# M.E.L.C. vs Boeing 787 Training Guide Lite

The clearest difference is in-app purchases: Boeing 787 Training Guide Lite at none against M.E.L.C.'s 1. Boeing 787 Training Guide Lite also leads on update cadence (every 5 months vs every 18 months). M.E.L.C.'s advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. M.E.L.C. sells 1 one-off in-app purchase. Boeing 787 Training Guide Lite asks for nothing beyond the download.

M.E.L.C. ships an update every 18 months, Boeing 787 Training Guide Lite every 5 months. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | M.E.L.C. | Boeing 787 Training Guide Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/melc/id1315299613/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 6 MB | 697 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janko Enke](https://appshunter.io/developer/1315299612) | [Gustavo Legarreta](https://appshunter.io/developer/1506804238) |

## What reviewers say

### M.E.L.C.

[App page](https://appshunter.io/ios/app/melc/id1315299613)

This tool helps aircraft engineers calculate the expiration dates for airplane defects based on minimum equipment lists. It provides a clear overview of all critical dates and allows for customization of defect categories.

**Highlights:** Calculate defect expiration dates, Supports categories A, B, C, D, View all important dates at a glance, Customize defect categories

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $0.99 | one-time |


### Boeing 787 Training Guide Lite

[App page](https://appshunter.io/ios/app/boeing-787-training-guide-lite/id1611433169)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is M.E.L.C. free?

M.E.L.C. is free to download, with in-app purchases available.

### Is Boeing 787 Training Guide Lite free?

Boeing 787 Training Guide Lite is free to download, with no in-app purchases.

### Do M.E.L.C. or Boeing 787 Training Guide Lite have ads?

Neither M.E.L.C. nor Boeing 787 Training Guide Lite shows ads.

### Which is updated more often, M.E.L.C. or Boeing 787 Training Guide Lite?

M.E.L.C. ships an update every 18 months, and Boeing 787 Training Guide Lite every 5 months. Most recently, M.E.L.C. was updated on September 19, 2026 and Boeing 787 Training Guide Lite on September 10, 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.*