iKF vs A4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iKF
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.
- Burn-in Function
- Noise Cancellation modes
- Customise gesture controls
- Customise equaliser settings
- Set a private alarm
- Check battery levels
- Update firmware
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Sound made for you. Personalise your listening experience with custom settings and unique features: • Burn-in Function • Switch between Noise Cancellation modes • Customise gesture controls • Customise equaliser settings • Customise pop-ups • Set a private alarm • Headphone listening mode • Check battery levels • Update firmware • Get tips & support • More unique features Supported devices: All iKF devices with app logo are supported
A4
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This is the Bluetooth speaker control APP, here you can connect to the speaker, there are many functions, such as music, microphone, guitar volume can be adjusted. In the individual interface there are balancing functions, but also see red sound, high school bass and so on. Let you do not need to touch the Bluetooth speaker, you can control the speaker within a certain distance
Screenshots
Verdict
The clearest difference is update cadence: A4 at every 5 days against iKF's every 3 weeks. A4 also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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, A4 every 5 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.
| Parameter | iKF | A4 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (84 ratings) — better | — |
| Positive reviews | 75.8% of reviews | — |
| Number of ratings | 84 — better | — |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 243 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Dongguan Awu Technology Co., Ltd. | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. |
Bugs and requests
iKF
Reported bugs
6 issues- 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
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- Cannot sign up for the app completely
Requested features
3 requests- Add English language support
- Translate the whole system to English
- Allow users to change language to English
A4
Not enough reviews yet to summarise bugs or requests.
In-app purchases
iKF
No in-app purchases
A4
No in-app purchases
