# CFIOS vs ISSCA

The clearest difference is update cadence: ISSCA at every 2 weeks against CFIOS's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CFIOS ships an update every 4 months, ISSCA every 2 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | CFIOS | ISSCA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 49 MB | 51 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [The Members](https://appshunter.io/developer/1653824858) | [Stem Cell Training Inc.](https://appshunter.io/developer/1856880256) |

## What reviewers say

### CFIOS

[App page](https://appshunter.io/ios/app/cfios/id6458538221)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISSCA

[App page](https://appshunter.io/ios/app/issca/id6755880302)

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

**In-app purchases:** none


## Frequently asked questions

### Is CFIOS free?

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

### Is ISSCA free?

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

### Do CFIOS or ISSCA have ads?

Neither CFIOS nor ISSCA shows ads.

### Which is updated more often, CFIOS or ISSCA?

CFIOS ships an update every 4 months, and ISSCA every 2 weeks. Most recently, CFIOS was updated on November 7, 2026 and ISSCA on November 12, 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.*