# Defunc TWS vs iKF

The clearest difference is review sentiment: iKF at 76% against Defunc TWS's 0%. iKF also leads on rating (4.2 vs 3.5) and update cadence (every 3 weeks vs every 27 months). Defunc TWS's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

iKF holds the better App Store score, 4.2 against 3.5. That said, the two scores are not equally well evidenced: iKF has 84 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Defunc TWS's written reviews are positive against 76% of iKF's.

Defunc TWS ships an update every 27 months, iKF every 3 weeks. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Defunc TWS | iKF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/defunc-tws/id1599089423/reviews) | **[4.2 (84 ratings)](https://appshunter.io/ios/app/ikf/id1629620859/reviews)** |
| Number of ratings | 2 | **84** |
| Positive reviews | 0.0% of reviews | **75.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 181 MB | 243 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Art of Utility AB](https://appshunter.io/developer/1575861817) | [Dongguan Awu Technology Co., Ltd.](https://appshunter.io/developer/1616506708) |

## What reviewers say

### Defunc TWS

[App page](https://appshunter.io/ios/app/defunc-tws/id1599089423)

Control your audio experience with personalized app settings. Update and change preferences to match your current playlist and listening habits for a custom sound.

**Highlights:** App-controlled audio, Personalized settings, Update preferences, Custom listening experience, Match playlist and habits

**In-app purchases:** none


### 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

**What reviewers like**

- 👍 Easy to use interface
- 👍 Good sound quality
- 👍 Effective noise reduction
- 👍 Useful for various activities (music, gaming, fitness)
- 👍 Good app complements headphones

**What reviewers complain about**

- 🐛 App has bugs
- 🐛 Modes for music are glitched
- 🐛 Sound effect menu is blank
- 🐛 Cannot create an account
- 🐛 Repeated disconnections

**Reported bugs**

- 502 error when creating account
- App has many bugs
- Modes for different music are glitched
- Sound effect menu is blank on iPhone 13 Pro Max
- Headphones are noisy and disconnect repeatedly

**Requested features**

- Add English language support
- Translate the whole system to English
- Allow users to change language to English


## Frequently asked questions

### Is Defunc TWS free?

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

### Is iKF free?

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

### Which has better reviews, Defunc TWS or iKF?

iKF is rated higher. Defunc TWS averages 3.5 out of 5 from 2 ratings, while iKF averages 4.2 from 84 ratings.

### Do Defunc TWS or iKF have ads?

Neither Defunc TWS nor iKF shows ads.

### Which is updated more often, Defunc TWS or iKF?

Defunc TWS ships an update every 27 months, and iKF every 3 weeks. Most recently, Defunc TWS was updated on October 4, 2026 and iKF on October 17, 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.*