Roastmaster icon

Rainfrog

For professional and prosumer coffee roasters who prioritize data-driven consistency and analytical workflow optimization.

Known forRoastmaster
1app4.6(22)Food & Drink

Snapshot

Who is Rainfrog?

Providing professional-grade data analysis and profile management tools for the specialty coffee roasting industry. Enabling roasters to achieve consistency through precise, data-driven workflow tracking.

Target audience

ProfessionalProsumer coffee roasters who prioritize data-driven consistencyAnalytical workflow optimization

Active nemesis

Lars Saalbach

Other rivals

Portfolio

1
app
Food & Drink1

Last updated

Roastmaster

v14.0.0

5.9y ago

Maintenance

Publisher DNA

What defines Rainfrog?

Publisher DNA

Primary focus

Specialty coffee roasting management software

Scale

indie

Target audience

Professional and prosumer coffee roasters who prioritize data-driven consistency and analytical workflow optimization.

Signature Patterns

  • •Focus on technical, data-centric utility for niche professional workflows
  • •Paid pricing model targeting prosumer and professional users
  • •Emphasis on profile tracking, multi-curve visualization, and analytical assessment
  • •Long-term product support and iterative feature development
Maintenance

Portfolio momentum

The publisher maintains a single, long-standing application with one release in the last six months, indicating a stable, mature product lifecycle.

Last release 42d agoActive apps 1

Portfolio

What does Rainfrog ship?

Apps

1 app analysed

Tightly focused on 5 markets (France, Mexico, South Korea, Spain, United States).

Based on 1 of 1 app with localized market data · last scanned .

Americas (2)

  • Mexico1 / 1
  • United States1 / 1

Europe (2)

  • France1 / 1
  • Spain1 / 1

Asia-Pacific (1)

  • South Korea1 / 1

Core markets (1/1 apps)

FranceMexicoSouth KoreaSpainUnited States

Rivals

Who does Rainfrog compete with?

The rivals identified

Nemeses(1)

Lars Saalbach

known forBeanconqueror

1 app4.8Food & Drink

Both apps target the specialty coffee enthusiast segment, competing for users who require precise data logging and hardware integration for their brewing or roasting workflows.

Contenders(10)

Callum Hill

known forBean Tracker

1 app4.0Food & Drink

Both apps target at-home coffee roasters needing to log roast profiles and track metrics, creating direct competition for users seeking to document their roasting process.

IKAWA

known forIKAWA Pro

1 app3.0Food & Drink

Both apps target specialty coffee roasters, with Roastmaster providing software-based profile management while IKAWA Pro offers hardware-integrated automated roasting control.

Kavekalmar Kft.

known forSmart Espresso Profiler

1 app4.4Food & Drink

Both apps target specialty coffee enthusiasts seeking precision, though Roastmaster focuses on bean roasting management while Smart Espresso Profiler targets machine extraction control.

Marcel Blijleven

known forBeanstats - Coffee Tracker

1 app4.5Food & Drink

Beanstats targets the same home-barista audience by focusing on consistency and data-driven coffee preparation, creating a direct overlap in the pursuit of quality. Both apps cater to users who track metrics to improve their results.

Mike Whaley

known forCoffee DTR Timer

1 app4.8Food & Drink

Both apps target home coffee roasters, with Roastmaster providing data-driven analysis and Coffee DTR Timer offering manual phase tracking.

Noe Hernandez

known forComall Coffee Roasting

1 app5.0Food & Drink

Both applications target professional and prosumer coffee roasters by providing specialized software for tracking roast profiles and managing roasting data.

Stanislav Novacek

known foriBrewCoffee - Coffee Journal

2 apps4.6Food & Drink

iBrewCoffee competes for the attention of coffee enthusiasts by providing a journal for tracking brewing recipes and bean data, overlapping with the interest area of Roastmaster users.

Tasting Grounds

known forTasting Grounds

1 app4.9Food & Drink

Both apps target specialty coffee enthusiasts, with Roastmaster focusing on technical roast management and Tasting Grounds on social brewing logs.

Yui Lau

known forPour-Over Coffee Recipes Timer

1 app4.2Food & Drink

Both apps target the coffee enthusiast market, but they serve distinct stages of the coffee lifecycle: Roastmaster focuses on the production of roast profiles, while the rival focuses on the consumption of brewed coffee.

Zachary Swinehart

known forBean Beast

1 app4.7Food & Drink

Roastmaster and Bean Beast compete for the same prosumer coffee audience by offering tools to document and refine coffee preparation workflows.

Same space(18)

Andrew Daniels

known forOptimal Coffee Notes

1 app5.0Food & Drink

Optimal Coffee Notes competes for the same home-enthusiast attention but focuses on manual brewing logs rather than the industrial-style roast profile tracking found in Roastmaster.

Andrew Osborne

known forChaff — Home Coffee Roast Log

1 app1.0Food & Drink

Chaff is a direct substitute for Roastmaster, offering a simplified, non-subscription alternative for logging roast sessions and green bean inventory.

Bitlever

known forCoffee Tracker: BeanBook

1 app5.0Food & Drink

BeanBook targets the post-roast brewing phase, providing a complementary tool for users who need to track how roasted beans perform in various brew methods.

BP&Solution Co

known forQUANTIFY CVA

1 app0.0Food & Drink

This app focuses on the quantitative assessment of coffee quality, providing a digital alternative to traditional paper-based cupping forms.

Brian Carter

known forRoast Pilot

1 app0.0Food & Drink

Roast Pilot functions as a hardware-dependent companion app, extending the roast-logging capabilities of Roastmaster into active machine control.

Jakub Adrian Niemiec

known forBeanie: Your Coffee Log

1 app5.0Food & Drink

Beanie acts as a consumer-side companion for tracking bean consumption and tasting notes, rather than the technical roast-production focus of Roastmaster.

Karma

known forBunafr

1 app5.0Food & Drink

Bunafr functions as a vertically integrated platform that combines hardware control with a marketplace, directly overlapping with the roast-logging functionality of Roastmaster.

Kenaro

known forCoffee Master - Brew Recipes

1 app1.0Food & Drink

This app focuses on the brewing recipe generation aspect, serving as a downstream tool for users who have already acquired roasted coffee.

Mahlkönig

known forMahlkönig Home

1 app3.3Food & Drink

This hardware utility integrates directly with specific grinding equipment, acting as a peripheral management tool for the same prosumer audience as Roastmaster.

Marcin Dziubak

known forSpecialty Atlas

1 app0.0Food & Drink

Specialty Atlas maps the specialty coffee landscape, connecting beans, cafés, and brewing methods for the enthusiast market.

Rebiskis Team SRL

known forVereda: Specialty Coffee Guide

1 app0.0Food & Drink

Vereda focuses on the specialty coffee community and traceability, serving as a discovery and logging platform for the end-consumer of roasted coffee.

Roasters Technologies

known forBrewspace: Café Manager

2 apps4.3Food & Drink

Brewspace targets the B2B coffee shop management segment, providing operational tools that differ from the individual roast-tracking focus of Roastmaster.

Seokmin Bang

known forRoast Master: Coffee Journal

1 app0.0Food & Drink

Roast Master provides a similar technical framework to Roastmaster but adds an AI coaching layer to interpret roast curves and cupping scores.

Softlogic, S.A.

known forCatador Cupping

2 apps3.0Food & Drink

Catador Cupping addresses the sensory evaluation niche, providing a professional-grade tool for cupping that complements the production-focused data in Roastmaster.

Szabo Matyas

known forCuppd Specialty Coffee Finder

1 app0.0Food & Drink

Cuppd acts as a discovery engine for specialty coffee, helping users find and purchase beans from a global catalog of roasters.

Tony Gaitatzis

known forKaava: Coffee Roaster

1 app0.0Food & Drink

Kaava targets the same home-roasting demographic as Roastmaster, emphasizing the loop between roasting, inventory management, and sensory cupping.

YANGLI CHEN

known forHazeLog - Coffee Roast Curves

1 app0.0Food & Drink

HazeLog serves the entry-level home roaster segment, providing a manual logging alternative for users without dedicated temperature probes.

兆尊 许

known forBeanFolio - Coffee Journal

1 app0.0Food & Drink

BeanFolio focuses on the post-roast lifecycle of coffee, helping users manage bean freshness and brewing recipes rather than the roasting process itself.

New entrants(2)

ARPINE AZATYAN

known forRoastit - Coffee Roasting

1 app5.0Food & Drink

Roastit provides live guidance and phase-based coaching for home roasters, overlapping with the profile-tracking features of Roastmaster.

KYUNGHWAN KIM

known forCrackLog: Coffee Roast Log

1 app4.5Food & Drink

CrackLog is a direct competitor for home roasters, offering a simplified, local-only logging experience for tracking roast curves.

The Analyst's Read

The bottom line on Rainfrog

Bottom line

Rainfrog is a focused, single-product studio that has successfully captured a technical niche in the specialty coffee market. Their longevity and specialized feature set suggest a stable, high-retention user base that values analytical precision over mass-market appeal.

Frequently asked questions

How many apps does Rainfrog publish?
Rainfrog has 1 app tracked by Marlvel, primarily in the Food & Drink category.
What kind of apps does Rainfrog make?
Rainfrog's portfolio is concentrated in Food & Drink, with an average rating of 4.6/5 across rated apps.
What is Rainfrog's top app?
By review volume across the portfolio, Roastmaster is Rainfrog's best-known app tracked by Marlvel.
In how many countries are Rainfrog's apps available?
Marlvel has tracked Rainfrog's apps across 5 countries.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
Website scraped:
yes
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 Rainfrog, 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. “Rainfrog intelligence.” Updated 2026-05-10. https://marlvel.ai/publishers/rainfrog-inc

See methodologyContact support

Data licensed under CC-BY-NC 4.0