Comparison

Calculadora Muestral vs Probability Distribution

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

Head to head
About

Calculadora Muestral

Features
Read full description

Aplicación que estima la cantidad adecuada del número de muestra de una población de cualquier especie que es necesaria para alguna investigación o análisis.

About

Probability Distribution

This app allows users to calculate probabilities and visualize various continuous and discrete probability distributions. It supports a wide range of common distributions and plans to add more in the future.

Highlights
  • Calculate probabilities
  • Visualize distributions
  • Normal (Gaussian) distribution
  • Binomial distribution
  • Poisson distribution
  • Exponential distribution
Features
Read full description

Calculate probabilities and visualize probability distributions. Supported continuous probability distributions: - Normal (Gaussian) - t (Student's t) - Chi-Squared - F - Exponential - Gamma - Beta - Log-normal Supported discrete probability distributions: - Binomial - Poisson - Pascal - Geometric - Hypergeometric and more are coming.

Screenshots

Calculadora Muestral4 screens
Probability Distribution4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculadora Muestral at none against Probability Distribution's 1. Calculadora Muestral also leads on iOS requirement (13.0 vs 16.0). Probability Distribution's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and device support 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. Probability Distribution sells 1 one-off in-app purchase. Calculadora Muestral asks for nothing beyond the download.

UpkeepUpdate frequency

Calculadora Muestral ships an update every 8 months, Probability Distribution every 2 weeks. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Calculadora Muestral versus Probability Distribution: the parameters behind the verdict, then further details
ParameterCalculadora MuestralProbability Distribution
PriceFreeFree
Rating—4.5 (17 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—17 — better
Update frequencyEvery 8 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size19 MB7 MB
Age rating4+4+
DeveloperRafael Eduardo Pacheco GongoraMadiyar Aitbayev

In-app purchases

None

Calculadora Muestral

No in-app purchases

1 purchases

Probability Distribution

One-time1
  • Unlock All Distributions$2.99

Questions

Is Calculadora Muestral free?
Calculadora Muestral is free to download, with no in-app purchases.
Is Probability Distribution free?
Probability Distribution is free to download, with in-app purchases available.
Do Calculadora Muestral or Probability Distribution have ads?
Neither Calculadora Muestral nor Probability Distribution shows ads.
Which is updated more often, Calculadora Muestral or Probability Distribution?
Calculadora Muestral ships an update every 8 months, and Probability Distribution every 2 weeks. Most recently, Calculadora Muestral was updated on November 3, 2026 and Probability Distribution on November 3, 2026.

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