Comparison

Lottery Probability Calculator vs Lotto Engine 3D

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

Head to head
About

Lottery Probability Calculator

Features
Read full description

It is an application that calculates the probability of winning by lottery or gacha. Enter the probability of winning and how many times you will draw, and you can calculate the probability of winning more than once. Probabilities can also be entered as percentages and fractions. ・Probability of winning the lottery Calculate the probability of winning from the appearance rate and the number of trials. You can calculate the probability of winning more than once when you draw 100 times. Since the probability of obtaining 0 to 4 times and 5 times or more is also displayed, you can also check the probability of obtaining multiple times. ・Number of times to win the lottery Calculate the number of trials required to draw a hit from the appearance rate and acquisition probability. You can calculate how many times you have to draw a lottery with a probability of winning 0.1% to get a probability of 80% or more. The number of times in 5% increments for each probability of winning is also displayed in a list, so you can easily check the number of times you need. ・Probability of getting everything When there are multiple prizes in gacha etc., calculate the probability of getting all of them by subtracting the specified number of times. You can easily check the probability of completing the lottery with 10 types of prizes when you draw 30 times.

About

Lotto Engine 3D

This app simulates the physics of balls moving within a container, acting as a fun random number and ball generator. It's a useful tool for various applications, offering a creative and engaging experience.

Highlights
  • Physics engine simulation
  • Random ball generation
  • Random number generation
  • Creative utility tool
  • Automatic subscription option
Features
Read full description

A creative app that simulates the movement of a ball in a container, based on a real physics engine, a fun random ball generator and random number generator. It is a must-have gadget at home. ----------------------------------- 【Lotto Engine 3D Automatic Subscription Instructions】 1. Service Name: Lotto Engine 3D Weekly Subscription 2. Subscription period: 1 week 3. Price: $1.99 4. If you need to cancel the subscription, please manually open the "Settings" of iOS --> go to "iTunes Store & App Store" --> click "Apple ID", select "View Apple ID", enter the "Account Settings" page, click "Subscriptions", and select Lotto Engine 3D Weekly Subscription to cancel the subscription. If you do not close your subscription at least 24 hours before the end of the period, it will automatically renew. 5. Service Agreement (including rules for automatic subscription of super members): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 6. Privacy Agreement: https://github.com/denghejun/lotto_engine_tech_support/blob/main/privacy.md

Screenshots

Lottery Probability Calculator4 screens
Lotto Engine 3D3 screens

Verdict

The call

The clearest difference is in-app purchases: Lottery Probability Calculator at none against Lotto Engine 3D's 2. Lotto Engine 3D'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. Lotto Engine 3D sells 2 in-app purchases, starting at $1.99 per 7 days. Lottery Probability Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Lottery Probability Calculator ships an update every 10 months, Lotto Engine 3D daily. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 6 level
Lottery Probability Calculator versus Lotto Engine 3D: the parameters behind the verdict, then further details
ParameterLottery Probability CalculatorLotto Engine 3D
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 10 monthsDaily — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Subscription
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size17 MB19 MB
Age rating4+4+
DeveloperKouji Yamauchi何均 邓

In-app purchases

None

Lottery Probability Calculator

No in-app purchases

2 purchases

Lotto Engine 3D

Subscriptions1
  • Lotto Engine 3D Weekly Subs$1.997 Days
One-time1
  • Lotto Engine 3D Lifetime Right$3.99

Questions

Is Lottery Probability Calculator free?
Lottery Probability Calculator is free to download, with no in-app purchases.
Is Lotto Engine 3D free?
Lotto Engine 3D is free to download, with in-app purchases available.
Do Lottery Probability Calculator or Lotto Engine 3D have ads?
Lottery Probability Calculator shows ads; Lotto Engine 3D does not.
Which is updated more often, Lottery Probability Calculator or Lotto Engine 3D?
Lottery Probability Calculator ships an update every 10 months, and Lotto Engine 3D daily. Most recently, Lottery Probability Calculator was updated on November 7, 2026 and Lotto Engine 3D on November 4, 2026.

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