# GridSum vs Ghost Maze Shooter

The clearest difference is in-app purchases: GridSum at none against Ghost Maze Shooter's 1. GridSum also leads on update cadence (daily vs every 4 days). Ghost Maze Shooter's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ghost Maze Shooter sells 1 one-off in-app purchase. GridSum asks for nothing beyond the download.

GridSum ships an update daily, Ghost Maze Shooter every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | GridSum | Ghost Maze Shooter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 days |
| Size | 9 MB | 47 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ori Hyams](https://appshunter.io/developer/1894042066) | [Eyal Silberman](https://appshunter.io/developer/1421743695) |

## What reviewers say

### GridSum

[App page](https://appshunter.io/ios/app/gridsum-math-puzzle/id6762402160)

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

**In-app purchases:** none


### Ghost Maze Shooter

[App page](https://appshunter.io/ios/app/ghost-maze-shooter/id6763116718)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ghost Maze Premium | $3.99 | one-time |


## Frequently asked questions

### Is GridSum free?

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

### Is Ghost Maze Shooter free?

Ghost Maze Shooter is free to download, with in-app purchases available.

### Do GridSum or Ghost Maze Shooter have ads?

GridSum shows ads; Ghost Maze Shooter does not.

### Which is updated more often, GridSum or Ghost Maze Shooter?

GridSum ships an update daily, and Ghost Maze Shooter every 4 days. Most recently, GridSum was updated on October 31, 2026 and Ghost Maze Shooter on October 31, 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.*