Random Input vs MemDeck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Random Input
This utility app generates random cards, suits, or numbers, acting as a virtual spectator with feedback. It serves as an introduction to more advanced magic training tools.
- Random card generation
- Random suit generation
- Random number generation (1-52)
- Virtual spectator feedback
- Introduction to magic training tools
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Random Input simply generates random cards, suites or numbers from 1 to 52 and serves as a virtual spectator who whispers you random feedback. Random Input serves as a a free introduction to 'Acaan Trainer', 'Stack Trainer', 'Twice as Hard Trainer', 'Serial Sum Trainer', and 'Gauge Trainer', which represent the single most unified set of technical learning tools for close-up magicians. These apps are available by this developer in the App Store. Swipe, swipe, touch. Swipe and again. Randomly. Additional information: - License agreement - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy policy - https://yeahgic.com/pge_PrivacyRandom.htm
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
The clearest difference is review sentiment: MemDeck at 100% against Random Input's 0%. MemDeck also leads on rating (5.0 vs 1.0) and monetization model (free with in-app purchases vs subscription). Random Input's advantage is ads (none vs shown). On price, in-app purchases, 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
Both are free to download. Random Input sells 2 in-app purchases, starting at $0.99 per 3 months and MemDeck sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
MemDeck holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Random Input's written reviews are positive against 100% of MemDeck's.
Random Input ships an update every 5 months, MemDeck every 6 weeks. The most recent releases landed on August 28, 2026 and August 7, 2026 respectively.
| Parameter | Random Input | MemDeck |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 5 months | Every 6 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ralph Cos | Wataru Mera |
Customer experience
Random Input
MemDeck
In-app purchases
Random Input
- 3 Months Subscription3 Days trial$0.993 Months
- Annual Subscription3 Days trial$1.991 Year
MemDeck
- Premium$4.99
Questions
Is Random Input free?
Is MemDeck free?
Which has better reviews, Random Input or MemDeck?
Do Random Input or MemDeck have ads?
Which is updated more often, Random Input or MemDeck?
Other comparisons
