WBCheck: Weight & Balance

WBCheck: Weight & Balance

By Domingo Sandoval

WBCheck is a weight and balance utility for pilots that calculates aircraft performance and generates load sheets on iOS.

The App DNA

What makes this app unique?

The app removes the cognitive and time cost of manual POH calculations during preflight, replacing paper-based workflows with a mobile-first, offline-capable interface.

For General aviation pilots and helicopter operators requiring rapid, POH-verified weight and balance calculations for preflight planning.

What does it look like?

Key features

Live CG Envelope Calculationedge

Visualizes takeoff, landing, and zero-fuel points against published aircraft envelopes in real-time as sliders are adjusted.

Helicopter Performance Estimationedge

Calculates IGE and OGE hover ceilings based on density altitude for specific helicopter models.

PDF Load Sheet Generationstandard

Produces a timestamped, signed load sheet for records or operational files with one tap.

How much does it cost?

freemiumFree tier includes one aircraftOne-time purchase per additional aircraftPro subscription for full fleet and custom profiles

The freemium model uses a single-aircraft free tier to lower the barrier to entry, with Pro subscription and per-model unlocks serving as the primary revenue drivers.

Velocity

Maintenance developmentnew contentmonetizationUX improvementsShow more...

The app currently operates at a maintenance cadence, with only one release shipped in the last 67 days. Development is focused on content expansion and monetization, as evidenced by the latest version introducing new aircraft profiles and a 7-day free trial. The release history shows a stable but infrequent update pattern. There is no evidence of a live-ops strategy, as updates are limited to feature additions and general polish.

See all version history

Who built it?

Domingo Sandoval

2 apps tracked · Utilities

tachbooktachbook
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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for WBCheck: Weight & Balance

How's the Utilities market?

WBCheck occupies the specialized aviation utility niche, focusing on POH-verified accuracy to differentiate from generic calculator apps. The current release cadence of ~9 weeks suggests a maintenance-focused posture rather than aggressive feature expansion.

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The rivals identified

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The Analyst's Read

Key takeaways for WBCheck: Weight & Balance

Where is it heading?

The aviation utility market is consolidating around integrated EFB solutions, putting pressure on standalone tools. WBCheck remains advantaged by its offline-first, POH-verified design, which serves as a reliable, low-friction tool for pilots who do not require a full EFB suite.

  • The introduction of a 7-day free trial for the full fleet reduces the friction for new users to evaluate the Pro tier.
  • The 9-week update cadence indicates a stable, maintenance-focused development cycle that prioritizes reliability over rapid feature iteration.

The SWOT

Core Strengths
  • POH-verified profiles function as a professional-grade trust signal
  • Offline-first architecture removes dependency on ramp connectivity
  • One-tap PDF load sheet generation creates a high-utility workflow
Critical Frictions 3 weaknesses inside
Growth Levers
  • Localized pricing could capture international aviation segments
  • Flight-log integration could deepen post-flight utility
  • Expansion of helicopter fleet models to increase Pro conversion
Market Threats 3 threats identified

Next best moves

1 Invest · 1 Maintain

Ship custom profile import because it is the top-tier Pro gate → increase subscription conversion

+ 1 more prioritized move

The counter-intuitive read

The lack of cloud-sync is an advantage…

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Bottom line

WBCheck maintains a strong position by focusing on POH-verified accuracy, but the maintenance-only update cadence leaves it vulnerable to EFB suites that bundle weight and balance tools. Prioritizing custom profile flexibility would unlock higher conversion among aircraft owners.

Unlock 3 critical frictions, 3 market threats, 1 more prioritized move and the analyst’s take.

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FAQ

Is WBCheck suitable for my specific aircraft model?
WBCheck includes a wide range of POH-verified profiles for common aircraft like the Robinson R22/R44, Cessna 152/172/182, and Cirrus SR22. If your specific model is not listed, you can request it, or use the Pro tier to create custom profiles based on your aircraft's weighing record.
Does WBCheck require an internet connection to work?
No. Once an aircraft profile is loaded, WBCheck functions entirely offline, making it ideal for use on the ramp or in hangars where cellular signal is unavailable.
What is the difference between the free and Pro versions?
The free tier allows for one aircraft profile. The Pro subscription unlocks the full fleet of aircraft, enables custom profiles based on your specific weighing record, and provides access to all future model updates.

Sources

  1. [1] App Store listing, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by WBCheck: Weight & Balance, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “WBCheck: Weight & Balance Intelligence Report.” Updated Sep 23, 2026. https://marlvel.ai/apps/wbcheck-weight-balance

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