# iFX Rack vs Model D6

The clearest difference is price: iFX Rack at $9.99 against Model D6's $19.99. iFX Rack also leads on update cadence (monthly vs every 9 months). Model D6's advantage is rating (5.0 vs 3.8) and in-app purchases (none vs 20). On review sentiment, ratings volume, ads and device support there is nothing between them.

iFX Rack costs $9.99 and Model D6 $19.99 up front. iFX Rack sells 20 one-off in-app purchases. Model D6 asks for nothing beyond the download.

Model D6 holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews complicate that: 70% of iFX Rack's written reviews are positive against 67% of Model D6's, so the app with the better star average is not the one people write more warmly about.

iFX Rack ships an update monthly, Model D6 every 9 months. The most recent releases landed on October 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iFX Rack | Model D6 |
| --- | --- | --- |
| Price | **$9.99** | $19.99 |
| Rating | [3.8 (10 ratings)](https://appshunter.io/ios/app/ifx-rack/id1462580765/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/model-d6/id6443897794/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | **69.6% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 279 MB | 13 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MIDIculous LLC](https://appshunter.io/developer/579058990) | [Genuine Soundware](https://appshunter.io/developer/1560880481) |

## What reviewers say

### iFX Rack

[App page](https://appshunter.io/ios/app/ifx-rack/id1462580765)

This app offers a virtual analog effects rack for iOS devices, featuring meticulously modeled vintage analog processors. It includes a suite of classic effects and allows for flexible FX chain assignment and MIDI automation.

**Highlights:** Analog modeled virtual effects rack, Vintage analog circuit modeling, AUv3 support, MIDI learnable automation, Dynamically drag-able FX chain, Includes VKFX effects suite

**Features:** Family Sharing, Vision Pro support

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Distortit | $0.99 | one-time |
| Spring Reverb | $0.99 | one-time |
| Flanger | $0.99 | one-time |
| Amp Combo | $1.99 | one-time |
| SUB Harm | $1.99 | one-time |
| Amp Sim | $2.99 | one-time |
| DimenD Chorus | $2.99 | one-time |
| Detune | $2.99 | one-time |
| FantasyVerb | $3.99 | one-time |
| 11 Band EQ | $3.99 | one-time |
| ST Widener Enhancer | $3.99 | one-time |
| iFX Amp | $3.99 | one-time |
| PhatFilt | $3.99 | one-time |
| Talkbox® Effect | $3.99 | one-time |
| Rotar | $4.99 | one-time |
| Master Limiter | $4.99 | one-time |
| IMPULSation for iFX Rack | $6.99 | one-time |
| Phick Analog Thickener | $6.99 | one-time |
| Additional Effects Bundle | $7.99 | one-time |
| CloudVerb | $9.99 | one-time |


### Model D6

[App page](https://appshunter.io/ios/app/model-d6/id6443897794)

This app is a physical modeling emulation of the classic Hohner Clavinet D6 keyboard. It recreates the iconic funky sounds used in 70s music and offers extensive sound shaping capabilities with built-in effects and amp simulations.

**Highlights:** Physical Modeling engine, Authentic D6 filter recreation, Adjustable pickup positions, Built-in Wah-Wah, Phaser, Delay, and Reverb effects, Amplifier simulator with 5 models, Responds to pitch bender and aftertouch

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iFX Rack free?

iFX Rack costs $9.99, and also offers in-app purchases.

### Is Model D6 free?

Model D6 costs $19.99, with no in-app purchases.

### Which has better reviews, iFX Rack or Model D6?

Model D6 is rated higher. iFX Rack averages 3.8 out of 5 from 10 ratings, while Model D6 averages 5.0 from 5 ratings.

### Do iFX Rack or Model D6 have ads?

Neither iFX Rack nor Model D6 shows ads.

### Which is updated more often, iFX Rack or Model D6?

iFX Rack ships an update monthly, and Model D6 every 9 months. Most recently, iFX Rack was updated on October 16, 2026 and Model D6 on September 24, 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.*