Tobu - Skydiving Logbook

Tobu - Skydiving Logbook

By Nso

Tobu is a digital logbook for skydivers on iOS that automates jump data calculation and tracks progression according to USPA standards.

The App DNA

What makes this app unique?

The app removes the manual friction of physical logbooks by providing automated metrics and digital signatures that skydivers need to prove their experience level.

For Skydivers ranging from beginners needing guidance to seasoned professionals requiring compliant, detailed logbook tracking.

What does it look like?

Key features

USPA-Compliant Loggingedge

Tracks jumps according to USPA SIM 3-1 C logging guidance.

Automatic Jump Data Calculationedge

Calculates exit and deployment altitudes to justify subscription value.

Flight Trajectory Recordingedge

Logs spatial paths for freefall and canopy phases to drive retention.

How much does it cost?

subscriptionFree tier with basic loggingPremium tier with monthly, annual, or lifetime options

The subscription model gates advanced analytics and trajectory tracking to drive recurring revenue.

Velocity

Dormant developmentUX improvementsperformanceShow more...

Tobu - Skydiving Logbook has been inactive for 809 days, placing it firmly in the zombie category. The latest release focused on motion data stability and jump reminders, but no development activity has been recorded since. The project shows no signs of ongoing maintenance or feature expansion.

See all version history

Who built it?

Nso

1 app tracked · Sports

Explore the full publisher profile

User Sentiment

What do users think recently?

Fresh user feedback skews thrilled. Users appreciate detailed jump metrics provide professional-grade analysis without requiring expensive external hardware units and smartphone-based tracking removes the need for cumbersome helmet modifications or extra equipment.

How are ratings & reviews evolving?

App Store
5.00 · 3

What users say, by theme

What Users Love
  • Detailed jump metrics provide professional-grade analysis without requiring expensive external hardware units
  • Smartphone-based tracking removes the need for cumbersome helmet modifications or extra equipment

1 of 1 recent reviews analyzed · limited sample

Read the full review analysis

Competition

Competitive landscape for Tobu - Skydiving Logbook

How's the Sports market?

Tobu occupies a specialized niche in the sports category, relying on regulatory compliance to maintain its position. The 810-day update gap suggests a lack of active market competition, leaving the app vulnerable to newer entrants.

The rivals identified

The Analyst's Read

Key takeaways for Tobu - Skydiving Logbook

Where is it heading?

The skydiving utility market is shifting toward cloud-integrated, cross-platform solutions that offer real-time data sync. Tobu's lack of development activity leaves it exposed to these modern competitors, which will likely erode its user base as hardware and OS requirements evolve.

  • The 810-day update gap indicates a lack of active maintenance, which increases the risk of app breakage on newer iOS versions.

The SWOT

Core Strengths
  • USPA-compliant logging logic establishes category trust
Critical Frictions 1 weakness inside
Growth Levers
  • Localized pricing could capture high-ARPU international markets
Market Threats 1 threat identified

Next best moves

1 Sunset

Sunset feature development because the 26-month update gap signals a maintenance-only lifecycle → reduce user churn expectations

The counter-intuitive read

The 26-month development silence is not a failure but a feature…

Read the full take

Bottom line

Tobu's regulatory compliance provides a solid foundation, but the 26-month development silence suggests the product is currently a legacy asset.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

Access the full report for free

FAQ

Is Tobu compliant with USPA logging requirements?
Yes, Tobu is designed to track jumps following the USPA SIM 3-1 C logging guidance, making it a compliant tool for skydivers.
Does Tobu require specialized hardware to track jump data?
No, Tobu uses your smartphone's sensors to calculate jump metrics, removing the need for expensive external hardware units.
Is Tobu still being updated?
Tobu has not received a major update in over 26 months, suggesting the app is currently in a maintenance-only state.

Sources

  1. [1] App Store

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 Tobu - Skydiving Logbook, 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. “Tobu - Skydiving Logbook Intelligence Report.” Updated Sep 14, 2026. https://marlvel.ai/apps/tobu-skydiving-logbook

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