# Random Number Generator. RNG vs MemDeck

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.

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.

## The numbers

| Metric | Random Number Generator. RNG | MemDeck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.3K ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id1128190780/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/memdeck-speed-card-practice/id1512368764/reviews)** |
| Number of ratings | **3.3K** | 4 |
| Positive reviews | 60.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 59 MB | 4 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Yahenskyi](https://appshunter.io/developer/961335645) | [Wataru Mera](https://appshunter.io/developer/1512368763) |

## What reviewers say

### Random Number Generator. RNG

[App page](https://appshunter.io/ios/app/random-number-generator-rng/id1128190780)

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.

**Highlights:** Number generator (0-999999999), Letter generator, Dice roller, Custom list item generator, Coin flipper, Rock-Paper-Scissors, Widgets and Apple Watch support

**Features:** Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $2.99 | per month |
| Monthly plan | $2.99 | per month |
| Monthly plan | $4.99 | per month |
| Weekly plan | $4.99 | per 7 days |
| Annual plan | $19.99 | per year |
| Yearly plan | $29.99 | per year |
| Annual plan | $29.99 | per year |
| Lifetime. One-time purchase | $35.99 | one-time |
| Lifetime plan | $59.99 | one-time |


### MemDeck

[App page](https://appshunter.io/ios/app/memdeck-speed-card-practice/id1512368764)

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.

**Highlights:** Card shuffling and display, Memorization timing, Automatic answer checking, Results recording, Adjustable deck size, Global leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is Random Number Generator. RNG free?

Random Number Generator. RNG is free to download, with in-app purchases available.

### Is MemDeck free?

MemDeck is free to download, with in-app purchases available.

### Which has better reviews, Random Number Generator. RNG or MemDeck?

MemDeck is rated higher. Random Number Generator. RNG averages 4.6 out of 5 from 3.3K ratings, while MemDeck averages 4.8 from 4 ratings.

### Do Random Number Generator. RNG or MemDeck have ads?

MemDeck shows ads; Random Number Generator. RNG does not.

### Which is updated more often, Random Number Generator. RNG or MemDeck?

Random Number Generator. RNG ships an update fortnightly, and MemDeck every 6 weeks. Most recently, Random Number Generator. RNG was updated on November 1, 2026 and MemDeck on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*