Comparison

Binomial Calculator vs TouchGrass Screen Time Control

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

Head to head
About

Binomial Calculator

Features
Read full description

The fastest, most intuitive binomial probability calculator for students, researchers, and statisticians. Whether you're studying for a statistics exam, analyzing research data, or solving probability problems, Binomial Calculator delivers precise results with stunning visualizations—all in seconds. POWERFUL CALCULATIONS Probability Mass Function (PMF) — P(X = x) Lower Cumulative Distribution (CDF) — P(X ≤ x) Upper Cumulative Distribution — P(X ≥ x) Mean (μ) and Variance (σ²) INTERACTIVE VISUALIZATION Beautiful color-coded distribution chart Tap the chart to instantly select any x value Mean indicator with smart axis scaling Automatically focuses on the relevant portion of the curve DESIGNED FOR PRODUCTIVITY Copy any result with a single tap Export calculations to share or save Haptic feedback for tactile interaction Instant calculations—no waiting BEAUTIFUL, MODERN INTERFACE Premium glassmorphism design Smooth animations throughout Full dark mode support Clean, distraction-free layout PERFECT FOR: Statistics students & professors Data scientists & analysts Quality control professionals Researchers & academics AP Statistics & college courses Master binomial distributions with the calculator that makes probability beautiful.

About

TouchGrass Screen Time Control

This app encourages you to reduce screen time by nurturing a virtual plant that grows based on your usage habits. Build focus streaks and commit to dedicated sessions where you can set personal stakes for accountability.

Highlights
  • Virtual plant growth based on screen time
  • Focus session commitment
  • Streak building
  • Accountability stakes
  • App blocking
Features
Read full description

Touch Grass helps you reduce screen time by growing a plant that reflects your habits. Stay off distracting apps, build streaks, and commit to focus sessions where you put something on the line to stay accountable.

Screenshots

Binomial Calculator4 screens
TouchGrass Screen Time Control4 screens

Verdict

The call

The clearest difference is in-app purchases: Binomial Calculator at none against TouchGrass Screen Time Control's 6. TouchGrass Screen Time Control's advantage is ads (none vs shown) and update cadence (daily vs every 10 months). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. TouchGrass Screen Time Control sells 6 one-off in-app purchases. Binomial Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Binomial Calculator ships an update every 10 months, TouchGrass Screen Time Control daily. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Binomial Calculator versus TouchGrass Screen Time Control: the parameters behind the verdict, then further details
ParameterBinomial CalculatorTouchGrass Screen Time Control
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 10 monthsDaily — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.518.4 — better
Further details — not scored
Size5 MB25 MB
Age rating4+4+
DeveloperKevin TangJOSEPH SAMUEL GRZYB

In-app purchases

None

Binomial Calculator

No in-app purchases

6 purchases

TouchGrass Screen Time Control

One-time6
  • 20 Seeds$0.99
  • 100 Seeds$4.99
  • 200 Seeds$9.99
Show 3 more
  • 500 Seeds$24.99
  • 1,000 Seeds$49.99
  • 2,000 Seeds$99.99

Questions

Is Binomial Calculator free?
Binomial Calculator is free to download, with no in-app purchases.
Is TouchGrass Screen Time Control free?
TouchGrass Screen Time Control is free to download, with in-app purchases available.
Do Binomial Calculator or TouchGrass Screen Time Control have ads?
Binomial Calculator shows ads; TouchGrass Screen Time Control does not.
Which is updated more often, Binomial Calculator or TouchGrass Screen Time Control?
Binomial Calculator ships an update every 10 months, and TouchGrass Screen Time Control daily. Most recently, Binomial Calculator was updated on October 30, 2026 and TouchGrass Screen Time Control on October 31, 2026.

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