# Orbit Grid vs NumFlow

The clearest difference is in-app purchases: Orbit Grid at none against NumFlow's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NumFlow sells 4 one-off in-app purchases. Orbit Grid asks for nothing beyond the download.

Orbit Grid ships an update every 5 days, NumFlow every 4 days. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Orbit Grid | NumFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Size | 45 MB | 8 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tom Aharonovich](https://appshunter.io/developer/6807131143) | [Mustafa Ofluoglu](https://appshunter.io/developer/6794329369) |

## What reviewers say

### Orbit Grid

[App page](https://appshunter.io/ios/app/orbit-grid-protocol-zero/id6807131141)

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

**In-app purchases:** none


### 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 Orbit Grid free?

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

### Is NumFlow free?

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

### Do Orbit Grid or NumFlow have ads?

Both Orbit Grid and NumFlow show ads.

### Which is updated more often, Orbit Grid or NumFlow?

Orbit Grid ships an update every 5 days, and NumFlow every 4 days. Most recently, Orbit Grid was updated on October 17, 2026 and NumFlow on October 9, 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.*