# INTERCheck vs CTO SSM

The clearest difference is in-app purchases: INTERCheck at none against CTO SSM's 1. CTO SSM's advantage is update cadence (fortnightly vs every 3 months). 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. INTERCheck asks for nothing beyond the download.

INTERCheck ships an update every 3 months, CTO SSM fortnightly. The most recent releases landed on June 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | INTERCheck | CTO SSM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 26 MB | 38 MB |
| Requires iOS | **14.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Tiknil srl](https://appshunter.io/developer/1129683048) | [CTO Medicina](https://appshunter.io/developer/597003826) |

## What reviewers say

### INTERCheck

[App page](https://appshunter.io/ios/app/intercheck/id1129683049)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is INTERCheck free?

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

### Is CTO SSM free?

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

### Do INTERCheck or CTO SSM have ads?

Neither INTERCheck nor CTO SSM shows ads.

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

INTERCheck ships an update every 3 months, and CTO SSM fortnightly. Most recently, INTERCheck was updated on June 22, 2026 and CTO SSM on September 30, 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.*