# K7D vs 4i Player

The clearest difference is price: 4i Player at Free against K7D's $3.99. 4i Player also leads on update cadence (every 9 days vs every 3 months) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

4i Player is free to download; K7D costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K7D ships an update every 3 months, 4i Player every 9 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | K7D | 4i Player |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.6 (79 ratings)](https://appshunter.io/ios/app/k7d-tape-delay/id1460245991/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | 79.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 113 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Imaginando Lda](https://appshunter.io/developer/895445015) | [Niels Brinch](https://appshunter.io/developer/1437538252) |

## What reviewers say

### K7D

[App page](https://appshunter.io/ios/app/k7d-tape-delay/id1460245991)

This app offers a vintage tape delay effect with analog emulation and modern controls. It recreates classic hardware echo machines for a warm, characterful sound. Use it standalone or as an AUv3 plugin in iOS DAWs.

**Highlights:** Analog modeled dual playhead delay, Modeled microphone input with saturation, Normal and Ping Pong modes, High pass and Low pass feedback filters, Powerful LFO time modulation, BPM syncable delay time, MIDI delay time modulation

**Features:** Vision Pro support

**In-app purchases:** none


### 4i Player

[App page](https://appshunter.io/ios/app/4i-player/id6785224189)

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

**In-app purchases:** none


## Frequently asked questions

### Is K7D free?

K7D costs $3.99, with no in-app purchases.

### Is 4i Player free?

4i Player is free to download, with no in-app purchases.

### Do K7D or 4i Player have ads?

Neither K7D nor 4i Player shows ads.

### Which is updated more often, K7D or 4i Player?

K7D ships an update every 3 months, and 4i Player every 9 days. Most recently, K7D was updated on October 22, 2026 and 4i Player on October 25, 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.*