Probability vs Binomial Distribution Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Probability
Calculate probabilities, find percentiles, and visualize probability density or mass functions for a wide range of continuous and discrete statistical distributions. Explore common distributions like normal, binomial, Poisson, and many more.
- Compute probabilities
- Determine percentiles
- Plot probability density function
- Plot probability mass function
- Supports 10+ continuous distributions
- Supports 5+ discrete distributions
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Compute probabilities, determine percentiles, and plot the probability density function for the normal (Gaussian), t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Compute probabilities, approximate percentiles, and plot the probability mass function for the binomial, geometric, hypergeometric, Poisson, and negative binomial distributions.
Binomial Distribution Calc
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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
Verdict
The clearest difference is price: Binomial Distribution Calc at Free against Probability's $1.99. Binomial Distribution Calc also leads on update cadence (every 3 weeks vs every 3 months). Probability's advantage is in-app purchases (none vs 8) and chart position (#190 vs unranked). On ads, device support and iOS requirement 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
Binomial Distribution Calc is free to download; Probability costs $1.99 up front. Binomial Distribution Calc sells 8 one-off in-app purchases. Probability asks for nothing beyond the download.
Probability ships an update every 3 months, Binomial Distribution Calc every 3 weeks. The most recent releases landed on September 23, 2026 and August 15, 2026 respectively.
| Parameter | Probability | Binomial Distribution Calc |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.9 (193 ratings) — better | — |
| Positive reviews | 97.2% of reviews | — |
| Number of ratings | 193 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #190 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 180 MB |
| Age rating | 17+ | 4+ |
| Developer | Matthew Bognar | Glindemann, Sennoun, Langer GbR |
Bugs and requests
Probability
Requested features
7 requests- Exam mode similar to Geogebra
- Poisson distribution
- Allow setting plot boundaries (e.g., for Beta distribution)
- Make formulae available in offline mode
- Clearly introduce parameters
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- Add options after graph rendering (area above, between, outside values)
- Consistent terms for df across distributions
Binomial Distribution Calc
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Probability
No in-app purchases
Binomial Distribution Calc
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +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 free?
Is Binomial Distribution Calc free?
Do Probability or Binomial Distribution Calc have ads?
Which is updated more often, Probability or Binomial Distribution Calc?
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