Calculator! icon
Calculator for iPad! icon
Linterna! icon
+1

7th Gear

For students, professionals, and outdoor enthusiasts requiring reliable, high-precision tools for daily tasks and environmental monitoring.

Known forCalculator!
4apps4.6(935K) Multi-theme

Snapshot

Who is 7th Gear?

Providing high-precision utility and environmental data tools for iOS users, from academic calculations to coastal navigation.

Target audience

StudentsProfessionalsOutdoor enthusiasts requiring reliable

Active nemesis

Impala Studios

Other rivals

Portfolio

Free 4
4
apps
Utilities2
Utilidades1
Weather1

Last updated

Calculator!

v9.1 (886477075)

6mo ago

Maintenance

Publisher DNA

What defines 7th Gear?

Publisher DNA

Primary focus

iOS utility and weather applications

Scale

indie

Target audience

Students, professionals, and outdoor enthusiasts requiring reliable, high-precision tools for daily tasks and environmental monitoring.

Signature Patterns

  • •Focus on high-precision, dual-mode utility tools
  • •Integration of productivity features like notes and history into standard utilities
  • •Multi-platform support including Apple Watch and Today Extensions
  • •Monetization via free-to-use models with high review volume
Maintenance

Portfolio momentum

With one update in the last six months and 50% of the portfolio currently active, the publisher is focused on maintaining its established flagship titles.

Last release 31d agoActive apps 1Abandoned 1

Portfolio

What does 7th Gear ship?

Apps

4 apps analysed

Calculator! icon
Calculator!

A simple calculator utility for Android

4.4(764.8K)

Integrated note-taking provides utility beyond arithmetic

  • Simple and accurate calculation tools provide reliable utility for everyday personal and business tasks
  • Recent design changes post-update removed critical quick-answer displays and altered input box functionality

Tactile leather-texture UI provides a distinct visual identity on iPad

  • 75-significant-digit math engine supports professional-grade accuracy requirements

Analysis in progress

Tide Charts icon
Tide Charts

See ocean tides and weather near you. No internet required for tide predictions!

4.8(109.4K)

Distributed across 20 markets, strongest in Europe.

Based on 2 of 4 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • Brazil2 / 2
  • Mexico2 / 2
  • United States2 / 2
  • Canada1 / 2

Europe (9)

  • France2 / 2
  • Germany2 / 2
  • Italy2 / 2
  • Netherlands2 / 2
  • Portugal2 / 2
›+4 more europe markets
  • Spain2 / 2
  • Sweden2 / 2
  • Turkey1 / 2
  • United Kingdom1 / 2

Asia-Pacific (7)

  • Japan2 / 2
  • South Korea2 / 2
  • Australia1 / 2
  • India1 / 2
  • Indonesia1 / 2
›+2 more asia-pacific markets
  • Singapore1 / 2
  • Vietnam1 / 2

Core markets (2/2 apps)

BrazilFranceGermanyItalyJapanMexicoNetherlandsPortugalSouth KoreaSpainSwedenUnited States

User Sentiment

How do users feel about their apps?

0

Positive apps

1

Neutral / mixed

0

Negative apps

55/100

Avg sentiment score

Rivals

Who does 7th Gear compete with?

The rivals identified

Nemeses(3)

Impala Studios

known forCalculator₊

1 app4.7Utilities

This app dominates the utility calculator space with a massive user base and a high-frequency release cadence that directly challenges our target's market share.

Shelter Island Mapping Company

known forTides Near Me

2 apps4.8Weather

Both apps target coastal residents and outdoor enthusiasts with location-based tide and weather forecasting, creating direct competition for daily utility usage.

xNeat.com

known forCalculator +

1 app4.4Utilities

This app is a direct competitor due to its massive user base and comprehensive suite of scientific and equation-solving tools that target the same utility-focused iPad audience.

Contenders(15)

ACRC Solutions

known forJust Tides: Tide Times

1 app3.5Weather

Both apps target coastal outdoor enthusiasts with tidal prediction tools, creating direct competition for users seeking reliable water-level data.

Blue Bright Labs

known forOcean Watch

1 app4.8Weather

Both apps target coastal travelers and outdoor enthusiasts with free, offline-capable tidal forecasting tools that rely on station-based data.

Cider Software

known forCalculator Pro Elite

1 app4.8Utilities

Directly challenges our app by offering a professional-grade 'history tape' feature that appeals to accounting and productivity users.

Condor Digital

known forTide Guide: Charts & Tables

1 app4.8Weather

Tide Guide competes for the same marine and coastal audience as Tide Charts by offering overlapping tidal forecasting and weather utility features on Apple devices.

hanitaro

known forTide Chart USA

1 app4.8Weather

Both apps target coastal users with free tide prediction tools, creating direct competition for the same recreational angler and boater demographic.

Incpt.Mobis

known forCalculator #

1 app4.4Utilities

A direct utility-focused competitor that maintains a large install base and serves the same core audience as our target.

JRustonApps B.V.

known forMy Tide Times - Tables & Chart

2 apps4.8Weather

Both apps target coastal outdoor enthusiasts with free, offline-accessible tidal data, creating direct competition for the same user base in maritime weather utilities.

Manomaya SA

known forTides & Tide Chart: Tide Flow

1 app4.5Weather

Both apps target coastal users with tide and weather data, competing for the same outdoor enthusiast audience.

Mustafa Tolga DALBUDAK

known forCuspart: Calculator+

2 apps4.5Utilities

A high-volume competitor that mirrors our core scientific and basic arithmetic utility set on the iPad platform.

Rivolu

known forTide Alert (NOAA) - Tide Chart

1 app4.8Weather

Both apps target coastal users with offline-capable tide forecasting, creating direct competition for users prioritizing reliable maritime data.

Rory Buckley

known forTide Times UK : British Tides

1 app4.3Weather

Both apps provide free tide and solar data to outdoor enthusiasts, competing for the same coastal planning user base.

Theodore Dubois

known forModulus Calculator

1 app4.3Utilities

Competes by positioning itself as an all-in-one utility suite that bundles currency and GST conversion with standard math.

TOP APP d.o.o.

known forFishing Calendar, Fish Finder

1 app4.4Weather

Both apps target outdoor enthusiasts requiring tidal data, with Fishing Calendar adding specialized angler-specific features like catch logging and Solunar theory to the core tidal utility.

Wingism

known forUK Tides - Tide Predictions

1 app5.0Weather

Both apps target coastal users requiring offline tidal data, competing for the same outdoor enthusiast demographic in the UK market.

Wuhan Ananta Technology Co.

known forColor Calculator-smart&cute

1 app4.7Utilities

Competes by targeting the aesthetic-conscious user segment with dynamic skins and a focus on visual personalization.

Same space(19)

Amanuel Abebaw

known forUnit Converter For Engineers

1 app4.5Utilities

Targets the professional engineering demographic, overlapping with our scientific calculator user base.

ANTON NIKITIN

known forMarine Weather and Tides

1 app4.5Weather

Marine Weather and Tides is a direct functional equivalent to Tide Charts, offering combined marine weather and tidal information.

Bist

known forMarine Weather-Wind Tide Wave

1 app5.0Weather

Marine Weather-Wind Tide Wave serves the same marine sports audience as Tide Charts by using multi-model weather simulations.

Chegg

known forMathway: Math Problem Solver

1 app4.9Utilities

A powerful educational tool that captures users looking for more than just basic arithmetic, encroaching on the scientific calculator market.

Desmos

known forDesmos Graphing Calculator

1 app4.5Utilities

Sets the industry standard for graphing and visualization, serving as a high-end alternative for users needing scientific precision.

Google

known forPhotomath

1 app4.3Utilities

While categorized under Education, its massive scale and AI-driven math solving capabilities represent a significant indirect threat to standard calculator apps.

Igoox

known forNautide: Tides, Wind, Waves +

2 apps4.4Weather

Nautide acts as a direct functional peer by consolidating tide charts and marine weather into a single interface for coastal users.

LW Brands

known forMarine Weather Forecast Pro

1 app4.7Weather

Marine Weather Forecast Pro targets the professional end of the maritime market, providing higher-fidelity data than the standard Tide Charts utility.

Moaaz Afzal

known forQuick Unit Converter: All in 1

1 app4.5Utilities

Competes for the same 'utility' screen real estate by offering home screen widgets and multi-category conversion.

NextStack

known forNOAA Tide Chart & Forecast

1 app4.0Weather

NOAA Tide Chart & Forecast targets the same maritime audience as Tide Charts by providing official NOAA-based tidal data.

Oyku Gul Imran

known forUnit Converter Pro

1 app4.7Utilities

Operates in the adjacent productivity space, often downloaded by the same users who require advanced calculation tools.

Pipi Chick Studio

known forNOAA Marine Weather & Forecast

1 app4.6Weather

Marine Weather & Forecast serves the same maritime user base but relies on direct NOAA buoy data for its core utility.

Saltwater Central

known forReefCast Marine Weather

1 app1.0Weather

ReefCast Marine Weather competes for the same fishing-focused audience as Tide Charts by offering proprietary forecast models.

Skipjack Studios

known forBuoycast: NOAA Marine Weather

1 app4.6Weather

Buoycast overlaps with Tide Charts by providing real-time NOAA data to help users monitor marine conditions.

Surfline/Wavetrak

known forBuoyweather - Marine Forecasts

1 app4.6Weather

Buoyweather provides a specialized alternative for offshore users who require higher resolution than the standard models used by Tide Charts.

Tides Today

known forTides Today - Tides & Weather

1 appWeather

Tides Today provides similar tide and weather data to Tide Charts, specifically targeting the UK market and coastal travelers.

Trevor Daniel

known forTideWise: Tide Chart & Weather

1 app4.8Weather

TideWise serves as a direct substitute for Tide Charts, focusing on marine weather and tide data for boaters.

Windfinder

known forWindfinder: Wind & Weather map

1 app4.7Weather

Windfinder competes for the same maritime audience by prioritizing hyper-local wind and wave data over general tide information.

Windy Weather World

known forWindy.app — Wind, Tides, Radar

1 app4.7Weather

Windy.app targets the same outdoor enthusiast segment as Tide Charts but shifts focus toward granular meteorological data for wind sports.

New entrants(4)

Air Apps Systems

known forCalculator Air: AI Math Solver

1 app4.7Utilities

An emerging threat that is aggressively integrating AI math-solving features to capture the modern, tech-forward user segment.

App ahead

known forAspect Ratio Pro

1 app4.0Utilities

A niche utility newcomer that focuses on a specific calculation task, potentially fragmenting the broader calculator market.

Jeremy Mitchell

known forLunar Lore

1 app0.0Weather

Lunar Lore is an adjacent utility that focuses on the lunar data component found in Tide Charts but expands it into cultural and reflective use cases.

Olawale Olatunde

known forTorispherical Tank Calculator

1 app5.0Utilities

Represents the trend of hyper-specialized calculators that solve complex industrial problems better than general-purpose apps.

The Analyst's Read

The bottom line on 7th Gear

Bottom line

7th Gear is a specialized indie publisher that has successfully scaled two high-utility apps to nearly 900,000 combined reviews. Their ability to maintain top-tier ratings in the Utilities and Weather categories suggests a highly effective, low-overhead maintenance strategy for evergreen mobile tools.

Frequently asked questions

How many apps does 7th Gear publish?
7th Gear has 4 apps tracked by Marlvel, primarily in the Utilities category.
What kind of apps does 7th Gear make?
7th Gear's portfolio is concentrated in Utilities and Utilidades, with an average rating of 4.6/5 across rated apps.
What is 7th Gear's top app?
By review volume across the portfolio, Calculator! is 7th Gear's best-known app tracked by Marlvel.
In how many countries are 7th Gear's apps available?
Marlvel has tracked 7th Gear's apps across 20 countries.

What fed this analysis

Apps analyzed:
2
With full intel:
0
With overview:
2
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 7th Gear, 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. “7th Gear intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/7th-gear

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Data licensed under CC-BY-NC 4.0