d20 Calculator vs its rivals

Side-by-side comparison against d20 Calculator's closest competitors — identity, store metrics, ratings & sentiment, and strategic intel.

Core Identity
DeveloperLion's DenTouseef Hassan NasirPace Apps Inc.Tommy UytterhaegenHarry FosterWontae LeeFabien Maurice
CategoryProductivityUtilitiesGamesUtilitiesUtilitiesProductivityEntertainment
PlatformiOSiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidiOS, AndroidiOS
Store Metrics
Rating4.7 / 50.0 / 54.3 / 54.2 / 54.5 / 50.0 / 50.0 / 5
Ratings Count3410182535,28400
PriceFreeFreeFreeFreeFreeFreeFree
Release DateFeb 17, 2014Aug 13, 2024May 11, 2016Feb 24, 2019Apr 13, 2021Jun 23, 2025Mar 26, 2025
Last UpdatedFeb 21, 2020Nov 26, 2025May 9, 2017Oct 29, 2025Apr 17, 2026May 5, 2026Nov 1, 2025
Sentiment & Reviews
Sentimentpositiveexcellent--excellent--
Score75/10085/100--85/100--
Praises
  • Calculator-style interface allows users to perform complex dice combinations with speed and accuracy
  • Preset score buttons allow for rapid input without opening the keyboard during fast-paced game sessions
  • Versatile game configuration options provide flexibility for diverse card and board game scoring requirements
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  • Simple and effective dice rolling mechanics provide a reliable tool for tabletop gaming sessions
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Complaints
  • Application crashes during purchase attempts and when saving multiple dice combinations
  • Active game configurations reset when switching between applications on mobile devices
  • Inability to modify player names or colors after the initial game setup is completed
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  • Unskippable video advertisements disrupt the flow of educational or tutoring sessions for some users
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Requests
  • Advanced dice logic features like automatic re-rolling of ones for specific game mechanics
  • Addition of a total score button to simplify end-of-game calculations for players
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  • Expanded dice configuration options to include specific dot counts like nine-sided variants
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Strategic Intel
Strengths
  • Calculator-style interface allows rapid input of complex dice formulas
  • Haptic feedback loop improves physical satisfaction of the input workflow
  • Clean, ad-free interface supports focused scorekeeping sessions
  • Lightweight interface enables immediate ad-hoc usage
  • JSON-based custom game editor provides rule flexibility
  • Deep BoardGameGeek integration provides comprehensive metadata
  • Open-format backup files reduce platform lock-in
  • Haptic feedback loop sustains session length
  • 0-100 custom range functions as functional moat
  • Specialized PAR level calculation for coral health
  • Marine-specific livestock compatibility logic
  • Minimalist UX reduces friction for casual users
  • Gesture-based error correction provides faster workflow
Weaknesses
  • Consistent crashes during purchase attempts and preset saving
  • State persistence failure during app switching causes data loss
  • Limited profile editing tools post-setup frustrate users
  • Local-only storage prevents cross-device sync
  • No feature updates since 2017
  • Lacks historical session audit logs
  • Manual entry friction for custom media
  • Ad-supported free tier drives churn
  • Unskippable video ads disrupt professional use
  • Occasional application hangs on specific hardware
  • No maintenance reminder system
  • Lacks chemical dosing calculators
  • No user-facing logbook functionality
  • No monetization strategy limits development
  • Lack of social features restricts organic growth
Pricingfreefreemiumfreefreemiumfreemiumfreefree
MomentumZombieMaintenanceZombie-MaintenanceMaintenanceMaintenance
Update Cadence1 versions2 versions, ~137d avg2 versions, ~3291d avg-2 versions, ~2d avg2 versions, ~16d avg1 versions

Compare d20 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 d20 Calculator, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Data licensed under CC-BY-NC 4.0