LabCal

LabCal

By iSheepSoft

LabCal is a free chemistry utility for molarity, dilution, and unit conversion on iOS.

The App DNA

What makes this app unique?

Users hire LabCal to perform rapid concentration calculations during chemistry coursework and lab bench work, replacing manual methods with a digital slider interface.

For Laboratory researchers and students requiring quick unit conversions and solution preparation calculations.

What does it look like?

Key features

Slider-controlled SI-prefixesedge

Adjusts SI-prefix values via slider interface for rapid unit scaling.

Molarity and dilution calculatorstandard

Computes molarity, gram-to-mole conversions, and stock solution dilutions.

How much does it cost?

freeFree

The app is distributed as a free utility with no visible monetization or subscription gates.

Velocity

Dormant developmentopaqueShow more...

The app has been inactive for four years, with no updates recorded since May 2022. There is no evidence of ongoing development, feature releases, or maintenance. The development status is classified as zombie due to the complete lack of activity over the last 48 months.

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Who built it?

iSheepSoft

1 app tracked · Reference

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User Sentiment

What do users think recently?

The recent review mood reads excited. Users appreciate chemistry students and lab technicians find the molarity calculator saves significant time during daily bench work and the free price point makes this utility accessible for students needing to double check class assignments.

How are ratings & reviews evolving?

App Store
1.86 · 7

What users say, by theme

What Users Love
  • Chemistry students and lab technicians find the molarity calculator saves significant time during daily bench work
  • The free price point makes this utility accessible for students needing to double check class assignments
What Frustrates Users
  • Application instability causes frequent crashes and black screens that prevent users from accessing the calculator interface
+ 1 more theme
What Users Want 2 requests inside

21 of 21 recent reviews analyzed · moderate confidence · Excited overall

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Unlock 1 more frustration theme and 2 user requests, each backed by review evidence.

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Competition

Competitive landscape for LabCal

How's the Reference market?

LabCal serves a niche chemistry reference segment on iOS, currently holding a 1.85-star rating across 21 reviews. The low rating relative to its utility-focused design signals that technical instability is significantly eroding its market position.

Read the market outlook

The rivals identified

Physics Formulas
Physics Formulasactive nemesis

By NSC Co.

This app competes directly with LabCal by providing a centralized repository of scientific calculation tools and reference data for students and laboratory professionals.

  • Offers multilingual support to reach global markets, whereas LabCal is currently limited to English.
  • Includes a dedicated favorite folder feature, allowing users to save and quickly access recurring calculations.
  • Provides a broader range of physics-based formulas that complement LabCal's chemistry-focused utility set.
LabCal vs Physics Formulas

Unlock the head-to-head verdict: where this rival wins, and where it loses.

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The Analyst's Read

Key takeaways for LabCal

Where is it heading?

Users report: The scientific reference market is consolidating around tools that offer high reliability and broad, verified data sets. LabCal's current maintenance-mode status leaves it exposed to more active competitors, so its long-term viability depends on immediate stability improvements.

  • Frequent launch-time crashes and black screens prevent access to the calculator interface, which compounds the rating drag already visible on the store.

The SWOT

Core Strengths
  • Slider-controlled SI-prefix interface enables rapid unit scaling for common chemistry workflows
Critical Frictions 2 weaknesses inside
Growth Levers
  • Integration of a database for common chemicals and SI units would improve professional utility
  • Adding field flexibility for mass-based calculations would address top user requests
Market Threats 1 threat identified

Next best moves

1 Invest · 1 Maintain

Audit launch-sequence code because users report frequent crashes and black screens → restore basic usability

+ 1 more prioritized move

The counter-intuitive read

The app's lack of monetization is a weakness, not a strength…

Read the full take

Feature gaps

Multilingual support (available in Physics Formulas but missing here) +1

Since the last report: LabCal's market position has declined due to newly identified technical instability and increased user complaints regarding core functionality, despite a higher volume of reviews.

Bottom line

LabCal provides a useful, free tool for chemistry calculations, but frequent crashes and imprecise controls drive users toward more reliable competitors, so the developer must prioritize stability to prevent total churn.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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Sources

  1. [1] App Store, source

Report last updated

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

What's new

LabCal's market position has declined due to newly identified technical instability and increased user complaints regarding core functionality, despite a higher volume of reviews.

declined

Emergence of critical stability complaints

Increased focus on input precision

Nemesis shift

Cite this report

Marlvel.ai. “LabCal Intelligence Report.” Updated Jul 22, 2026. https://marlvel.ai/apps/labcal

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