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NPKalc - Fertilizer Calculator vs its rivals

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

NPKalc - Fertilizer Calculator
This App
Fluidd
Peer
RainPoint-TY
Peer
Mango Exposure: The Calculator
Peer
Fish Tank Buddy
Peer
Core Identity
DeveloperBarton ConeFluiddFujian Baldr Technology Co.,Ltd.Mango Umbrella LLCharry bloch
CategoryUtilitiesUtilitiesUtilitiesPhoto & VideoUtilities
PlatformiOS, AndroidiOSiOS, AndroidiOSiOS
Store Metrics
Rating4.5 / 51.0 / 54.6 / 55.0 / 55.0 / 5
Ratings Count1531,07811
PriceFreeFreeFreeFreeFree
Release DateMay 14, 2024Jun 11, 2023Feb 17, 2020Nov 22, 2019Apr 6, 2023
Last UpdatedMay 14, 2024Oct 19, 2024Aug 22, 2025Jan 13, 2026Apr 6, 2023
Sentiment & Reviews
Sentiment-terriblenegative--
Score-10/10025/100--
Praises--
  • Reliable hardware performance for basic irrigation tasks when the connection remains stable
--
Complaints--
  • Connectivity failures and device offline status following the latest software update
  • Opaque privacy policies and data collection practices linked to international jurisdictions
  • Inconsistent UI responsiveness and navigation issues during manual irrigation control
--
Requests--
  • Expanded manual watering duration limits beyond the current sixty minute cap
--
Strategic Intel
Strengths
  • Professional-grade calculation logic tailored for specific agricultural segments
  • Thread networking protocol provides a self-healing mesh foundation for device communication
  • AI-based guidance offers a path to differentiated cultivation insights
  • Proprietary hardware-software lock-in increases switching costs
  • Family sharing lowers household adoption friction
-
  • Bicarbonate calculator provides a specialized chemical dosing tool for pH-sensitive aquatic environments.
Weaknesses
  • Zero Android updates since 2021
  • No recurring engagement features to drive retention
  • 1.0-star rating across 3 reviews indicates critical stability failures
  • Software development appears secondary to hardware sales
  • 2.21 Android rating indicates severe post-update instability
  • Connectivity failures erode core utility
  • Privacy policy language triggers user distrust
-
  • Zero updates since the initial release in April 2023.
  • Single-review social proof limits new-user trust.
Pricingfreefreefreefreemiumfree
MomentumZombieZombieMaintenance-Zombie
Update Cadence2 versions, ~976d avg1 versions2 versions, ~2d avg-1 versions

Compare NPKalc - Fertilizer Calculator head-to-head

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AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by NPKalc - Fertilizer 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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