# Lotto Engine 2D vs 로또시그널 AI

The clearest difference is in-app purchases: 로또시그널 AI at none against Lotto Engine 2D's 1. Lotto Engine 2D's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Lotto Engine 2D sells 1 one-off in-app purchase. 로또시그널 AI asks for nothing beyond the download.

Lotto Engine 2D ships an update every 5 weeks, 로또시그널 AI every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Lotto Engine 2D | 로또시그널 AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/lotto-engine-2d/id1638054406/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 83 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [何均 邓](https://appshunter.io/developer/1621073530) | [mkideabox Co. Ltd.](https://appshunter.io/developer/1790563640) |

## What reviewers say

### 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


### 로또시그널 AI

[App page](https://appshunter.io/ios/app/ai/id6758536429)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lotto Engine 2D free?

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

### Is 로또시그널 AI free?

로또시그널 AI is free to download, with no in-app purchases.

### Do Lotto Engine 2D or 로또시그널 AI have ads?

로또시그널 AI shows ads; Lotto Engine 2D does not.

### Which is updated more often, Lotto Engine 2D or 로또시그널 AI?

Lotto Engine 2D ships an update every 5 weeks, and 로또시그널 AI every 3 weeks. Most recently, Lotto Engine 2D was updated on October 2, 2026 and 로또시그널 AI on October 2, 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.*