# Sketch vs Lotto Engine 2D

The clearest difference is review sentiment: Lotto Engine 2D at 100% against Sketch's 19%. Lotto Engine 2D also leads on rating (4.6 vs 2.8). Sketch's advantage is iOS requirement (7.0 vs 13.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Sketch sells 2 one-off in-app purchases and Lotto Engine 2D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lotto Engine 2D holds the better App Store score, 4.6 against 2.8. Both are backed by a comparable volume of ratings — 24 and 14 respectively. Written reviews point the same way: 19% of Sketch's written reviews are positive against 100% of Lotto Engine 2D's.

Sketch ships an update every 2 months, Lotto Engine 2D every 5 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sketch | Lotto Engine 2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (24 ratings)](https://appshunter.io/ios/app/sketch/id467931206/reviews) | **[4.6 (14 ratings)](https://appshunter.io/ios/app/lotto-engine-2d/id1638054406/reviews)** |
| Number of ratings | **24** | 14 |
| Positive reviews | 18.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 17 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Orgajja Co Ltd](https://appshunter.io/developer/368955015) | [何均 邓](https://appshunter.io/developer/1621073530) |

## What reviewers say

### Sketch

[App page](https://appshunter.io/ios/app/sketch/id467931206)

This application allows users to create sketches. It provides a variety of sample options to aid in the sketching process. Get started with your creative ideas today.

**Highlights:** Create sketches, Wide range of samples, Note-taking functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| small point | $0.99 | one-time |
| big point | $2.99 | one-time |

**What reviewers like**

- 💡 Simple and efficient sketching
- 👍 Good for quick ideas and sketches
- 👍 Decent for basic drawing needs

**What reviewers complain about**

- 🐛 Difficult to navigate and use
- 🐛 Frequent crashes and bugs
- 🔍 Limited functionality and tools
- 💸 Ads even after paid upgrade
- 🔍 Unintuitive user interface

**Reported bugs**

- Saved drawings get corrupted or deleted
- App crashes when trying to save drawings
- Sketches get overlaid with random marks and lines

**Requested features**

- Add an eraser tool
- Improve color selection and customization
- Implement undo/redo functionality
- Allow resizing of the canvas
- Add the ability to import and sketch over photos


### 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 Sketch free?

Sketch 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, Sketch or Lotto Engine 2D?

Lotto Engine 2D is rated higher. Sketch averages 2.8 out of 5 from 24 ratings, while Lotto Engine 2D averages 4.6 from 14 ratings.

### Do Sketch or Lotto Engine 2D have ads?

Neither Sketch nor Lotto Engine 2D shows ads.

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

Sketch ships an update every 2 months, and Lotto Engine 2D every 5 weeks. Most recently, Sketch was updated on October 15, 2026 and Lotto Engine 2D 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.*