# K7D vs TB Equalizer

The clearest difference is price: K7D at $3.99 against TB Equalizer's $9.99. TB Equalizer's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 17.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

K7D costs $3.99 and TB Equalizer $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for K7D against 4.6 for TB Equalizer. Both are backed by a comparable volume of ratings — 79 and 66 respectively. Written reviews are what separate them: 80% of K7D's written reviews are positive against 84% of TB Equalizer's.

K7D ships an update every 3 months, TB Equalizer monthly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | K7D | TB Equalizer |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | [4.6 (79 ratings)](https://appshunter.io/ios/app/k7d-tape-delay/id1460245991/reviews) | **[4.6 (66 ratings)](https://appshunter.io/ios/app/tb-equalizer/id1473111210/reviews)** |
| Number of ratings | **79** | 66 |
| Positive reviews | 80.0% of reviews | **83.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 114 MB | 11 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imaginando Lda](https://appshunter.io/developer/895445015) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## 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

**What reviewers like**

- 🎶 Incredible sound quality
- 🎨 Creative and musical delay
- 💡 Generous presets and easy to use
- 💰 Top-tier for the price
- 🕰️ Authentic tape delay feel

**What reviewers complain about**

- 💻 Extreme lag and crashes
- 🐛 Audio delay issues and glitches
- ⚠️ High resource usage
- ❌ No background audio standalone
- 📉 Randomiser not working (initially)

**Reported bugs**

- App crashing with many instruments
- Project crashes and data loss
- App not opening after crashes
- App deleting progress
- Randomiser not working

**Requested features**

- Fix background audio standalone
- Fix randomiser feature
- Improve CPU efficiency
- Make iPad and iPhone versions compatible
- Add reverse playback option


### TB Equalizer

[App page](https://appshunter.io/ios/app/tb-equalizer/id1473111210)

This professional audio plug-in offers advanced equalization with a dynamic workflow and warm, non-linear filters. It processes microphone input in real-time and integrates with AUv3-compatible host apps for music production.

**Highlights:** Mastering grade equalizer, Integrated spectrum and dynamics analyzer, Up to 16 filter sections, Dynamic or static filter modes, AI-powered equalization suggestions, Oversampling and anti-aliasing, Mid/side/left/right processing

**In-app purchases:** none

**What reviewers like**

- 🎶 Professional sound quality
- 💡 Intuitive and easy to use
- 💰 Excellent value for money
- 🚀 Powerful features
- ✨ High-quality product

**What reviewers complain about**

- 📱 UI size is too small on iPhones
- 🤏 Microscopic menus and icons
- 🎛️ Popup window for node selections is redundant
- 🖥️ Takes away valuable screen space on smaller devices
- 🚫 Popup cannot be disabled

**Reported bugs**

- Popup window for node selections cannot be disabled
- Plug-in not being read correctly
- Destroys mixed tracks
- App crashes LumaFusion as a plug-in
- Makes audio sound flat

**Requested features**

- Disable popup window for node selections
- Larger UI for iPhones
- Fix plug-in reading issues
- Mouse compatibility
- Improve LFO maximum frequency


## Frequently asked questions

### Is K7D free?

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

### Is TB Equalizer free?

TB Equalizer costs $9.99, with no in-app purchases.

### Which has better reviews, K7D or TB Equalizer?

TB Equalizer is rated higher. K7D averages 4.6 out of 5 from 79 ratings, while TB Equalizer averages 4.6 from 66 ratings.

### Do K7D or TB Equalizer have ads?

Neither K7D nor TB Equalizer shows ads.

### Which is updated more often, K7D or TB Equalizer?

K7D ships an update every 3 months, and TB Equalizer monthly. Most recently, K7D was updated on November 3, 2026 and TB Equalizer on October 29, 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.*