# Chartrix vs SpineRef

The clearest difference is iOS requirement: SpineRef at 15.1 against Chartrix's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chartrix ships an update every 5 days, SpineRef every 10 days. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Chartrix | SpineRef |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 19 MB | 61 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [CodersHigh](https://appshunter.io/developer/1881449719) | [Platform.AI Inc](https://appshunter.io/developer/1895482359) |

## What reviewers say

### Chartrix

[App page](https://appshunter.io/ios/app/chartrix/id6761618126)

**Features:** Vision Pro support

**In-app purchases:** none


### SpineRef

[App page](https://appshunter.io/ios/app/spineref/id6777927922)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chartrix free?

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

### Is SpineRef free?

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

### Do Chartrix or SpineRef have ads?

Neither Chartrix nor SpineRef shows ads.

### Which is updated more often, Chartrix or SpineRef?

Chartrix ships an update every 5 days, and SpineRef every 10 days. Most recently, Chartrix was updated on October 4, 2026 and SpineRef on September 26, 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.*