# iFX Rack vs Koala FX

The clearest difference is rating: Koala FX at 4.6 against iFX Rack's 3.8. Koala FX also leads on in-app purchases (none vs 20) and price ($3.99 vs $9.99). iFX Rack's advantage is update cadence (monthly vs every 34 months). On review sentiment, ads, device support and iOS requirement there is nothing between them.

iFX Rack costs $9.99 and Koala FX $3.99 up front. iFX Rack sells 20 one-off in-app purchases. Koala FX asks for nothing beyond the download.

Koala FX holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Koala FX has 76 ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 70% of iFX Rack's written reviews are positive against 66% of Koala FX's, so the app with the better star average is not the one people write more warmly about.

iFX Rack ships an update monthly, Koala FX every 34 months. The most recent releases landed on August 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | iFX Rack | Koala FX |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | [3.8 (10 ratings)](https://appshunter.io/ios/app/ifx-rack/id1462580765/reviews) | **[4.6 (76 ratings)](https://appshunter.io/ios/app/koala-fx/id1518085697/reviews)** |
| Number of ratings | 10 | **76** |
| Positive reviews | **69.6% of reviews** | 65.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 34 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 279 MB | 3 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) | [Mazbox Limited](https://appshunter.io/developer/329604853) |

## 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 |


### Koala FX

[App page](https://appshunter.io/ios/app/koala-fx/id1518085697)

This creative effects unit offers 16 intuitive, one-touch effects to easily transform your audio. Morph and twist tracks, sculpt synth sounds, or add lofi warmth. Save and crossfade between scenes for dynamic musical arrangements.

**Highlights:** 16 one-touch creative effects, Intuitive instrument-like playability, Save and crossfade between 8 scenes, Rearrangeable effect order, Automatable parameters, Resizable UI

**Features:** macOS Compatibility, 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 Koala FX free?

Koala FX costs $3.99, with no in-app purchases.

### Which has better reviews, iFX Rack or Koala FX?

Koala FX is rated higher. iFX Rack averages 3.8 out of 5 from 10 ratings, while Koala FX averages 4.6 from 76 ratings.

### Do iFX Rack or Koala FX have ads?

Neither iFX Rack nor Koala FX shows ads.

### Which is updated more often, iFX Rack or Koala FX?

iFX Rack ships an update monthly, and Koala FX every 34 months. Most recently, iFX Rack was updated on August 30, 2026 and Koala FX on September 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.*