# BackPin vs BackNineStrong Wedge Matrix

The clearest difference is update cadence: BackPin at every 4 days against BackNineStrong Wedge Matrix's every 3 weeks. BackPin also leads on iOS requirement (15.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BackPin sells 4 in-app purchases, starting at $2.99 per month and BackNineStrong Wedge Matrix sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

BackPin ships an update every 4 days, BackNineStrong Wedge Matrix every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | BackPin | BackNineStrong Wedge Matrix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 84 MB | 6 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [James Cosgrave](https://appshunter.io/developer/1865213313) | [DARRAN JASON COOKE](https://appshunter.io/developer/1871474007) |

## What reviewers say

### BackPin

[App page](https://appshunter.io/ios/app/backpin/id6757196240)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Society Max Monthly | $9.99 | per month |
| Pro Yearly | $24.99 | per year |
| Society Max Yearly | $99.99 | per year |


### BackNineStrong Wedge Matrix

[App page](https://appshunter.io/ios/app/backninestrong-wedge-matrix/id6758211199)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| B9S Pro – Unlock Full Matrix | $2.99 | one-time |


## Frequently asked questions

### Is BackPin free?

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

### Is BackNineStrong Wedge Matrix free?

BackNineStrong Wedge Matrix is free to download, with in-app purchases available.

### Do BackPin or BackNineStrong Wedge Matrix have ads?

Neither BackPin nor BackNineStrong Wedge Matrix shows ads.

### Which is updated more often, BackPin or BackNineStrong Wedge Matrix?

BackPin ships an update every 4 days, and BackNineStrong Wedge Matrix every 3 weeks. Most recently, BackPin was updated on October 31, 2026 and BackNineStrong Wedge Matrix on October 31, 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.*