# CTO SSM vs SSMatter

The clearest difference is in-app purchases: SSMatter at none against CTO SSM's 1. SSMatter also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CTO SSM sells 1 in-app purchase, starting at $24.99 per month. SSMatter asks for nothing beyond the download.

CTO SSM ships an update fortnightly, SSMatter weekly. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | CTO SSM | SSMatter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 38 MB | 13 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CTO Medicina](https://appshunter.io/developer/597003826) | [Accademia Italiana Medici Specializzandi s.r.l.](https://appshunter.io/developer/1344217535) |

## What reviewers say

### CTO SSM

[App page](https://appshunter.io/ios/app/cto-ssm/id6743671817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abbonamento mensile. | $24.99 | per month |


### SSMatter

[App page](https://appshunter.io/ios/app/ssmatter/id6744527823)

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

**In-app purchases:** none


## Frequently asked questions

### Is CTO SSM free?

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

### Is SSMatter free?

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

### Do CTO SSM or SSMatter have ads?

Neither CTO SSM nor SSMatter shows ads.

### Which is updated more often, CTO SSM or SSMatter?

CTO SSM ships an update fortnightly, and SSMatter weekly. Most recently, CTO SSM was updated on September 30, 2026 and SSMatter on October 11, 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.*