# Random Number Generator. RNG vs Lotto Engine 2D

Random Number Generator. RNG and Lotto Engine 2D both sit at 4.6 stars, but that hides the real split: 100% of Lotto Engine 2D's written reviews are positive against 61% of Random Number Generator. RNG's. Lotto Engine 2D also leads on iOS requirement (13.0 vs 17.0). Random Number Generator. RNG's advantage is ratings volume (3.3K vs 15) and update cadence (fortnightly vs every 5 weeks). On price, rating, ads and in-app purchases 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 Lotto Engine 2D 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 4.7 for Lotto Engine 2D. That said, the two scores are not equally well evidenced: Random Number Generator. RNG has 3.3K ratings behind it against 15, 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 Lotto Engine 2D's.

Random Number Generator. RNG ships an update fortnightly, Lotto Engine 2D every 5 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Random Number Generator. RNG | Lotto Engine 2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.3K ratings)](https://appshunter.io/ios/app/random-number-generator-rng/id1128190780/reviews) | **[4.7 (15 ratings)](https://appshunter.io/ios/app/lotto-engine-2d/id1638054406/reviews)** |
| Number of ratings | **3.3K** | 15 |
| Positive reviews | 60.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 59 MB | 17 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Yahenskyi](https://appshunter.io/developer/961335645) | [何均 邓](https://appshunter.io/developer/1621073530) |

## 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 |


### Lotto Engine 2D

[App page](https://appshunter.io/ios/app/lotto-engine-2d/id1638054406)

This app generates random numbers using a physics-based simulation of balls in a container. Personalize your experience by selecting favorite numbers and enjoy a fun, easy-to-use random number picker.

**Highlights:** Physics-based 2D/3D ball simulation, Random number generation, Customizable settings, Favorite number selection, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Very good software
- 👍 Reliable and durable
- 👍 Conscientious and careful maintenance
- 👍 No advertising


## Frequently asked questions

### Is Random Number Generator. RNG free?

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

### Is Lotto Engine 2D free?

Lotto Engine 2D is free to download, with in-app purchases available.

### Which has better reviews, Random Number Generator. RNG or Lotto Engine 2D?

Lotto Engine 2D is rated higher. Random Number Generator. RNG averages 4.6 out of 5 from 3.3K ratings, while Lotto Engine 2D averages 4.7 from 15 ratings.

### Do Random Number Generator. RNG or Lotto Engine 2D have ads?

Neither Random Number Generator. RNG nor Lotto Engine 2D shows ads.

### Which is updated more often, Random Number Generator. RNG or Lotto Engine 2D?

Random Number Generator. RNG ships an update fortnightly, and Lotto Engine 2D every 5 weeks. Most recently, Random Number Generator. RNG was updated on November 1, 2026 and Lotto Engine 2D 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.*