# RED5 FX vs K

The clearest difference is in-app purchases: RED5 FX at none against K's 9. RED5 FX also leads on iOS requirement (8.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K sells 9 one-off in-app purchases. RED5 FX asks for nothing beyond the download.

RED5 FX ships an update every 2 weeks, K monthly. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | RED5 FX | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 45 MB | 173 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FINECO SCIENCE & TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1204239424) | [KWAVE AI Inc](https://appshunter.io/developer/1832131682) |

## What reviewers say

### RED5 FX

[App page](https://appshunter.io/ios/app/red5-fx-179/id1280867237)

**Features:** macOS Compatibility

**In-app purchases:** none


### K

[App page](https://appshunter.io/ios/app/k-live/id6748845718)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $0.99 | one-time |
| 250 Coins | $2.49 | one-time |
| 500 Coins | $5.49 | one-time |
| 750 Coins | $7.99 | one-time |
| 1000 Coins | $9.99 | one-time |
| 1500 Coins | $13.99 | one-time |
| 2500 Coins | $20.99 | one-time |
| 5000 Coins | $39.99 | one-time |
| 10000 Coins | $74.99 | one-time |


## Frequently asked questions

### Is RED5 FX free?

RED5 FX is free to download, with no in-app purchases.

### Is K free?

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

### Do RED5 FX or K have ads?

Neither RED5 FX nor K shows ads.

### Which is updated more often, RED5 FX or K?

RED5 FX ships an update every 2 weeks, and K monthly. Most recently, RED5 FX was updated on November 6, 2026 and K on November 8, 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.*