# iKF vs BT

The clearest difference is update cadence: iKF at every 3 weeks against BT's every 4 months. BT's advantage is iOS requirement (11.0 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.

iKF ships an update every 3 weeks, BT every 4 months. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | iKF | BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (85 ratings)](https://appshunter.io/ios/app/ikf/id1629620859/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 242 MB | 8 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Awu Technology Co., Ltd.](https://appshunter.io/developer/1616506708) | [建红 邝](https://appshunter.io/developer/1611263038) |

## What reviewers say

### iKF

[App page](https://appshunter.io/ios/app/ikf/id1629620859)

Tailor your audio experience with personalized settings and unique functionalities. This app allows for custom sound profiles, noise cancellation adjustments, and control over device interactions. It also provides essential management features like battery checks and firmware updates.

**Highlights:** Burn-in Function, Noise Cancellation modes, Customise gesture controls, Customise equaliser settings, Set a private alarm, Check battery levels, Update firmware

**Features:** macOS Compatibility

**In-app purchases:** none


### BT

[App page](https://appshunter.io/ios/app/bt-amplifier/id6444695148)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iKF free?

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

### Is BT free?

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

### Do iKF or BT have ads?

Neither iKF nor BT shows ads.

### Which is updated more often, iKF or BT?

iKF ships an update every 3 weeks, and BT every 4 months. Most recently, iKF was updated on September 10, 2026 and BT on September 7, 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.*