K7D - Tape Delay

K7D - Tape Delay

AUv3 plugin included

75 ratings
40 reviews
#163 in paid Music
🔧 Utilities
🎵 Music
$5.39

Details

  • Released
  • Updated
K7D - Tape Delay screenshot #1 for iPhone
K7D - Tape Delay screenshot #2 for iPhone
iphone
ipad
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About

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.

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
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What's New in K7D

1.4.3

May 25, 2024

- Fixes crash when initializing the application - Fixes feedback parameter value display - General bug fixes and improvements

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Charts

Top Paid

📉 163-14

Music

This app dropped -14 positions in Music chart.

Last updated on July 23, 2026.

User reviews

Incredibly beautiful and creative

What a stellar and musical delay. I put this up there with Kosmonaut on iPad. What a generous set of presets. It’s also so easy to use and create your own presets. This feels more creative than Valhalla DSP’s delay. Just incredible, truly is chefs kiss👌🏽

Have bought here and on windows, great delay

For the price this is top tier. Best delay on iOS sub 20 bucks.

One of my FAVORITE Tape Delays hands down!

I happen to see this on AppRaven (I have had this app for years) and it’s one of the BEST out there! Don’t get me wrong there are other AMAZING DEEP and VERY good sounding “Tape Delays” but this has the LOOK and FEEL one needs who grew up using 24 tape tricks to get Delays, Flange, Phase etc before all the rack mount gear and pedals and now PLUGINS!

I always ask myself, if I had ALL THIS technology back when I was first learning the trade off engineering, how freaking far advanced would I be? Bc let’s face it, bf plugins, effects were big $$$ and no young musician has money! I see all the FREE lessons, all the free guitar scale and chord programs and apps… and I think MY GOD how good would I be?
Then I realize, it would be the same as now, bc YES there is so many ways to learn for free… there is also so many KILLER games to play, killer things to check out, so many amazing content videos… that I being ADHD would not have as much knowledge as I have doing it “old school”
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Response from developer

Thank you very much for your thoughtful review! We're thrilled that you are enjoying the analog character of K7D and that it brings back memories of those classic days. ☺️ We worked hard to capture the true essence of vintage machines, and we're so happy to hear it resonates with you!

Extreme lag and often audio delay issues and glitches

Nearly a year ago, I wrote a review for this app and I at least tried to be fair with the devs. It seems that doesn't work in this world, because I tried to get help with this app crashing and nothing works. I use an iPhone 12 mini, and every time I go over 10-15 instruments with the effect, the project completely crashes and either doesn’t open, I have to back it up to EVEN edit the tracks constantly, or it LITERALLY deletes hours to even days of progress depending on the crash. I tried to reach out through email. Got 1 response and was ditched. This was in December of 2024. It's 10 months later, and it’s even worse than it was nearly a year ago. For a paid app, it gets little to no updates and it's really starting to show considering I can’t even use it properly 50% of the time anymore. Either this app was just made for higher-end devices like MacBooks, or it is so outdated that only newer iPhone models can even keep up with this nonsense. Mind you, I tried reaching out through email to get help and got nothing. This is simply ridiculous. The number of times this plugin has erased hours of my progress is almost insane, and just so you know, it really is a good plugin, and I’d love to keep using it, but the amount of whatever space is used that causes all these crashes to happen needs to be fixed.
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Response from developer

Thank you very much for your review! If you can please reach out to us through our contact page so we can assist you with the crashes you're having so you can have a smoother experience with K7D.

No background audio standalone.

Hopefully the dev will fix this because otherwise it is a decent delay.

Response from developer

Thanks for the heads up. We opened issue. Best regards

Developer apps

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FAQ

What does K7D - Tape Delay do?

K7D - Tape Delay is an audio effect plugin for iOS that emulates vintage tape delay hardware. It provides a warm, analog-sounding echo with extensive modern controls for creative sound design. It can be used as a standalone app or as an AUv3 plugin within compatible iOS Digital Audio Workstations (DAWs).

What are the key features of K7D - Tape Delay?

Key features include a 1ms to 1-second dual playhead analog-modeled delay with noise, tape distortion, and mechanical vibration models. It also offers a modeled microphone input with pre-amp saturation, normal and ping pong modes, and a powerful LFO for time modulation with multiple waveforms. The delay time can be synced to BPM or modulated via MIDI notes.

How much does K7D - Tape Delay cost?

The application is a paid app. There are no in-app purchases or advertisements mentioned in the provided description, indicating a one-time purchase for the full functionality.

What devices is K7D - Tape Delay compatible with?

This app is designed for iOS devices and functions as an AUv3 plugin. It can be used within iOS DAWs such as GarageBand, AUM, Cubasis, Auria, and Audiobus, allowing integration into a mobile music production workflow.

What are common use cases for K7D - Tape Delay?

Common use cases include adding vintage tape echo to vocals, guitars, or synths, creating rhythmic delays synced to a song's tempo, and exploring experimental sound design through LFO modulation and stereo width control. Its authentic analog sound makes it suitable for genres that benefit from warm, characterful effects.