Critical Swim Speed icon
FTP Cycling Tracker icon
Gifting Planner icon
+4

Ed Stivala

For e-commerce merchants, small business owners, and endurance athletes requiring quick, accurate performance metrics and inventory tracking.

7apps0.7(1) Multi-theme

Snapshot

Who is Ed Stivala?

Providing specialized utility tools for business calculations and sports performance tracking. Helping professionals and athletes streamline data-driven tasks.

Target audience

E-commerce merchantsSmall business ownersEndurance athletes requiring quick

Active nemesis

Bookipi Pty

Other rivals

Portfolio

7
apps
Business3
Sports3
Productivity1

Last updated

Gross Margin Calc

v3.6.3

8mo ago

Intense

Publisher DNA

What defines Ed Stivala?

Publisher DNA

Primary focus

Utility tools for business and sports performance

Scale

indie

Target audience

E-commerce merchants, small business owners, and endurance athletes requiring quick, accurate performance metrics and inventory tracking.

Signature Patterns

  • •Strict paid-only pricing model across all top titles
  • •Focus on offline-first functionality and data portability
  • •High-utility, single-purpose design philosophy
  • •Integration of industry-specific variables like platform fees or swim protocols
Intense

Portfolio momentum

Released 7 updates across 7 apps in the last 6 months, indicating a high-frequency maintenance and development cycle.

Last release 44d agoActive apps 7

Portfolio

What does Ed Stivala ship?

Apps

7 apps analysed

Gross Margin Calc icon
Gross Margin Calc

Quick simple calculator for calculating your gross margin

5.0(1)

Ad-free iOS experience creates a distraction-free environment for professional users

  • Platform-specific fee modeling establishes category authority for e-commerce sellers

Single-market publisher, every app ships only to United States.

Based on 2 of 7 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States2 / 2

Core markets (2/2 apps)

United States

Rivals

Who does Ed Stivala compete with?

The rivals identified

Nemeses(2)

Bookipi Pty

known forInvoice Maker & Estimate App

1 app4.6Business

Directly targets the same SMB/freelancer audience with a focus on financial documentation and margin-adjacent workflows.

Skipjack Studios

known forPace: Running Pace Calculator

1 app4.7Sports

Both apps target runners requiring quick pace and time calculations, creating direct competition for the same utility-focused user base.

Contenders(10)

Austin Louden

known forPaces: Running pace calculator

1 app5.0Sports

Both apps target runners needing pace and time calculations, creating direct competition for users seeking a lightweight utility.

Camp Four Software

known forSimple Pace Calculator

1 app4.1Sports

Both apps target runners requiring quick performance math, competing for the same utility-focused user base through offline-capable, ad-free environments.

CyberWisp

known forPaceAce: Run Pace Calculator

1 app5.0Sports

Both apps target runners requiring split and pace calculations, creating direct competition for users seeking simple performance math tools.

Giancarlos Zambrano

known forPaceWise: Running Calculator

1 app5.0Sports

Both apps target runners requiring pace calculations, with PaceWise providing additional interval and age-grading tools that overlap with the core utility of Run Times & Paces.

Joakim Kungsman

known forRunner's Calculator, Converter

1 app4.8Sports

Both apps target runners requiring quick performance calculations, creating direct competition for the same utility-seeking user base.

Josh Adams

known forTrue Pace: Running Calculator

1 app4.3Sports

Both apps target runners requiring performance calculations, but True Pace offers advanced course-aware planning while Run Times & Paces focuses on simple utility.

Luis Machado

known forRace Pace Calculator

1 app1.8Sports

Both apps target runners requiring quick mathematical conversions for race planning, creating direct competition for users seeking simple utility tools.

Mark Corbyn

known forCorbyn Running Calculator - A run time calculator

1 app5.0Sports

Both apps target runners requiring manual pace and time calculations, creating direct overlap in the utility-focused segment.

Phan Nhat Đang

known forPace Calculator - Running Calc

1 app4.8Sports

Both apps target runners requiring quick performance calculations, creating direct competition for users seeking simple, ad-free, or free utility tools.

Polymorph Solutions

known forPace Calculator

1 app4.3Sports

Both apps target runners requiring quick race and pace calculations, competing for users who prefer manual planning tools over full training management software.

Same space(18)

AMZN Mobile

known forAmazon Seller

1 app3.9Business

Provides platform-specific margin tools for the largest e-commerce marketplace, serving the target's core user base.

Block

known forSquare Point of Sale (POS)

1 app4.8Business

Users report: Adjacent financial tool that captures the transaction-level margin data at the point of sale.

Dairy App & Notes & Audio Editor & Voice Recorder

known forCalendPal: Calendar Planner

2 apps4.6Productivity

This app serves as a broader scheduling alternative for tracking the same anniversaries and birthdays managed in Gifting Planner.

Declan Kramper

known forRace Time Calculator

1 app4.0Sports

This app automates performance prediction by pulling data directly from Apple Health, removing manual entry requirements.

Dionysis Kastellanis

known forPace It: Running Performance

1 app4.0Sports

This app shifts focus from simple calculation to trend analysis across heart rate zones for performance tracking.

eBay

known foreBay online shopping & selling

1 app4.6Business

Platform-specific tool that includes built-in selling and fee estimation features for the eBay marketplace.

Endurance Apps

known forNXT RUN - The AI Running Coach

1 appSports

This app provides an adaptive training alternative that syncs with wearable hardware, moving beyond static calculations.

FITNESS22

known forMarathon Training: 42K Runner

1 app4.8Sports

This app targets long-distance goal setting rather than simple pace math, providing a structured 18-week curriculum.

Gabe Montague

known forTime Calculator - Easy to Use

1 app4.3Sports

This app provides a specialized arithmetic tool for time-based sports, focusing on unit-specific inputs rather than general running math.

Intuit

known forQuickBooks Workforce

1 app4.6Business

Adjacent accounting-focused tool that addresses the broader financial management needs of the target audience.

Komorebi

known forSimple Calendar - easy planner

1 app4.8Productivity

This app offers a general scheduling utility that overlaps with the date-tracking functionality required for gift planning.

Meta Platforms

known forMeta Ads Manager

1 app4.3Business

Adjacent tool used by merchants to calculate return on ad spend, a critical component of gross margin.

Oleg Andrieiev

known forManage race with RaceTime

1 app0.0Sports

This app shifts the focus from individual runner utility to event organizer management, serving a different user segment.

ROBERT RUSCH

known forTriCalc: Triathlon Calculator

1 app0.0Sports

This app expands the utility scope to multi-sport race-day planning, catering to athletes who need split calculations across disciplines.

RUNNERWELLNESS SL

known forRunnerPro: Running Coach

1 app0.0Sports

This app offers a full-service coaching experience that contrasts with the manual utility of the source app.

Sean Allen

known forPace Coach Free Pace Calculator

1 app4.3Sports

This app acts as a legacy alternative for simple pace math, though it lacks recent feature updates.

Shopify

known forShopify Point of Sale (POS)

1 app4.5Business

Adjacent business tool serving the same merchant demographic with integrated financial reporting capabilities.

The Run SMART Project

known forVDOT Running Calculator

1 app4.9Sports

This app provides a scientific training framework that replaces simple calculators with standardized VDOT scoring and environmental adjustments.

New entrants(2)

Martino Moore

known forPeak Pace Marathon

1 app5.0Sports

This app offers course-specific training plans that account for external variables like weather and elevation, surpassing simple pace math.

TikTok Pte

known forTikTok Shop Seller Center

1 appBusiness

Rapidly emerging platform-specific tool capturing the new wave of social commerce sellers.

The Analyst's Read

The bottom line on Ed Stivala

Bottom line

Ed Stivala Limited is a disciplined indie studio that successfully monetizes utility-driven niches through a paid-app model. Their consistent update cadence suggests a stable, long-term approach to maintaining professional-grade tools.

Frequently asked questions

How many apps does Ed Stivala publish?
Ed Stivala has 7 apps tracked by Marlvel, primarily in the Business category.
What kind of apps does Ed Stivala make?
Ed Stivala's portfolio is concentrated in Business and Sports, with an average rating of 0.7/5 across rated apps.
What is Ed Stivala's top app?
By review volume across the portfolio, Gross Margin Calc is Ed Stivala's best-known app tracked by Marlvel.
In how many countries are Ed Stivala's apps available?
Marlvel has tracked Ed Stivala's apps across 1 country.

What fed this analysis

Apps analyzed:
7
With full intel:
0
With overview:
7
Website scraped:
no
Social presence:
no

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 Ed Stivala, 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. “Ed Stivala intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/ed-stivala-limited

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Data licensed under CC-BY-NC 4.0