RANDOM.ORG vs Randomizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RANDOM.ORG
Generate certified true random numbers and use various randomizing tools. This app provides a coin flipper, dice roller, card shuffler, lotto quick pick, integer generator, and list randomizer, all powered by atmospheric noise for high-quality randomness.
- Certified true randomness
- Coin flipper
- Dice roller
- Card shuffler
- Lotto quick pick
- Integer generator
- List randomizer
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All randomness wasn't created equal. This app offers certified true randomness, generated with atmospheric noise and independently approved by several testing labs. (See sample certificate from eCOGRA.) You can use our randomizers for free and without ads in this official app. If you would like to support our free services, you can do so by making a donation through our website: https://www.random.org/donate - Coin Flipper with 100 different coins from Ancient Rome to 27 modern currencies - Dice Roller to roll up to six regular dice in one go - Card Shuffler to shuffle playing cards and draw them one at a time - Lotto Quick Pick with more than 170 lotteries from all around the world - Integer Generator to generate true random numbers in configurable intervals - List Randomizer to create and randomize your own lists of items RANDOM.ORG was founded in 1998 and generates certified true randomness from atmospheric noise, which for many purposes is better than the pseudo-random numbers typically used in computer programs. Our mission is the generate the highest quality true randomness and make it available to the world in useful forms.
Randomizer
This app simplifies decision-making by introducing chance. It allows users to pick items from custom lists, shuffle existing lists, and generate random numbers within a specified range. Its clean design ensures a straightforward and fair experience for everyday choices.
- Pick from a list
- Shuffle lists
- Generate random numbers
- Customizable options
- Clean and simple design
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Make decisions simple with Randomizer, the easy way to add a bit of chance to your day. Whether you’re choosing what to eat, shuffling a list of players, or generating a lucky number, Randomizer helps you decide in seconds. What you can do • Pick from a list: Add your own options and let Randomizer choose one at random. • Shuffle lists: Quickly mix up any list with a single tap. • Generate numbers: Set a range and get a random number instantly. Why people love Randomizer • Clean, simple design. No clutter, just randomness • Random number generator and picker • Quick, reliable, and always fair From picking a winner to shuffling a playlist or rolling a number, Randomizer makes everyday choices effortless. Download Randomizer today and let chance decide for you. Privacy Policy: https://gradoid.com/randomizer/privacy.html Terms: https://gradoid.com/randomizer/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: RANDOM.ORG at none against Randomizer's 2. RANDOM.ORG also leads on ratings volume (1.4K vs 1). Randomizer's advantage is rating (5.0 vs 4.6) and iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support 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
Both are free to download. Randomizer sells 2 in-app purchases, starting at $2.99 per 7 days. RANDOM.ORG asks for nothing beyond the download.
Randomizer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: RANDOM.ORG has 1.4K ratings behind it against 1, so its average is the more settled of the two.
RANDOM.ORG ships an update every 3 months, Randomizer every 2 months. The most recent releases landed on November 13, 2026 and October 30, 2026 respectively.
| Parameter | RANDOM.ORG | Randomizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (1.4K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 59.5% of reviews | — |
| Number of ratings | 1.4K — better | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | RANDOM.ORG | GRADOID DOO NOVI SAD |
Customer experience
RANDOM.ORG
Randomizer
Bugs and requests
RANDOM.ORG
Reported bugs
3 issues- Random number generation issues (repeating numbers, inconsistent behavior)
- Compatibility problems with newer iOS versions
- Crashes when using certain features
Requested features
5 requests- Ability to paste long lists for randomization
- Support for multiple types of dice and dice rolling
- Customizable default settings
- Offline mode or local data storage
- Improved list management (sorting, reordering, etc.)
Randomizer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
RANDOM.ORG
No in-app purchases
Randomizer
- Randomizer Pro3 Days trial$2.997 Days
- Randomizer Pro$14.991 Year
Questions
Is RANDOM.ORG free?
Is Randomizer free?
Which has better reviews, RANDOM.ORG or Randomizer?
Do RANDOM.ORG or Randomizer have ads?
Which is updated more often, RANDOM.ORG or Randomizer?
Other comparisons
