# KKRF2 vs CISN

The clearest difference is update cadence: CISN at every 4 months against KKRF2's every 24 months. CISN also leads on iOS requirement (12.0 vs 15.0). 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.

KKRF2 ships an update every 24 months, CISN every 4 months. The most recent releases landed on May 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | KKRF2 | CISN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 24 months | **Every 4 months** |
| Size | 17 MB | 52 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [M and H Broadcasting Inc](https://appshunter.io/developer/703130479) | [BlueFrame Technology, LLC](https://appshunter.io/developer/1115903691) |

## What reviewers say

### KKRF2

[App page](https://appshunter.io/ios/app/kkrf2/id1395484837)

**Features:** macOS Compatibility

**In-app purchases:** none


### CISN

[App page](https://appshunter.io/ios/app/cisn/id1550595689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KKRF2 free?

KKRF2 is free to download, with no in-app purchases.

### Is CISN free?

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

### Do KKRF2 or CISN have ads?

Both KKRF2 and CISN show ads.

### Which is updated more often, KKRF2 or CISN?

KKRF2 ships an update every 24 months, and CISN every 4 months. Most recently, KKRF2 was updated on May 20, 2026 and CISN on September 15, 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.*