Random Number Generator. RNG vs MemDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Number generator (0-999999999)
- Letter generator
- Dice roller
- Custom list item generator
- Coin flipper
- Rock-Paper-Scissors
- Widgets and Apple Watch support
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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/
MemDeck
Practice card memorization with this app that shuffles decks and tests your recall. Track your progress and compete globally. Adjust deck size for all skill levels.
- Card shuffling and display
- Memorization timing
- Automatic answer checking
- Results recording
- Adjustable deck size
- Global leaderboards
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This app helps you practice card memorization. MemDeck shuffles a deck of cards and shows you the order. You see the cards to memorize the order. The app records how long do you take to memorize the cards and automatically checks your answer. The results are recorded and you can check them later. MemDeck helps not only pro memory athletes but also beginners! You can reduce the number of cards and practice with a smaller size of the deck. Sign in to Apple's GameCenter to see the world ranking of 13, 26, 39, and 52 cards.
Screenshots
Verdict
Random Number Generator. RNG and MemDeck both sit at 4.6 stars, but that hides the real split: 100% of MemDeck's written reviews are positive against 61% of Random Number Generator. RNG's. MemDeck also leads on iOS requirement (15.6 vs 17.0). Random Number Generator. RNG's advantage is ads (none vs shown) and ratings volume (3.3K vs 4). On price, rating, in-app purchases and monetization model 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. Random Number Generator. RNG sells 9 in-app purchases, starting at $2.99 per month and MemDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.6 for Random Number Generator. RNG against 4.8 for MemDeck. That said, the two scores are not equally well evidenced: Random Number Generator. RNG has 3.3K ratings behind it against 4, 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 MemDeck's.
Random Number Generator. RNG ships an update fortnightly, MemDeck every 6 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | Random Number Generator. RNG | MemDeck |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3.3K ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 60.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 3.3K — better | 4 |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 59 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Volodymyr Yahenskyi | Wataru Mera |
Customer experience
Random Number Generator. RNG
MemDeck
In-app purchases
Random Number Generator. RNG
- Monthly plan3 Days trial$2.991 Month
- Monthly plan$2.991 Month
- Monthly plan$4.991 Month
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- Weekly plan$4.997 Days
- Annual plan7 Days trial$19.991 Year
- Yearly plan7 Days trial$29.991 Year
- Annual plan$29.991 Year
- Lifetime. One-time purchase$35.99
- Lifetime plan$59.99
MemDeck
- Premium$4.99
Questions
Is Random Number Generator. RNG free?
Is MemDeck free?
Which has better reviews, Random Number Generator. RNG or MemDeck?
Do Random Number Generator. RNG or MemDeck have ads?
Which is updated more often, Random Number Generator. RNG or MemDeck?
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