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Unit Converter -- All In One vs its rivals

Side-by-side comparison against Unit Converter -- All In One's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Unit Converter -- All In One
This App
Cuspart: Unit Converter
Nemesis
Digital Temperature Converter
Contender
Nombres en Lettres
Contender
CNVRT: SI Unit Conversion Tool
Contender
Easy Converter - unit convert
Contender
Calculator Widget - Calcullo
Peer
Electric Motors Speed Calc
Peer
Dash Calc: Simple Fast Math
Peer
Calculator Pro Calculator
Peer
Core Identity
DeveloperFoodmatesss LimitedMustafa Tolga DALBUDAKZipoAppsWebtowebPascal Andraos福恩 毛Supagarn PattananuchartNitrioEnbright LLCMd Milon Hossain
CategoryUtilitiesUtilitiesUtilitiesToolsUtilitiesEducationUtilitiesUtilitiesUtilitiesUtilities
PlatformiOS, AndroidiOS, AndroidiOS, AndroidAndroidiOSiOSiOS, AndroidiOSiOS, AndroidiOS, Android
Store Metrics
Rating4.6 / 50.0 / 54.6 / 54.5 / 54.5 / 54.5 / 54.6 / 54.0 / 55.0 / 55.0 / 5
Ratings Count5201,1422,68718171218368
PriceFreeFreeFreeFree$4.99Free$0.99$2.99$4$0.99
Release DateAug 5, 2022Nov 5, 2022Feb 24, 2012Dec 6, 2018Feb 4, 2022Mar 16, 2011Sep 18, 2023Jan 6, 2019Nov 16, 2024May 3, 2024
Last UpdatedAug 19, 2022Feb 18, 2023Apr 9, 2025Jan 7, 2026Dec 6, 2023Apr 27, 2026Sep 15, 2025Jan 16, 2026Apr 27, 2026Dec 7, 2025
Sentiment & Reviews
Sentiment-positive-positive---excellentexcellent-
Score-85/100-85/100---90/10090/100-
Praises---
  • Simplicity and speed of conversion
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  • The core application experience provides a satisfying and enjoyable utility for the user base
  • Minimalist design philosophy avoids intrusive advertisements and recurring monthly subscription costs for users
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Complaints---
  • Lack of offline functionality
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Requests---
  • Advanced mathematical features
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Strategic Intel
Strengths
  • Niche 'Microwave Time' category provides specific utility for cooking-focused users.
  • Simple, focused interface reduces cognitive load for rapid, single-task conversions.
  • 400+ unit library provides broad utility for niche engineering segments
  • Offline currency conversion ensures functionality in low-connectivity environments
  • Formula-display mechanism provides educational value for students
  • Minimalist UI reduces cognitive load for single-task users
  • French-specific linguistic library creates a niche barrier against English-centric conversion suites
  • High-visibility interface reduces friction for administrative check-filling tasks
-
  • Minimalist interface reduces cognitive load for basic tasks
  • One-tap unit swap accelerates the primary user workflow
-
  • Focused interface tuned for motor physics
  • Lightweight footprint avoids calculator bloat
  • Minimalist design philosophy reduces cognitive load for daily math tasks
  • Smart History feature increases utility for recurring financial tracking
  • One-time purchase model builds trust with privacy-focused users
  • Minimalist design mimics native iOS experience
  • Multi-purpose utility set covers health and finance
  • Freemium model captures both iOS and Android segments
Weaknesses
  • 0-rating on Android platform indicates lack of user traction.
  • No offline functionality limits utility for travel environments.
  • Absence of advanced math-expression input restricts professional use cases.
  • Lack of home screen widgets limits daily active usage
  • One-time payment model restricts long-term revenue growth per user
  • Zero Android rating volume indicates failed platform adoption
  • Lacks home screen widgets compared to category incumbents
  • Ad-supported model creates session churn
  • No offline-save capability despite student-demographic reliance on low-connectivity environments
-
  • No offline currency conversion limits international utility
  • Lack of custom unit support restricts power-user retention
  • No monetization strategy limits long-term development
-
  • Premium tier at $2.99 above free category median
  • Low review volume limits social proof
  • Premium tier at $4.00 above category median
  • No scientific functions restricts addressable market
  • Limited user base restricts organic discovery velocity
  • Missing history tape vs market leaders
  • No real-time currency conversion
  • Android version lacks rating base
Pricingfreefreemiumfreefreemiumpaidfreepaidpaidpaidfreemium
MomentumZombieZombieZombieMaintenance-MaintenanceIntense-IntenseMaintenance
Update Cadence5 versions, 2 majors/6mo, ~3d avg2 versions, 1 majors/6mo, ~1082d avg2 versions, ~107d avg1 versions, 1 majors/6mo-1 versions, 1 majors/6mo5 versions-5 versions5 versions, 1 majors/6mo, ~47d avg

Compare Unit Converter -- All In One head-to-head

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Unit Converter -- All In One, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

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