# KMSpeaker vs GRF Audio

The clearest difference is update cadence: GRF Audio at every 3 months against KMSpeaker's every 40 months. KMSpeaker's advantage is iOS requirement (9.0 vs 13.0). 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.

KMSpeaker ships an update every 40 months, GRF Audio every 3 months. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KMSpeaker | GRF Audio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 months** |
| Size | 16 MB | 129 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [晓 徐](https://appshunter.io/developer/1448231099) | [广州市声拓电子有限公司](https://appshunter.io/developer/1833382964) |

## What reviewers say

### KMSpeaker

[App page](https://appshunter.io/ios/app/kmspeaker/id1448231100)

**Features:** macOS Compatibility

**In-app purchases:** none


### GRF Audio

[App page](https://appshunter.io/ios/app/grf-audio/id6751082062)

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

**In-app purchases:** none


## Frequently asked questions

### Is KMSpeaker free?

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

### Is GRF Audio free?

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

### Do KMSpeaker or GRF Audio have ads?

Neither KMSpeaker nor GRF Audio shows ads.

### Which is updated more often, KMSpeaker or GRF Audio?

KMSpeaker ships an update every 40 months, and GRF Audio every 3 months. Most recently, KMSpeaker was updated on October 11, 2026 and GRF Audio on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*