MEL Expiry Calc is a utility for aviation maintenance technicians to calculate MEL deadlines and log line maintenance defects on iOS and Android.
The App DNA
What makes this app unique?
It removes the cognitive load of manual deadline calculations and the physical friction of paper-based Tech Log record-keeping during line operations.
For Aviation maintenance technicians and line operations staff requiring quick MEL deadline calculations and digital log tracking.
What does it look like?
Key features
Calculates B, C, and D category MEL deadlines with support for Local and UTC time zones.
Tracks line maintenance callouts by tail number, including defect details, work orders, and tech log pages.
Allows users to attach full-page photos of tech log books to specific maintenance entries.
Generates shareable PDF reports containing tail MEL categories, defect details, and attached photos.
How much does it cost?
The lifetime purchase model removes recurring subscription friction, appealing to professional technicians who prefer a one-time investment for work tools.
Velocity
Active developmentnew contentperformanceShow more...
MEL Expiry Calc maintains an active development pace, shipping three releases over the last two months. The latest version expands the app's ecosystem by adding a dedicated tab for other maintenance tools, signaling a focus on cross-promotion. Development remains stable with consistent performance and stability improvements accompanying feature additions. The current cadence reflects a commitment to regular maintenance and incremental feature expansion.
Who built it?
Adria Raventos ruiz
4 apps tracked · Utilities
A32X Tools · A320 ECAM Resets
737 Tools · Annunciator Lights
A330 Tools · ECAM ResetsUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for MEL Expiry Calc
How's the Utilities market?
MEL Expiry Calc occupies a niche utility space for aviation maintenance, currently operating without a significant footprint in public store ratings. The lack of a competitive review volume suggests the app is in an early growth phase, relying on direct utility rather than social proof for user acquisition.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for MEL Expiry Calc
Where is it heading?
The aviation utility market remains fragmented, with professional users prioritizing reliability over feature bloat. MEL Expiry Calc is currently positioned as a niche tool, and its ability to scale depends on moving beyond a local-only storage model to meet the data-redundancy expectations of line maintenance operations.
- The consistent update cadence (three releases in two months) demonstrates active development rather than maintenance-mode stagnation.
- The absence of user reviews creates a visibility vacuum that prevents the app from establishing a competitive baseline in the utilities category.
The SWOT
- Lifetime Pro unlock removes recurring subscription friction for professional users
- Integration with digital Tech Log platforms could create a B2B distribution barrier
Next best moves
Ship cloud sync because device-bound logs create a single point of failure for critical maintenance data → increase professional adoption
+ 1 more prioritized moveThe counter-intuitive read
The lack of a subscription model is a risk…
Read the full takeSince the last report: Strategic focus shifted toward addressing data redundancy through cloud-sync, while the long-term viability of the lifetime purchase model is now viewed with increased skepticism regarding regulatory update funding.
Bottom line
Transitioning from a standalone calculator to a synchronized maintenance log would unlock higher professional utility, as the current device-bound storage limits the app's reliability for critical line operations.
Unlock 1 critical friction, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is MEL Expiry Calc suitable for professional line maintenance?
Does MEL Expiry Calc require a subscription?
Are my maintenance photos stored in the cloud?
Sources
- [1] App Store listing, source
Report last updated