Comparison

Random Number Generator. RNG vs Lotto Engine 2D

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

Head to head
About

Random Number Generator. RNG

This app provides a versatile tool for generating random numbers, letters, and making decisions. It offers various randomization features like dice rolling, coin flipping, and custom list selection. Users can also utilize widgets and Apple Watch integration for quick access to random outcomes.

Highlights
  • Number generator (0-999999999)
  • Letter generator
  • Dice roller
  • Custom list item generator
  • Coin flipper
  • Rock-Paper-Scissors
  • Widgets and Apple Watch support
Features
Read full description

Random is a simple, powerful random generator for everyday decisions, games, raffles, classrooms, testing, and quick picks. Need a number? Rolling dice? Choosing from a list? Flipping a coin? Let Random decide. Generators: • Number generator • Letter generator • Dice roller • List picker • Yes or No • Coin flipper • Card generator • Rock Paper Scissors • Random map point • Color generator • Date & time generator Presets Save your favorite generator settings as presets and reuse them anytime. Presets work across the app, widgets, Shortcuts, and Apple Watch, so your most-used randomizers are always close. Widgets Add Random widgets to your Home Screen and generate results without opening the app. Use standard widgets for quick generators or preset widgets for your saved setups. Shortcuts Run supported generators and saved presets from Apple Shortcuts for faster workflows and automation. Apple Watch Use Random on Apple Watch to generate numbers, dice, coins, cards, lists, and more from your wrist. History View recent results in one shared Recent screen. Filter by generator and manage history when you want a clean start. Fast Controls Generate new results by tapping the randomize button, pressing the Spacebar on an external keyboard, or shaking your device. Touch and hold results to copy, clear, or manage them with context menus. Random Premium Upgrade to Random Premium to unlock more powerful features: • Save and run custom presets • Import lists from files or paste from the clipboard • Sync your data across devices • Customize app tints and icons • Support indie development Subscription Information Random Premium may be available as weekly, monthly, annual, or lifetime access depending on available offers. Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your App Store account settings. Prices and available plans are shown in the app before purchase. Terms & Conditions: https://yahenskyi.dev/terms-conditions/ Privacy Policy: https://yahenskyi.dev/privacy-policy/

About

Lotto Engine 2D

This app generates random numbers using a physics-based simulation of balls in a container. Personalize your experience by selecting favorite numbers and enjoy a fun, easy-to-use random number picker.

Highlights
  • Physics-based 2D/3D ball simulation
  • Random number generation
  • Customizable settings
  • Favorite number selection
  • Easy to use interface
Features
Read full description

Download the app today to personalize your experience by choosing your favorite numbers! A creative application that simulates the movement of a ball in a container, based on a real physics 2D/3D engine, a fun random ball generator. It is a must-have gadget. Easy to use and easy to custom settings. A handy random random number-picking tool. You need it!

Screenshots

Random Number Generator. RNG4 screens
Lotto Engine 2D3 screens

Verdict

The call

Random Number Generator. RNG and Lotto Engine 2D both sit at 4.6 stars, but that hides the real split: 100% of Lotto Engine 2D's written reviews are positive against 61% of Random Number Generator. RNG's. Lotto Engine 2D also leads on iOS requirement (13.0 vs 16.0). Random Number Generator. RNG's advantage is ratings volume (3.3K vs 14) and update cadence (every 2 weeks vs every 5 weeks). On price, rating, ads and in-app purchases 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. Random Number Generator. RNG sells 10 in-app purchases, starting at $2.99 per month and Lotto Engine 2D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Random Number Generator. RNG against 4.6 for Lotto Engine 2D. That said, the two scores are not equally well evidenced: Random Number Generator. RNG has 3.3K ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 61% of Random Number Generator. RNG's written reviews are positive against 100% of Lotto Engine 2D's.

UpkeepUpdate frequency

Random Number Generator. RNG ships an update every 2 weeks, Lotto Engine 2D every 5 weeks. The most recent releases landed on September 24, 2026 and July 6, 2026 respectively.

Scorecard4 real differences · 6 level
Random Number Generator. RNG versus Lotto Engine 2D: the parameters behind the verdict, then further details
ParameterRandom Number Generator. RNGLotto Engine 2D
PriceFreeFree
Rating4.6 (3.3K ratings)4.6 (14 ratings)
Positive reviews61.3% of reviews100.0% of reviews — better
Number of ratings3.3K — better14
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size59 MB17 MB
Age rating4+4+
DeveloperVolodymyr Yahenskyi何均 邓

Customer experience

Random Number Generator. RNG

All ratings3,305 ratings
Positive90.5%
Neutral3.9%
Negative5.6%
Written reviews225 reviews
Positive61.3%
Neutral10.7%
Negative28.0%

Lotto Engine 2D

All ratings14 ratings
Positive92.9%
Neutral0.0%
Negative7.1%
Written reviews49 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Random Number Generator. RNG

Subscriptions7
  • Monthly plan3 Days trial$2.991 Month
  • Monthly plan$2.991 Month
  • Monthly plan$4.991 Month
Show 4 more
  • Weekly plan$4.997 Days
  • Annual plan7 Days trial$19.991 Year
  • Yearly plan7 Days trial$29.991 Year
  • Annual plan$29.991 Year
One-time3
  • Remove ads$4.99
  • Lifetime. One-time purchase$35.99
  • Lifetime plan$59.99
1 purchases

Lotto Engine 2D

One-time1
  • Unlock All Features$1.99

Questions

Is Random Number Generator. RNG free?
Random Number Generator. RNG is free to download, with in-app purchases available.
Is Lotto Engine 2D free?
Lotto Engine 2D is free to download, with in-app purchases available.
Which has better reviews, Random Number Generator. RNG or Lotto Engine 2D?
Random Number Generator. RNG and Lotto Engine 2D are both rated 4.6 out of 5 on the App Store, from 3.3K and 14 ratings respectively.
Do Random Number Generator. RNG or Lotto Engine 2D have ads?
Neither Random Number Generator. RNG nor Lotto Engine 2D shows ads.
Which is updated more often, Random Number Generator. RNG or Lotto Engine 2D?
Random Number Generator. RNG ships an update every 2 weeks, and Lotto Engine 2D every 5 weeks. Most recently, Random Number Generator. RNG was updated on September 24, 2026 and Lotto Engine 2D on July 6, 2026.

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