Comparison

Probability Distribution vs Binomial Distribution Calc

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

Head to head
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.

About

Binomial Distribution Calc

Features
Read full description

Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate cumulative probabilities P(X ≤ k) and P(X > k), as well as expected value E(X), variance Var(X), and standard deviation σ – with histogram and distribution function. GET STARTED Enter your values in the correct fields and get started. You receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COST Everything is free to use. 24/7 access to your solutions. All solution steps are always fully available. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback for incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

Screenshots

Probability Distribution4 screens
Binomial Distribution Calc4 screens

Verdict

The call

Probability Distribution and Binomial Distribution Calc are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and Binomial Distribution Calc sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Probability Distribution ships an update every 2 weeks, Binomial Distribution Calc every 3 weeks. The most recent releases landed on September 9, 2026 and August 15, 2026 respectively.

ScorecardNo meaningful differences
Probability Distribution versus Binomial Distribution Calc: the parameters behind the verdict, then further details
ParameterProbability DistributionBinomial Distribution Calc
PriceFreeFree
Rating4.5 (15 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size7 MB180 MB
Age rating4+4+
DeveloperMadiyar AitbayevGlindemann, Sennoun, Langer GbR

In-app purchases

1 purchases

Probability Distribution

One-time1
  • Unlock All Distributions$2.99
8 purchases

Binomial Distribution Calc

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Lifetime Access$1.99
  • Remove Ads$1.99

Questions

Is Probability Distribution free?
Probability Distribution is free to download, with in-app purchases available.
Is Binomial Distribution Calc free?
Binomial Distribution Calc is free to download, with in-app purchases available.
Do Probability Distribution or Binomial Distribution Calc have ads?
Neither Probability Distribution nor Binomial Distribution Calc shows ads.
Which is updated more often, Probability Distribution or Binomial Distribution Calc?
Probability Distribution ships an update every 2 weeks, and Binomial Distribution Calc every 3 weeks. Most recently, Probability Distribution was updated on September 9, 2026 and Binomial Distribution Calc on August 15, 2026.

Other comparisons