Comparison

Concentrations vs NAIIVE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Concentrations

Read full description

Concentrations is a powerful chemical calculator designed for laboratory professionals who need fast, accurate concentration calculations in the field. Say goodbye to manual dilution factor calculations, density conversions, and purity adjustments. The Problem We Solve: Ever needed to prepare a 1M sulfuric acid solution, but your stock bottle only shows "98% w/w" with molecular weight and density? Concentrations does the complex math for you instantly—just input your stock solution data and get precise preparation instructions with a single tap. Key Features: Smart Dilution Calculator – Calculate dilution parameters from stock solutions or known molar concentrations with ease Comprehensive Concentration Types – Support for Molar, Normal, Molal, Mole Fraction, Mass Concentration, Volume Fraction, and more Simple Input, Powerful Results – Enter your compound's molecular weight, desired concentration, and volume—Concentrations handles the rest Customizable Precision – Adjust decimal places in results to match your experimental requirements Localized Interface – Automatically adapts decimal indicators to your regional format Who It's For: Perfect for chemists, laboratory technicians, students, and researchers who need reliable concentration calculations without the hassle of manual computation. Stop fumbling with calculators and conversion tables. Get accurate results every time with Concentrations.

About

NAIIVE

This tool visualizes and analyzes atomistic simulations. It supports various scientific formats like LAMMPS, VASP, and GAMESS, making complex data accessible. Ideal for researchers and students in computational science.

Highlights
  • Atomistic simulation visualization
  • Analysis tool
  • LAMMPS support
  • VASP support
  • GAMESS support
  • Machine-learning force field support
Read full description

NAIIVE is an experimental scientific visualization and analysis tool designed for atomistic simulations. ## Scientific Format Support Native support for widely used atomistic simulation formats, including: • LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) Dump files (including .gz compressed trajectories) • VASP (Vienna Ab initio Simulation Package) POSCAR, OUTCAR, CHGCAR • GAMESS (General Atomic and Molecular Electronic Structure System) Input and output log files • Machine-learning force field and extended formats DeepMD (deepmd/npy, deepmd/raw) extended XYZ (extxyz)

Screenshots

Concentrations4 screens
NAIIVE4 screens

Verdict

The call

The clearest difference is device support: NAIIVE at 4 against Concentrations's 1. Concentrations's advantage is iOS requirement (18.5 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Concentrations ships an update every 3 months, NAIIVE every 6 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 7 level
Concentrations versus NAIIVE: the parameters behind the verdict, then further details
ParameterConcentrationsNAIIVE
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad, Mac, Vision Pro — better
Requires iOS18.5 — better26.0
Further details — not scored
Size7 MB23 MB
Age rating4+4+
DeveloperMarcal Casas CartagenaRui Zhou

In-app purchases

None

Concentrations

No in-app purchases

None

NAIIVE

No in-app purchases

Questions

Is Concentrations free?
Concentrations is free to download, with no in-app purchases.
Is NAIIVE free?
NAIIVE is free to download, with no in-app purchases.
Do Concentrations or NAIIVE have ads?
Neither Concentrations nor NAIIVE shows ads.
Which is updated more often, Concentrations or NAIIVE?
Concentrations ships an update every 3 months, and NAIIVE every 6 weeks. Most recently, Concentrations was updated on October 1, 2026 and NAIIVE on October 5, 2026.

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