Comparison

TrueEntropy vs Random Number Generator

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

Head to head
About

TrueEntropy

This app leverages your smartphone's camera to produce genuine random numbers by capturing thermal noise. It generates a high volume of entropy, suitable for cryptographic purposes, and can output data locally or remotely.

Highlights
  • Generate true random numbers from thermal noise
  • Utilizes smartphone camera sensor
  • High volume entropy generation
  • Output binary files locally
  • Send entropy via cryptographic relays
  • Continuous generation mode
Features
Read full description

TrueEntropy uses your phone's camera to generate true random numbers derived from thermal noise. The camera in your smartphone is so advanced that it can detect even the smallest variations produced by fundamental particle physics. We capture thermal variations in every pixel of your phone's camera to create a powerful, high volume entropy random number generator. No need to move your phone - even if your phone is resting on a desktop, it is able to pick up a sufficient quantity of thermal variations to generate random numbers at a rate of 18Mb per minute. - Generate binary files for local use via AirDrop - Send entropy to a destination machine via cryptographic relays - Continuous generation mode to constantly reseed target machines

About

Random Number Generator

This tool generates integers or real numbers within a specified range and quantity. It offers customizable decimal precision, generation history, and a favorites list for easy recall. The app features a user-friendly interface with light and dark theme options.

Highlights
  • Generate integers and real numbers
  • Customizable range and quantity
  • Set decimal precision
  • Generation history
  • Save to favorites
  • Light and dark themes
Features
Read full description

Need a random number right now? Random Number Generator (RNG) gives you truly random integers or decimals in any range and any quantity, in an instant. Clean, fast and endlessly handy, it's the number randomizer built for researchers, teachers, gamers and anyone who needs a fair, unbiased pick. Set your minimum and maximum, choose how many numbers you want, dial in the decimal precision, and tap generate. Whether you're running a raffle, picking lottery numbers, rolling for a game or sampling data, you'll have your result before you can say "pick a number." WHY YOU'LL LOVE RANDOM NUMBER GENERATOR • Any range — set any minimum and maximum you like. • Integers or decimals — generate whole or fractional numbers. • Custom quantity — produce one number or a whole list at once. • Decimal precision — choose exactly how many decimal places you need. • Generation history — never lose track of past results. • Favorites — save the numbers you want to keep. • One-tap copy — copy any result with a single tap. • Light & dark themes — a sleek, minimalist design. • Works offline — available in 70+ languages. FAIR, FAST AND UNBIASED When you need an impartial choice, human "randomness" just won't do. RNG delivers genuinely random results every time, so giveaways feel fair, experiments stay valid, and decisions are settled without argument. Let the numbers decide. ENDLESS EVERYDAY USES • Run raffles, giveaways and prize draws. • Pick lottery and lucky numbers. • Roll virtual dice for board and party games. • Choose a random winner, seat, team or turn order. • Sample data and generate test values for research. BUILT FOR PROFESSIONALS AND PLAYERS ALIKE Statisticians and scientists rely on solid randomness; families and friends just want a fun, fair way to choose. RNG serves both with the same quick, dependable engine — precise enough for serious work, simple enough for game night. HOW IT WORKS 1. Set your minimum, maximum and quantity. 2. Choose integers or decimals and the precision. 3. Tap generate, then copy or favorite your result. PERFECT FOR • Researchers, teachers and statisticians. • Raffles, contests and giveaways. • Gamers, hobbyists and decision-makers. • Anyone who needs a number, fast and fair. Stop second-guessing and let chance do the work. With Random Number Generator, a perfectly random pick is always one tap away — accurate, instant and completely impartial. SIMPLE, YET POWERFUL Behind the clean one-screen design sits a flexible engine that does exactly what you ask. Want a single number between 1 and 10? Done. Need 500 unique decimals to four places for an experiment? Just as easy. No clutter and no learning curve — only the controls you actually need. WHY PEOPLE LOVE A GOOD RANDOMIZER Randomness is everywhere: in science, in games, in fair decisions and in a little everyday luck. Having a dependable generator in your pocket means you're always ready to run the draw, settle the debate, choose the winner or add a spark of chance to whatever you're doing. KEEP AND REUSE YOUR RESULTS With a full generation history and favorites, the numbers you care about are never lost. Look back at previous draws, save the ones that matter, and copy any result to share it in a heartbeat. Random number generator (RNG): create random integers and decimals in any range and quantity, set min, max and precision, keep history and favorites, and pick numbers for lotteries, raffles, games and research. Download Random Number Generator today and leave it all to chance. Privacy Policy: https://www.shpavda.com/products/random-number-generator/privacy/ Terms & Conditions: https://www.shpavda.com/products/random-number-generator/terms/ios/

Screenshots

TrueEntropy3 screens
Random Number Generator4 screens

Verdict

The call

The clearest difference is in-app purchases: TrueEntropy at none against Random Number Generator's 2. TrueEntropy also leads on ads (none vs shown). Random Number Generator's advantage is update cadence (monthly vs every 41 months) and rating (4.9 vs 4.5). On price, ratings volume, 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. Random Number Generator sells 2 in-app purchases, starting at $0.99 per month. TrueEntropy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Random Number Generator holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 11 and 25 respectively.

UpkeepUpdate frequency

TrueEntropy ships an update every 41 months, Random Number Generator monthly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
TrueEntropy versus Random Number Generator: the parameters behind the verdict, then further details
ParameterTrueEntropyRandom Number Generator
PriceFreeFree
Rating4.5 (11 ratings)4.9 (25 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings1125 — better
Update frequencyEvery 41 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size10 MB112 MB
Age rating4+4+
DeveloperVault12, Inc.SHPAVDA, TOO

Customer experience

TrueEntropy

All ratings11 ratings
Positive90.9%
Neutral9.1%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Random Number Generator

All ratings25 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TrueEntropy

No in-app purchases

2 purchases

Random Number Generator

Subscriptions2
  • Monthly Ad-Free$0.991 Month
  • Yearly Ad-Free$7.991 Year

Questions

Is TrueEntropy free?
TrueEntropy is free to download, with no in-app purchases.
Is Random Number Generator free?
Random Number Generator is free to download, with in-app purchases available.
Which has better reviews, TrueEntropy or Random Number Generator?
Random Number Generator is rated higher. TrueEntropy averages 4.5 out of 5 from 11 ratings, while Random Number Generator averages 4.9 from 25 ratings.
Do TrueEntropy or Random Number Generator have ads?
Random Number Generator shows ads; TrueEntropy does not.
Which is updated more often, TrueEntropy or Random Number Generator?
TrueEntropy ships an update every 41 months, and Random Number Generator monthly. Most recently, TrueEntropy was updated on October 26, 2026 and Random Number Generator on October 24, 2026.

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