# Block Bros. vs NumFlow

The clearest difference is ads: Block Bros. at none against NumFlow's shown. Block Bros. also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Block Bros. sells 3 one-off in-app purchases and NumFlow sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Block Bros. ships an update every 3 days, NumFlow every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Block Bros. | NumFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 202 MB | 8 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Omer Faruk Alagoz](https://appshunter.io/developer/6807196208) | [Mustafa Ofluoglu](https://appshunter.io/developer/6794329369) |

## What reviewers say

### Block Bros.

[App page](https://appshunter.io/ios/app/block-bros/id6807196206)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Bundle | $0.99 | one-time |
| Master Bundle | $1.99 | one-time |
| Epic Bundle | $2.99 | one-time |


### NumFlow

[App page](https://appshunter.io/ios/app/numflow-number-puzzle/id6812376955)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Hints | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| 100 Hints | $8.99 | one-time |
| 300 Hints | $14.99 | one-time |


## Frequently asked questions

### Is Block Bros. free?

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

### Is NumFlow free?

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

### Do Block Bros. or NumFlow have ads?

NumFlow shows ads; Block Bros. does not.

### Which is updated more often, Block Bros. or NumFlow?

Block Bros. ships an update every 3 days, and NumFlow every 4 days. Most recently, Block Bros. was updated on October 31, 2026 and NumFlow on October 31, 2026.

---

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