Probability vs Statistics Calculator & Tutor
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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Replace your statistical tables with an interactive, graphical app! Compute probabilities & percentiles, and plot the probability density/mass function for the normal (Gaussian), t, chi-square, F, exponential, gamma, beta, log-normal, and Uniform, binomial, geometric (2 versions), hypergeometric, Poisson, and negative binomial (2 versions) distributions. Now supports Español.
Statistics Calculator & Tutor
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Unlock the power of statistics with Statistics Solver AI - your personal tutor available anytime, anywhere. Whether you're dealing with probability, regression analysis, or hypothesis testing, this app makes complex statistical problems approachable and understandable. Feeling overwhelmed by statistics homework? Statistics Solver AI helps you move from confusion to clarity. It goes beyond just giving you answers by teaching you how to solve problems with detailed step-by-step explanations. You can ask follow-up questions, dive deeper into concepts, and keep your study notes organized effortlessly. Why students love Statistics Solver AI Snap and solve in seconds Capture a photo or enter your statistics problem to receive a clear, step-by-step solution quickly. Chat with your AI tutor Ask 'why,' 'how,' or 'what if' questions until you fully understand the concepts. Turn solutions into flashcards Transform solved problems into interactive flashcards to review formulas, definitions, and problem-solving methods. Study smarter Save time with explanations tailored to your learning level and pace. Topics covered Whether you're tackling probability distributions, inferential statistics, descriptive statistics, data analysis, sampling, or statistical tests, Statistics Solver AI adapts to your level and explains concepts in a way that feels accessible. From high school to college, this app helps make statistics more understandable. Perfect for - Students aiming for a deeper understanding - Parents assisting with homework - Test prep for SAT, ACT, AP, IB, and more - Independent learners building statistical skills We are always improving. Send feedback or ideas to support_stats@gritapps.com. Subscription information Payment will be charged to your iTunes Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current billing period. You can manage or cancel your subscription anytime in Account Settings. Your account will be charged for renewal within 24 hours before the end of the current period. Any unused portion of a free trial will be forfeited when you purchase a subscription. Terms of Use: https://filing-beacon.notion.site/Terms-of-Use-293f82bf870880899736c1f9e0bfc89b Privacy Policy: https://filing-beacon.notion.site/Privacy-Policy-293f82bf87088021a442c4b8e2e5ef7d
Screenshots
Verdict
The clearest difference is price: Statistics Calculator & Tutor at Free against Probability's $1.99. Statistics Calculator & Tutor also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). Probability's advantage is in-app purchases (none vs 5) and ads (none vs shown). On rating and update cadence 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
Statistics Calculator & Tutor is free to download; Probability costs $1.99 up front. Statistics Calculator & Tutor sells 5 in-app purchases, starting at $4.99 per 7 days. Probability asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for Probability against 5.0 for Statistics Calculator & Tutor. That said, the two scores are not equally well evidenced: Probability has 193 ratings behind it against 1, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.
| Parameter | Probability | Statistics Calculator & Tutor |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.9 (193 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 97.2% of reviews | — |
| Number of ratings | 193 — better | 1 |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #196 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 51 MB |
| Age rating | 17+ | 4+ |
| Developer | Matthew Bognar | Serhii Shlykov |
Customer experience
Probability
Statistics Calculator & Tutor
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
Statistics Calculator & Tutor
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Probability
No in-app purchases
Statistics Calculator & Tutor
- Statistics Problem Solver AI Weekly$4.997 Days
- Statistics Problem Solver AI Weekly3 Days trial$4.997 Days
- Statistics Problem Solver AI Yearly$19.991 Year
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- Statistics Problem Solver AI Yearly3 Days trial$29.991 Year
- Statistics Problem Solver AI Yearly$29.991 Year
Questions
Is Probability free?
Is Statistics Calculator & Tutor free?
Which has better reviews, Probability or Statistics Calculator & Tutor?
Do Probability or Statistics Calculator & Tutor have ads?
Which is updated more often, Probability or Statistics Calculator & Tutor?
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