eye nor EMX eLB shows ads.

### Which is updated more often, Blue Eye or EMX eLB?

Blue Eye ships an update every 2 months, and EMX eLB every 8 months. Most recently, Blue Eye was updated on October 23, 2026 and EMX eLB on September 23, 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.*