Boxing Training & Workout App icon
Home Workout – No Equipment icon
Round Timer icon
+3

Plain and Simple Software

For combat sports athletes, HIIT practitioners, and home-workout enthusiasts seeking structured, equipment-free training and timing solutions.

6apps4.6(11.9K)Health & Fitness

Snapshot

Who is Plain and Simple Software?

Providing specialized timing and training tools for combat sports athletes and fitness enthusiasts. Enabling precise, interval-based workout management for home and gym environments.

Target audience

Combat sports athletesHIIT practitionersHome-workout enthusiasts seeking structured

Active nemesis

NEO PIXEL LABS PTE

Other rivals

Portfolio

Free 4
6
apps
Health & Fitness6

Last updated

Boxing Training & Workout App

v2.6.0

8mo ago

Intense

Publisher DNA

What defines Plain and Simple Software?

Publisher DNA

Primary focus

Health & Fitness · Combat sports and interval training tools

Scale

indie

Target audience

Combat sports athletes, HIIT practitioners, and home-workout enthusiasts seeking structured, equipment-free training and timing solutions.

Signature Patterns

  • •Strong focus on interval-based training and combat-specific workout timers.
  • •Monetization strategy leans heavily on free-to-use models with high accessibility.
  • •Product design emphasizes hands-free operation and customizable session segments.
  • •Consistent focus on at-home, equipment-free fitness solutions.
Intense

Portfolio momentum

Released 11 updates across the portfolio in the last 6 months, with the majority of top titles receiving maintenance or feature updates within the last 30 days.

Last release 24d agoActive apps 4Abandoned 2

Portfolio

What does Plain and Simple Software ship?

Apps

6 apps analysed

Boxing Training & Workout App icon
Boxing Training & Workout App

Kickboxing, Muay Thai, MMA, UFC, and boxing punching bag & shadowboxing workouts

4.8(10.6K)
Home Workout – No Equipment icon
Home Workout – No Equipment

Effective full-body at home HIIT training, boxing-inspired, no equipment needed.

5.0(173)
Round Timer icon
Round Timer

Customize rounds with this versatile Kickboxing, Muay Thai, and Boxing Timer

5.0(1.1K)
Six Pack in 30 Days - Abs Pro icon
Six Pack in 30 Days - Abs Pro

Ab Workout Challenge For Effective Core and Abs Training at Home or Gym

5.0(19)

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

Based on 1 of 6 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States1 / 1

Core markets (1/1 apps)

United States

Rivals

Who does Plain and Simple Software compete with?

The rivals identified

Nemeses(2)

NEO PIXEL LABS PTE

known forInterval Timer - Tabata Timer

1 app4.5Health & Fitness

Both applications target fitness enthusiasts requiring interval training tools, with the rival competing directly through a free, ad-supported model that captures a much larger user base.

FITNESS22

known forGymverse: AI Gym Workout Plans

1 app4.8Health & Fitness

Both apps target athletes seeking structured training, though Gymverse focuses on long-term progression while UltraTrainer targets immediate reaction speed through randomized audio cues.

Contenders(17)

Anuj Seth

known forTabata Timer and HIIT Timer

1 app4.8Health & Fitness

Tabata Timer and HIIT Timer acts as a specialized interval utility that automates exercise and rest cycles for the same HIIT-focused audience.

dreamspark

known forInterval Timer

1 app4.9Health & Fitness

Both applications target fitness enthusiasts requiring interval training tools, with the rival capturing a massive user base through a free-to-start model that directly competes with the paid-upfront barrier of UltraTimer.

Float Tech

known forInterval Timer □ HIIT Timer

1 app4.8Health & Fitness

Interval Timer provides a direct functional alternative to UltraTimer by offering background-compatible interval tracking for HIIT workouts.

Ladder Technologies

known forLADDER Strength Training Plans

1 app4.9Health & Fitness

Ladder targets the same strength-training audience as UltraTimer but replaces manual interval planning with expert-led, coach-built programs.

Runloop

known forSeconds Pro Interval Timer

2 apps4.8Health & Fitness

Both applications target fitness enthusiasts requiring hands-free interval timing, with Seconds Pro competing directly for the same user base through specialized interval programming and circuit training support.

SmartWOD

known forSmartWOD Timer - WOD Clock

1 app4.9Health & Fitness

SmartWOD Timer serves the same functional fitness audience as UltraTimer by providing specialized clocks for AMRAP and EMOM workouts.

Strong Fitness PTE

known forStrong Workout Tracker Gym Log

1 app4.9Health & Fitness

Both apps target fitness enthusiasts requiring workout management tools, with Strong providing a broader logging experience that overlaps with the interval-based utility of UltraTimer.

Sunny Studio

known forInterval Timer ++

1 app4.9Health & Fitness

Interval Timer ++ offers a visual interval tracking experience that integrates with HealthKit to sync data with the user's broader health profile.

Uniqo Lab.

known forTimer Plus - Workouts Timer

1 app4.7Health & Fitness

Timer Plus targets the same group class instructor demographic as UltraTimer, focusing on ad-free interval utility.

0FF

known forSimple Interval Timer

1 app4.9Health & Fitness

Simple Interval Timer competes for the same fitness audience as UltraTimer by offering a free, high-volume alternative with broader hardware integration.

Aral Atpulat

known forTimer for Workouts - HIIT

1 app4.8Health & Fitness

Both applications target fitness enthusiasts requiring interval timers, creating direct competition for users seeking specialized training tools. The rival's free-utility model and higher user satisfaction ratings challenge the paid pricing structure of UltraTimer.

HIIT Apps Sp. z o.o.

known forInterval Timer

1 app4.7Health & Fitness

Both applications target the same fitness interval training audience with overlapping core functionality for managing workout cycles and rest periods. The rival competes directly by offering a free alternative to the paid UltraTimer model.

Intervals

known forIntervals Pro: HIIT Timer

1 app4.8Health & Fitness

Both applications target fitness enthusiasts requiring structured interval timing, creating direct competition for users managing workout routines.

Neurondigital

known forExercise Timer: Interval Timer

1 app4.4Health & Fitness

Both applications target fitness enthusiasts requiring interval training tools, creating direct competition for users seeking hands-free workout management.

PushPress

known forPushPress Workout Timer

1 app4.8Health & Fitness

Both applications target fitness enthusiasts with interval training timers, creating direct competition for users seeking tools to manage workout routines.

SIMPLETOUCH

known forTabata Pro HIIT Interval Timer

1 app4.9Health & Fitness

Both apps target the interval training market, with Tabata Pro competing for the same user base through a free, high-volume distribution model.

WELLTECH APPS

known forMuscle Booster Workout Tracker

1 app4.6Health & Fitness

Both apps target athletes seeking structured workout routines, though UltraTrainer focuses on reaction-based interval drills while Muscle Booster emphasizes biometric-tracked training plans.

Same space(41)

Strava

known forRunna: Running Plans & Coach

2 apps4.9Health & Fitness

Runna serves the same fitness-focused user base but focuses on dynamic, science-backed running plans rather than general interval timing.

AnlinYu

known forHerBody - Home Workout

1 app0.0Health & Fitness

This app targets the same home-fitness demographic, using a launcher-based interface to differentiate its user experience.

Axiom Mobile

known forTabata HIIT. Interval Training

1 app4.7Health & Fitness

Serves the same HIIT-focused demographic as UltraTrainer by providing a dedicated interval timer with integrated training plans.

BG.Studio

known forGym Workout Tracker & Fitness

1 app4.3Health & Fitness

This app provides a broad, equipment-focused gym tracker that serves as an alternative for users transitioning from home to gym training.

Billy Dean

known forSTRIKR: Audio Striking Coach

1 appHealth & Fitness

Provides an audio-based striking coach that serves the same martial arts audience as UltraTrainer's randomized action intervals.

Bunnit_official

known forBurnFit: Gym & Workout Planner

1 app4.3Health & Fitness

This app focuses on gym-based logging and volume tracking, providing a quantitative alternative to the source app's qualitative drill guidance.

Caleb Dickson

known forPunch AI - Boxing Coach

1 app4.6Health & Fitness

Uses computer vision to track boxing performance, offering a more automated alternative to UltraTrainer's manual drill recording.

DevMaker Mobile Apps

known forDecathlon Coach - fitness, run

1 app4.2Health & Fitness

This app provides a multi-sport training platform that competes with the source app by offering broader, guided fitness programs.

EZ Health

known forHome Workout App: Fitness

2 apps4.9Health & Fitness

This app provides a generalist home-fitness alternative for users who prioritize broad bodyweight goals over specific boxing techniques.

Fast Builder

known forHIIT • Workouts & Timer

1 app4.8Health & Fitness

Provides an alternative to UltraTrainer's interval-based workouts by offering guided sessions rather than just timing tools.

FIRAT YILDIZHAN

known forBoxing Workout AI: SparPad Pro

1 app4.8Health & Fitness

Offers an AI-driven alternative to UltraTrainer's manual drill recording for boxing-specific training.

Fitbod

known forFitbod: Workout & Gym Planner

1 app4.4Health & Fitness

This app uses AI to generate personalized lifting routines, offering a data-driven alternative to the source app's static combat drills.

Growly

known forWorkout at Home App: Fitness

1 app4.6Health & Fitness

This app targets the same home-based fitness audience but focuses on 28-day challenges rather than ongoing combat sports training.

Hevy Gym Workout Tracker

known forHevy - Gym Log Workout Tracker

1 app4.9Health & Fitness

This app serves the same fitness-focused user base but shifts the utility from guided combat drills to gym-based weightlifting tracking.

Hevy Studios S.L.

known forHevy - Workout Tracker Gym Log

1 app4.9Health & Fitness

Hevy competes for the same gym-going audience by offering a social-first logging experience that complements the timed intervals provided by UltraTimer.

Hykso

known forFightCamp Home Boxing Workouts

1 app4.9Health & Fitness

Competes for the same martial arts training segment by replacing UltraTrainer's software-only approach with proprietary hardware-linked metrics.

iFit

known foriFIT Personal Trainer

1 app4.7Health & Fitness

Targets the same fitness-focused audience as UltraTrainer but replaces manual drill recording with AI-driven, cinematic coaching.

JustCodeMobile

known forInterval Timer:Tabata & Boxing

1 app0.0Health & Fitness

Interval Timer:Tabata & Boxing provides specialized multi-mode timing for athletes who require precise control during boxing and HIIT sessions.

Leal Apps LTDA

known forGym WP - Workout Tracker & Log

1 app4.6Health & Fitness

This app offers a personalized gym-tracking experience that competes for the same user base seeking structured training routines.

Leap Fitness

known forHome Workout - No Equipment

3 apps4.9Health & Fitness

This app targets the same home-fitness audience as Boxing Training: Bag Workouts but focuses on bodyweight routines rather than specialized combat drills.

Lindberg Development AS

known forLyfta: Gym Workout Tracker Log

1 app4.8Health & Fitness

Lyfta serves as a gym-logging companion that provides structure for strength training, coexisting with UltraTimer's interval-based utility.

Lyfta Gym Workout Tracker

known forLyfta: Gym Log Workout Tracker

1 app4.7Health & Fitness

This app occupies the gym-tracking space, providing a data-heavy alternative to the guided, drill-based experience of the source app.

Marc Gauthier

known forShadow Boxing Workout App

1 app4.9Health & Fitness

Shares the martial arts training focus of UltraTrainer but emphasizes guided shadow boxing sessions over raw interval timing.

Morpheus Labs

known forMorpheus Training

1 app4.9Health & Fitness

Targets the same cardio-focused athlete demographic as UltraTrainer but uses physiological data to guide training intensity.

Nic Kolbe

known forYoga Timer

1 app0.0Health & Fitness

Yoga Timer provides a specialized timing utility for yoga instructors, serving a niche segment within the broader fitness timing category.

Nightjar Labs

known forRounds: Interval HIIT Timer

1 app5.0Health & Fitness

Rounds: Interval HIIT Timer serves privacy-conscious athletes who prefer an offline-first utility over the cloud-connected features of other fitness apps.

Nike

known forNike Training Club

1 app4.3Health & Fitness

This app provides a high-quality, free content library that serves as a direct alternative to the source app's guided workout sessions.

Nils Ackermann

known forBoxing Coach Workout Timer

1 app4.5Health & Fitness

Targets the same boxing-specific audience as UltraTrainer with a focus on round-based timing and preconfigured schedules.

NutraTech

known forCalorie Counter +

1 app4.4Health & Fitness

Calorie Counter + provides nutritional tracking that complements the physical activity monitoring performed by UltraTimer.

Oguz Kaytanci

known forReflex Training Exercises

1 app4.8Health & Fitness

Focuses on the same reaction-time improvement goal as UltraTrainer but uses cognitive exercises rather than physical interval drills.

Oleksandr Serhiienko

known forTabata Timer: Interval Timer.

1 app4.9Health & Fitness

Tabata Timer: Interval Timer serves as a direct utility alternative for HIIT and cardio training, focusing on customizable interval control.

Prometheus Interactive

known forHIIT & Tabata: Interval Timer

1 app4.7Health & Fitness

Offers a basic interval timing utility that serves the same HIIT-focused audience as UltraTrainer.

PT POLEWALI DIGITAL

known forHome Workout for Women

1 app0.0Health & Fitness

This app serves the same home-fitness market but targets women with lazy-friendly routines, contrasting with the source app's high-intensity combat focus.

Solid Solutions OU

known forBoxing Training: Bag Workouts

1 app4.9Health & Fitness

Provides a guided combat training experience that complements UltraTrainer's interval-focused approach for martial artists.

STARVIA COMPANY

known forYolo Fitness: Lazy Workout

1 app4.3Health & Fitness

This app provides a low-intensity home-coaching alternative to the high-intensity boxing drills offered by the source app.

Sweet Science Boxing

known forPRO BOXING: Training & Workout

1 app4.7Health & Fitness

Targets the same serious boxing audience as UltraTrainer by providing structured programming for combat skills.

Symmetry Dev

known forSymmetry: AI Gym Workout Log

1 app4.8Health & Fitness

This app uses AI-driven personalization to compete for the same fitness-tracking market share, focusing on aesthetic body goals.

Technogym SpA

known forTechnogym - fitness & workout

1 app4.4Health & Fitness

This app bridges the gap between home and gym training, but relies on hardware-linked telemetry that contrasts with the source app's offline-first design.

Thang Nguyen

known forBoxing Interval Timer

1 app4.8Health & Fitness

Offers a direct alternative to UltraTrainer's core interval timing functionality with a focus on round-based sports.

Zack Bartel

known forCallout - The Boxing App

1 app4.5Health & Fitness

Shares the audio-cue focus of UltraTrainer but specifically calls out punch combinations for boxing workouts.

짐워크

known forGymwork: Workout Tracker Log

1 app0.0Health & Fitness

This app provides professional-athlete routines, competing for the same user base that values expert-led training methodology.

New entrants(2)

BLUEBASE

known forChair Workout at Home

1 app0.0Health & Fitness

This app serves a niche, low-impact fitness audience that contrasts with the high-intensity combat training of the source app.

T-SHAPED APPS

known forGymtone - Gym Workout Planner

1 app4.8Health & Fitness

This app competes for the same gym-goer audience but uses aggressive subscription gating that contrasts with the source app's freemium model.

The Analyst's Read

The bottom line on Plain and Simple Software

Bottom line

The publisher maintains a disciplined focus on the combat fitness niche, successfully leveraging high-utility tools to drive user engagement. Their ability to maintain a high weighted rating across a small, focused portfolio indicates strong product-market fit within the fitness utility segment.

Frequently asked questions

How many apps does Plain and Simple Software publish?
Plain and Simple Software has 6 apps tracked by Marlvel, primarily in the Health & Fitness category.
What kind of apps does Plain and Simple Software make?
Plain and Simple Software's portfolio is concentrated in Health & Fitness, with an average rating of 4.6/5 across rated apps.
What is Plain and Simple Software's top app?
By review volume across the portfolio, Boxing Training & Workout App is Plain and Simple Software's best-known app tracked by Marlvel.
In how many countries are Plain and Simple Software's apps available?
Marlvel has tracked Plain and Simple Software's apps across 1 country.

What fed this analysis

Apps analyzed:
6
With full intel:
0
With overview:
6
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 Plain and Simple Software, 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. “Plain and Simple Software intelligence.” Updated 2026-05-04. https://marlvel.ai/publishers/plain-and-simple-software

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Data licensed under CC-BY-NC 4.0