# Lottery Probability Calculator vs Lotto Engine 3D

The clearest difference is in-app purchases: Lottery Probability Calculator at none against Lotto Engine 3D's 2. Lotto Engine 3D's advantage is ads (none vs shown) and update cadence (daily vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lotto Engine 3D sells 2 in-app purchases, starting at $1.99 per 7 days. Lottery Probability Calculator asks for nothing beyond the download.

Lottery Probability Calculator ships an update every 10 months, Lotto Engine 3D daily. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lottery Probability Calculator | Lotto Engine 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lotto-engine-3d/id6473097818/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Daily** |
| Monetization | — | Subscription |
| Size | 17 MB | 19 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [何均 邓](https://appshunter.io/developer/1621073530) |

## What reviewers say

### Lottery Probability Calculator

[App page](https://appshunter.io/ios/app/lottery-probability-calculator/id6448104037)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lotto Engine 3D

[App page](https://appshunter.io/ios/app/lotto-engine-3d/id6473097818)

This app simulates the physics of balls moving within a container, acting as a fun random number and ball generator. It's a useful tool for various applications, offering a creative and engaging experience.

**Highlights:** Physics engine simulation, Random ball generation, Random number generation, Creative utility tool, Automatic subscription option

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lotto Engine 3D Weekly Subs | $1.99 | per 7 days |
| Lotto Engine 3D Lifetime Right | $3.99 | one-time |


## Frequently asked questions

### Is Lottery Probability Calculator free?

Lottery Probability Calculator is free to download, with no in-app purchases.

### Is Lotto Engine 3D free?

Lotto Engine 3D is free to download, with in-app purchases available.

### Do Lottery Probability Calculator or Lotto Engine 3D have ads?

Lottery Probability Calculator shows ads; Lotto Engine 3D does not.

### Which is updated more often, Lottery Probability Calculator or Lotto Engine 3D?

Lottery Probability Calculator ships an update every 10 months, and Lotto Engine 3D daily. Most recently, Lottery Probability Calculator was updated on November 7, 2026 and Lotto Engine 3D on November 4, 2026.

---

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