Comparison

Probability vs Statistics Calculator & Tutor

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

Head to head
About

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.

Highlights
  • Compute probabilities
  • Determine percentiles
  • Plot probability density function
  • Plot probability mass function
  • Supports 10+ continuous distributions
  • Supports 5+ discrete distributions
Features
Currently charting
Read full description

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.

About

Statistics Calculator & Tutor

Features
Read full description

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

Probability4 screens
Statistics Calculator & Tutor4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

Scorecard7 real differences · 4 level
Probability versus Statistics Calculator & Tutor: the parameters behind the verdict, then further details
ParameterProbabilityStatistics Calculator & Tutor
Price$1.99Free — better
Rating4.9 (193 ratings)5.0 (1 ratings) — better
Positive reviews97.2% of reviews—
Number of ratings193 — better1
Update frequencyEvery 3 monthsEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#196 — better—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size7 MB51 MB
Age rating17+4+
DeveloperMatthew BognarSerhii Shlykov

Customer experience

Probability

All ratings193 ratings
Positive96.9%
Neutral1.0%
Negative2.1%
Written reviews71 reviews
Positive97.2%
Neutral1.4%
Negative1.4%

Statistics Calculator & Tutor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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
Show 2 more
  • 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

None

Probability

No in-app purchases

5 purchases

Statistics Calculator & Tutor

Subscriptions5
  • 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
Show 2 more
  • Statistics Problem Solver AI Yearly3 Days trial$29.991 Year
  • Statistics Problem Solver AI Yearly$29.991 Year

Questions

Is Probability free?
Probability costs $1.99, with no in-app purchases.
Is Statistics Calculator & Tutor free?
Statistics Calculator & Tutor is free to download, with in-app purchases available.
Which has better reviews, Probability or Statistics Calculator & Tutor?
Statistics Calculator & Tutor is rated higher. Probability averages 4.9 out of 5 from 193 ratings, while Statistics Calculator & Tutor averages 5.0 from 1 ratings.
Do Probability or Statistics Calculator & Tutor have ads?
Statistics Calculator & Tutor shows ads; Probability does not.
Which is updated more often, Probability or Statistics Calculator & Tutor?
Probability ships an update every 3 months, and Statistics Calculator & Tutor every 3 months. Most recently, Probability was updated on October 24, 2026 and Statistics Calculator & Tutor on October 24, 2026.

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