Currency icon
Weather Frog: Local Forecast icon

Jeffrey Grossman

For general mobile users seeking functional, reliable tools for travel, finance, and daily planning.

Known forCurrency
2apps4.7(78.2K)TravelWeather

Snapshot

Who is Jeffrey Grossman?

Developing intuitive everyday utilities and mobile tools to simplify daily tasks for a global user base. Focused on creating honest, functional digital solutions.

Target audience

General mobile users seeking functionalReliable tools for travelFinance

Active nemesis

Alan Mrvica

Other rivals

Portfolio

Free 2
2
apps
Travel1
Weather1

Last updated

Currency

v8.0

11mo ago

Steady

Publisher DNA

What defines Jeffrey Grossman?

Publisher DNA

Primary focus

Everyday utility and mobile tools

Scale

indie

Target audience

General mobile users seeking functional, reliable tools for travel, finance, and daily planning.

Signature Patterns

  • Focus on high-utility, single-purpose applications
  • Monetization strategy combining free ad-supported access with premium subscription tiers
  • Emphasis on offline functionality and real-time data accuracy
  • Minimalist, classic design language
Steady

Portfolio momentum

Released 3 updates across 2 apps in the last 6 months, indicating a consistent maintenance cycle for their core utility offerings.

Last release 19d agoActive apps 2

Portfolio

What does Jeffrey Grossman ship?

Apps

2 apps analysed

Standalone Apple Watch app reduces friction for travelers

  • Offline functionality allows international travelers to access currency conversions without needing a reliable data connection
  • Recent UI changes and invisible keypad numbers on the latest update make the app difficult to use
Weather Frog: Local Forecast icon
Weather Frog: Local Forecast

Weather Frog - accurate hourly weather forecast with local precipitation alerts.

4.7(328)
View Intel →

Distributed across 19 markets, strongest in Europe.

Based on 1 of 2 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • Brazil1 / 1
  • Canada1 / 1
  • Mexico1 / 1
  • United States1 / 1

Europe (8)

  • France1 / 1
  • Germany1 / 1
  • Italy1 / 1
  • Netherlands1 / 1
  • Portugal1 / 1
+3 more europe markets
  • Spain1 / 1
  • Turkey1 / 1
  • United Kingdom1 / 1

Asia-Pacific (7)

  • Australia1 / 1
  • India1 / 1
  • Indonesia1 / 1
  • Japan1 / 1
  • Singapore1 / 1
+2 more asia-pacific markets
  • South Korea1 / 1
  • Vietnam1 / 1

Core markets (1/1 apps)

AustraliaBrazilCanadaFranceGermanyIndiaIndonesiaItalyJapanMexicoNetherlandsPortugalSingaporeSouth KoreaSpainTurkeyUnited KingdomUnited StatesVietnam

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

72/100

Avg sentiment score

Rivals

Who does Jeffrey Grossman compete with?

The rivals identified

Nemeses(1)

Alan Mrvica

known forUnit Converter - Best Unit App

1 app4.5Travel

With over 185,000 ratings, this app maintains the largest user base in the utility-converter space, directly challenging the target's market share.

Contenders(3)

DigitAlchemy

known forCurrency Converter Plus Live

1 app4.8Travel

A direct competitor in the travel category that maintains a stable, high-rated presence with a focus on live data.

INVENTO ONE PRIVATE

known forCurrency Converter Calculator•

1 app4.6Travel

High release velocity with 12 updates in six months indicates an aggressive commitment to feature parity and bug fixes.

JRustonApps B.V.

known forMy Currency Converter Pro

1 app4.7Travel

Positions itself as a professional-grade finance tool, capturing users who require more than basic travel-oriented conversion.

Same space(2)

Adysseus

known forCONVERT UNITS

1 app4.8Travel

An adjacent utility app that competes for the same screen real estate on users' devices by offering broad conversion capabilities.

Daniel Nohr

known forCurrency Converter • Valuta+

1 app4.7Travel

Provides a refined, finance-focused alternative that serves as a secondary option for users dissatisfied with travel-specific apps.

New entrants(1)

Ori App Studio

known forTravelSpend: Travel Budget App

1 app4.7Travel

Aggressive release cadence with 6 updates in six months shows a strong push to capture the travel-finance market.

The Analyst's Read

The bottom line on Jeffrey Grossman

Bottom line

DigitAlchemy is a focused indie publisher that successfully monetizes high-utility tools through a hybrid ad-subscription model. Their ability to maintain a massive, highly-rated user base in the travel-finance category provides a stable foundation for their broader utility-focused roadmap.

Frequently asked questions

How many apps does Jeffrey Grossman publish?
Jeffrey Grossman has 2 apps tracked by Marlvel, primarily in the Travel category.
What kind of apps does Jeffrey Grossman make?
Jeffrey Grossman's portfolio is concentrated in Travel and Weather, with an average rating of 4.7/5 across rated apps.
What is Jeffrey Grossman's top app?
By review volume across the portfolio, Currency is Jeffrey Grossman's best-known app tracked by Marlvel.
In how many countries are Jeffrey Grossman's apps available?
Marlvel has tracked Jeffrey Grossman's apps across 19 countries.

What fed this analysis

Apps analyzed:
2
With full intel:
1
With overview:
2
Website scraped:
yes
Social presence:
yes

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 Jeffrey Grossman, 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. “Jeffrey Grossman intelligence.” Updated 2026-04-30. https://marlvel.ai/publishers/jeffrey-grossman

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Data licensed under CC-BY-NC 4.0