# Only Screw Puzzles vs PixelFlow

The clearest difference is ads: PixelFlow at none against Only Screw Puzzles's shown. Only Screw Puzzles's advantage is update cadence (every 4 days vs every 9 days) and iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Only Screw Puzzles sells 3 in-app purchases, starting at $0.99 per month and PixelFlow sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Only Screw Puzzles ships an update every 4 days, PixelFlow every 9 days. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Only Screw Puzzles | PixelFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pixelflow-nonogram-puzzles/id6783973102/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | — | Freemium |
| Size | 65 MB | 12 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Damien Devillian](https://appshunter.io/developer/1785838605) | [JCY Advisors](https://appshunter.io/developer/1880786669) |

## What reviewers say

### Only Screw Puzzles

[App page](https://appshunter.io/ios/app/only-screw-puzzles/id6761984433)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $0.99 | per month |
| Six Months | $3.99 | per 6 months |
| One Year | $4.99 | per year |


### PixelFlow

[App page](https://appshunter.io/ios/app/pixelflow-nonogram-puzzles/id6783973102)

Engage your mind with logic-based picture puzzles. Fill in squares based on number clues to reveal hidden images. Enjoy a calm, ad-free experience with hundreds of puzzles and daily challenges.

**Highlights:** Logic-based picture puzzles, Hundreds of puzzles, Daily puzzles, Themed picture packs, Offline play, No timer pressure, Ad-free experience

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle Master Pass — Weekly | $1.99 | per 7 days |
| Puzzle Master Pass — Yearly | $49.99 | per year |
| All Picture Packs | $2.99 | one-time |
| Puzzle Master | $12.99 | one-time |


## Frequently asked questions

### Is Only Screw Puzzles free?

Only Screw Puzzles is free to download, with in-app purchases available.

### Is PixelFlow free?

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

### Do Only Screw Puzzles or PixelFlow have ads?

Only Screw Puzzles shows ads; PixelFlow does not.

### Which is updated more often, Only Screw Puzzles or PixelFlow?

Only Screw Puzzles ships an update every 4 days, and PixelFlow every 9 days. Most recently, Only Screw Puzzles was updated on September 29, 2026 and PixelFlow on October 5, 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.*