# Cross Math vs Ghost Engine

The clearest difference is ratings volume: Cross Math at 1.3K against Ghost Engine's 1. Cross Math also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Cross Math against 5.0 for Ghost Engine. That said, the two scores are not equally well evidenced: Cross Math has 1.3K ratings behind it against 1, so its average is the more settled of the two.

Cross Math ships an update every 10 days, Ghost Engine every 2 weeks. The most recent releases landed on October 12, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Cross Math | Ghost Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.3K ratings)](https://appshunter.io/ios/app/cross-math-math-game/id6636473965/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ghost-engine/id6743984949/reviews)** |
| Number of ratings | **1.3K** | 1 |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 92 MB | 9 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Joy Star Games](https://appshunter.io/developer/1762773198) | [Paragon Codeworks LLC](https://appshunter.io/developer/322894466) |

## What reviewers say

### Cross Math

[App page](https://appshunter.io/ios/app/cross-math-math-game/id6636473965)

Engage your mind with a math puzzle game that uses addition, subtraction, multiplication, and division. Progress through increasingly difficult levels, track your performance, and enjoy daily challenges to sharpen your logic and math skills.

**Highlights:** Arithmetic puzzles (add, subtract, multiply, divide), Progressive difficulty levels, Unlimited undo function, In-game hints, Progress statistics, Daily challenges

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great gameplay and controls
- 💡 Mentally challenging and fun
- 🧠 Helps with math and logical thinking
- 🎮 Enjoyable math game

**What reviewers complain about**

- 🐛 Puzzle errors and unsolvable puzzles
- 🔍 Limited number of expert-level puzzles
- 📢 Excessive ads that are hard to close

**Reported bugs**

- App hanging and crashing when opened multiple times a day
- Ads causing an endless loop and requiring app restart

**Requested features**

- Ability to pay to remove ads
- Option to purchase hints


### Ghost Engine

[App page](https://appshunter.io/ios/app/ghost-engine/id6743984949)

Control a charming ghost train through a whimsical world, collecting Spritstones to power your journey. This game offers gentle thrills and colorful fun for players of all ages, featuring easy controls and a playful treasure hunt experience.

**Highlights:** Control a ghost train, Collect Spritstones, Explore whimsical worlds, Gentle thrills and fun, Easy controls, Treasure hunt gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cross Math free?

Cross Math is free to download, with no in-app purchases.

### Is Ghost Engine free?

Ghost Engine is free to download, with no in-app purchases.

### Which has better reviews, Cross Math or Ghost Engine?

Ghost Engine is rated higher. Cross Math averages 4.9 out of 5 from 1.3K ratings, while Ghost Engine averages 5.0 from 1 ratings.

### Do Cross Math or Ghost Engine have ads?

Both Cross Math and Ghost Engine show ads.

### Which is updated more often, Cross Math or Ghost Engine?

Cross Math ships an update every 10 days, and Ghost Engine every 2 weeks. Most recently, Cross Math was updated on October 12, 2026 and Ghost Engine on September 21, 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.*