# Brain Storm vs K.O. Nonogram Pro

The clearest difference is price: Brain Storm at $0.99 against K.O. Nonogram Pro's $9.99. Brain Storm also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On update cadence, in-app purchases and device support there is nothing between them.

Brain Storm costs $0.99 and K.O. Nonogram Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Brain Storm ships an update every 8 days, K.O. Nonogram Pro every 6 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Brain Storm | K.O. Nonogram Pro |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 days | **Every 6 days** |
| Monetization | — | Paid |
| Size | 57 MB | 28 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [大勤 文](https://appshunter.io/developer/1559503317) | [又瑞 韦](https://appshunter.io/developer/1625836878) |

## What reviewers say

### Brain Storm

[App page](https://appshunter.io/ios/app/brain-stormchallenge-time/id1559506289)

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

**In-app purchases:** none


### K.O. Nonogram Pro

[App page](https://appshunter.io/ios/app/ko-nonogram-pro/id6737248261)

This app provides instant solutions and solving steps for Nonogram puzzles. It supports grids from 5x5 to 50x50 and offers features like cloud backup and printing capabilities. Enjoy an ad-free experience with unlimited prompts and access to all puzzles.

**Highlights:** Instant puzzle solutions, Unlimited prompts, Unlock all puzzles, Print puzzles, Cloud backup, Supports 5x5 to 50x50 grids

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Storm free?

Brain Storm costs $0.99, with no in-app purchases.

### Is K.O. Nonogram Pro free?

K.O. Nonogram Pro costs $9.99, with no in-app purchases.

### Do Brain Storm or K.O. Nonogram Pro have ads?

K.O. Nonogram Pro shows ads; Brain Storm does not.

### Which is updated more often, Brain Storm or K.O. Nonogram Pro?

Brain Storm ships an update every 8 days, and K.O. Nonogram Pro every 6 days. Most recently, Brain Storm was updated on October 24, 2026 and K.O. Nonogram Pro on October 7, 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.*