Comparison

Probability Distribution vs Binomial Coefficient 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 Coefficient Calc

Features
Read full description

Finish homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate factorials (n!) or binomial coefficients (n choose k). HOW IT WORKS Enter your values in the appropriate fields and get started. You’ll 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 always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback on 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 Coefficient Calc4 screens

Verdict

The call

Probability Distribution and Binomial Coefficient 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 Coefficient 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 Coefficient Calc every 3 weeks. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

ScorecardNo meaningful differences
Probability Distribution versus Binomial Coefficient Calc: the parameters behind the verdict, then further details
ParameterProbability DistributionBinomial Coefficient 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 MB179 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 Coefficient 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
  • Remove Ads$1.99
  • Lifetime Access$1.99

Questions

Is Probability Distribution free?
Probability Distribution is free to download, with in-app purchases available.
Is Binomial Coefficient Calc free?
Binomial Coefficient Calc is free to download, with in-app purchases available.
Do Probability Distribution or Binomial Coefficient Calc have ads?
Neither Probability Distribution nor Binomial Coefficient Calc shows ads.
Which is updated more often, Probability Distribution or Binomial Coefficient Calc?
Probability Distribution ships an update every 2 weeks, and Binomial Coefficient Calc every 3 weeks. Most recently, Probability Distribution was updated on September 9, 2026 and Binomial Coefficient Calc on September 14, 2026.

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