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Time Duration/Add Calculator vs its rivals

Side-by-side comparison against Time Duration/Add Calculator's closest competitors: identity, store metrics, ratings & sentiment, and strategic intel.

Time Duration/Add Calculator
This App
Date & Time Calculator(9 in 1)
Nemesis
Time Calc. Pro
Contender
Age Calculator & Date of Birth
Peer
iCalc Lite - Calculator
Peer
Time Duration Calculator
Peer
Dash Calc: Simple Fast Math
Peer
Age Calculator – Date Counter
New Kid
Core Identity
DeveloperKouji YamauchiThomas TsopanakisHiroyuki NishijimaElQube TechGilbert Montane Pinto俊华 罗Enbright LLCMustafa Kulac
CategoryUtilitiesBusinessUtilitiesToolsUtilitiesEducationUtilitiesUtilities
PlatformiOS, AndroidAndroid, iOSiOSAndroidiOSiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating0.0 / 54.7 / 50.0 / 54.5 / 54.6 / 55.0 / 55.0 / 50.0 / 5
Ratings Count01,909078,68812130
PriceFree$0.99$0.99FreeFreeFree$4$3.99
Release DateJul 1, 2020Jun 28, 2012Apr 24, 2020Mar 31, 2019Nov 15, 2016Jan 24, 2018Nov 16, 2024Mar 16, 2026
Last UpdatedFeb 15, 2024May 4, 2026Nov 4, 2024May 6, 2026Jan 14, 2024Jan 24, 2018Apr 27, 2026Apr 13, 2026
Sentiment & Reviews
Sentiment-positive---mixedexcellent-
Score-75/100---52/10090/100-
Praises-
  • Accurate time and date calculation tools provide significant utility for professional scheduling and academic planning
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  • Minimalist design philosophy avoids intrusive advertisements and recurring monthly subscription costs for users
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Complaints-
  • Intrusive full-screen advertisements disrupt the user experience during split-screen multitasking and time-sensitive calculations
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Requests-
  • Home screen widget integration would allow for faster access to accurate time and date information
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Strategic Intel
Strengths
  • Ad-supported model removes the entry barrier for casual users.
  • Specialized calculation engine provides high-precision utility for professional scheduling
  • Analog widget drives daily home-screen visibility
  • Ad-free interface maximizes history log visibility
  • Customizable key layouts provide ergonomic flexibility
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  • Specialized focus on time-duration logic provides a cleaner, less cluttered UX for specific date-math tasks.
  • 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
  • Offline-only architecture ensures data privacy
  • Specialized asset tracking for warranties creates a unique utility niche
Weaknesses
  • Zero-rating profile across both platforms signals low user engagement.
  • No updates since early 2024 on iOS and 2023 on Android.
  • Lack of wearable or cross-platform sync features.
  • Full-screen ads block visibility during split-screen usage
  • Persistent crash reports during standard operations
  • Premium tier at $0.99 above category median
  • Lacks unit conversion tools found in rivals
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  • 2.6★ Android rating indicates poor user satisfaction.
  • No paid tier limits revenue potential to ad-inventory.
  • Premium tier at $4.00 above category median
  • No scientific functions restricts addressable market
  • Limited user base restricts organic discovery velocity
  • High $3.99 entry barrier for casual users
  • Lacks multi-purpose utility of category-leading calculators
Pricingfreefreemiumpaidfreefreemiumfreepaidpaid
MomentumZombieSteadyZombie--ZombieIntenseMaintenance
Update Cadence2 versions, ~387d avg5 versions1 versions--2 versions, ~2033d avg5 versions1 versions

Compare Time Duration/Add Calculator 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 Time Duration/Add Calculator, 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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