# BlockSum vs Pixie Grid

The clearest difference is update cadence: BlockSum at every 8 days against Pixie Grid's every 3 weeks. BlockSum also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. BlockSum sells 1 one-off in-app purchase and Pixie Grid sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BlockSum ships an update every 8 days, Pixie Grid every 3 weeks. The most recent releases landed on September 13, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | BlockSum | Pixie Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 41 MB | 6 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ercan Sozeri](https://appshunter.io/developer/1873742094) | [Leon Karas](https://appshunter.io/developer/1895817059) |

## What reviewers say

### BlockSum

[App page](https://appshunter.io/ios/app/blocksum-number-puzzle-game/id6759341394)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Edition (No Ads) | $3.99 | one-time |


### Pixie Grid

[App page](https://appshunter.io/ios/app/pixie-grid-nonogram/id6775828442)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Credits | $0.99 | one-time |
| 350 Credits | $2.99 | one-time |
| 800 Credits | $5.99 | one-time |
| Remove Ads | $5.99 | one-time |
| 1500 Credits | $9.99 | one-time |


## Frequently asked questions

### Is BlockSum free?

BlockSum is free to download, with in-app purchases available.

### Is Pixie Grid free?

Pixie Grid is free to download, with in-app purchases available.

### Do BlockSum or Pixie Grid have ads?

Both BlockSum and Pixie Grid show ads.

### Which is updated more often, BlockSum or Pixie Grid?

BlockSum ships an update every 8 days, and Pixie Grid every 3 weeks. Most recently, BlockSum was updated on September 13, 2026 and Pixie Grid on September 7, 2026.

---

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