Comparison

Rand Omm vs Probability Sim

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

Head to head
About

Rand Omm

Effortlessly generate random numbers for any purpose, from games and raffles to everyday decisions. Features include custom ranges, spoken announcements, and ambient sound for an immersive experience. Simple, intuitive, and distraction-free.

Highlights
  • Custom number range (From/To)
  • Tap or shake to generate
  • Optional spoken number announcements
  • Built-in ambient sound
  • Allow or disallow repeated numbers
  • Light and dark appearance
Read full description

A beautifully simple random number generator for everyday choices, games, raffles, and everything in between. Rand Omm turns picking a random number into something effortless. Set your range, then simply tap the screen or shake your phone to generate the next number. No complicated controls. No clutter. Just a fast, intuitive random number picker that’s always ready when you need it. NOW YOUR NUMBERS CAN SPEAK Turn on voice announcements and Rand Omm will read each generated number aloud, so you don’t even need to look at the screen. Choose from the voices available on your device and find one that suits you. It’s perfect for board games, group activities, workouts, classrooms, raffles, or any situation where everyone needs to hear the result. ADD A LITTLE ATMOSPHERE Enable the built-in ambient sound for a calmer, more immersive experience. Rand Omm can gently play ambient audio in the background while you generate numbers, automatically keeping spoken results clear and easy to hear. SHAKE. TAP. RANDOM. Generating a number takes one gesture. Tap anywhere on the screen when you want the next result—or simply shake your phone. Rand Omm was designed to make repeated random selections quick and natural. CHOOSE YOUR RANGE Need a number from 1 to 10? 1 to 100? 500 to 10,000? Set From and To, and Rand Omm takes care of the rest. Use a small range as a virtual dice or choose a much larger range for raffles, draws, games, and random selections. ALLOW REPEATS—OR DON’T Decide whether previously generated numbers can appear again. Turn repeats off when you need to work through a range without picking the same number twice. This makes Rand Omm useful as a simple raffle picker, bingo number generator, classroom number picker, or random selection tool. MADE FOR MORE THAN ONE THING Use Rand Omm for: • Random number generation • Board games and party games • Raffles and lucky draws • Bingo • Lottery number picking • Truth or dare • Random decisions • Classroom activities • Student selection • Team building • Exercise and workout challenges • Choosing turns or player order • Virtual dice • Random challenges • Giveaways and winner selection • Everyday choices Or invent your own use for it. SIMPLE BY DESIGN Rand Omm is intentionally minimal. The interface stays out of your way so you can open the app and immediately generate a number. Switch between light and dark appearances, use shake-to-generate when you want a hands-free interaction, enable spoken results when you want to hear the number, or keep everything silent and simple. KEY FEATURES • Fast random number generator • Custom From and To range • Optional repeated or non-repeated numbers • Tap to generate • Shake to generate • Spoken number announcements • Choice of available device voices • Built-in ambient sound • Light and dark appearance • Clean, distraction-free interface • No account required • No ads Whether you need a random number picker, RNG, raffle number generator, decision maker, virtual dice, bingo picker, or simply a quick way to leave something up to chance, Rand Omm keeps it simple. NO ADS. NO DISTRACTIONS. We believe a simple utility should feel simple to use. That’s why Rand Omm has no advertising. The core experience remains free, without ads getting between you and the next number. Terms of Use: https://kamora.vn/terms Privacy Policy: https://kamora.vn/privacy

About

Probability Sim

Features
Read full description

Probability Simulator 1T Trials is a powerful simulation app that lets you test probabilities to the extreme. Run up to 1 trillion trials and calculate probabilities as low as 1 in a trillion. Choose from decimal, percentage, or fraction notation. Simultaneously run multiple probability events for complex calculations. Perfect for statistics enthusiasts, mathematicians, and anyone interested in random trials. Sharpen your probability intuition and gain real insights from large-scale simulations.

Screenshots

Rand Omm4 screens
Probability Sim2 screens

Verdict

The call

The clearest difference is in-app purchases: Rand Omm at none against Probability Sim's 2. Rand Omm also leads on ads (none vs shown) and update cadence (every 2 months 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. Probability Sim sells 2 in-app purchases, starting at $4.99 per month. Rand Omm asks for nothing beyond the download.

UpkeepUpdate frequency

Rand Omm ships an update every 2 months, Probability Sim every 10 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
Rand Omm versus Probability Sim: the parameters behind the verdict, then further details
ParameterRand OmmProbability Sim
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 10 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size25 MB29 MB
Age rating4+4+
DeveloperKamorakota tada

In-app purchases

None

Rand Omm

No in-app purchases

2 purchases

Probability Sim

Subscriptions2
  • Ad-free for 1 month7 Days trial$4.991 Month
  • Ad-free for 1 year14 Days trial$49.991 Year

Questions

Is Rand Omm free?
Rand Omm is free to download, with no in-app purchases.
Is Probability Sim free?
Probability Sim is free to download, with in-app purchases available.
Do Rand Omm or Probability Sim have ads?
Probability Sim shows ads; Rand Omm does not.
Which is updated more often, Rand Omm or Probability Sim?
Rand Omm ships an update every 2 months, and Probability Sim every 10 months. Most recently, Rand Omm was updated on October 24, 2026 and Probability Sim on October 30, 2026.

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