M.E.L.C. vs MEL Expiry Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M.E.L.C.
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.
- Calculate defect expiration dates
- Supports categories A, B, C, D
- View all important dates at a glance
- Customize defect categories
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M.E.L.C. is a tool for the aircraft engineers to calculate the expire date (with Category A, B, C and D) of defected airplanes in accordance with the minimum equipment list. With one quick view all important dates are visible. And a function to customize all categories.
MEL Expiry Calc
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Stay fast and organized during line ops. MEL Date Calc helps you calculate MEL expiries in seconds and keeps your daily callouts in one place. Switch between Local and UTC, log defects by tail, attach Tech Log photos, and generate a clean, share-ready PDF for the day. The MEL calculator is free to use. Logging, photos, and PDF reporting are available with Pro. Pro also removes ads. -MEL Dates Calculate common MEL deadlines (B C D) View results in Local or UTC Clear, readable layout designed for quick checks -Deferred Log (Pro) Track daily line maintenance callouts by tail Save key details (defect, WO, TL page) Mark items as done once actioned (handover, coordination, or system entry) Search and filter your entries anytime -Tech Log Photos and PDF Report (Pro) Attach Tech Log photos to each entry Generate a daily PDF report with tail MEL category and defect details Add large full-page photo pages for readability (ideal for Tech Log Book photos) Share the report via WhatsApp email or any supported app -Pro (Lifetime unlock) Removes ads (ad-free experience) Unlock Deferred Log Tech Log photo attachments PDF report generation and sharing Privacy No account required. Photos you attach remain on your device unless you choose to share them.
Screenshots
Verdict
The clearest difference is ads: M.E.L.C. at none against MEL Expiry Calc's shown. MEL Expiry Calc's advantage is update cadence (every 2 months vs every 18 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. M.E.L.C. sells 1 one-off in-app purchase and MEL Expiry Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
M.E.L.C. ships an update every 18 months, MEL Expiry Calc every 2 months. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.
| Parameter | M.E.L.C. | MEL Expiry Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 18 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Janko Enke | Adria Raventos ruiz |
In-app purchases
M.E.L.C.
- Full version$0.99
MEL Expiry Calc
- Pro$2.99
Questions
Is M.E.L.C. free?
Is MEL Expiry Calc free?
Do M.E.L.C. or MEL Expiry Calc have ads?
Which is updated more often, M.E.L.C. or MEL Expiry Calc?
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