# IFW vs EWI Trainer

The clearest difference is update cadence: IFW at every 2 days against EWI Trainer's fortnightly. EWI Trainer's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IFW sells 1 in-app purchase, starting at $1.99 per month and EWI Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IFW ships an update every 2 days, EWI Trainer fortnightly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | IFW | EWI Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/ifw-wind-synth/id1549446635/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 36 MB | 103 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masanao Takeuchi](https://appshunter.io/developer/1077988164) | [Alfred Schilken](https://appshunter.io/developer/813974612) |

## What reviewers say

### IFW

[App page](https://appshunter.io/ios/app/ifw-wind-synth/id1549446635)

This app provides a dedicated sound engine for wind synthesizers, offering professional-grade expressive sounds. Connect your wind controller via USB to access high-quality oscillators, analog-style filters, and rich effects. Share custom patches with a global community.

**Highlights:** Dedicated sound engine for wind synths, High-quality oscillator and analog-style filter, Rich effects and special filters, Intuitive modulation matrix, Community patch sharing, USB wind controller connection

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IFW Monthly Subscription | $1.99 | per month |


### EWI Trainer

[App page](https://appshunter.io/ios/app/ewi-trainer/id6743449690)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Pro Features | $5.99 | one-time |


## Frequently asked questions

### Is IFW free?

IFW is free to download, with in-app purchases available.

### Is EWI Trainer free?

EWI Trainer is free to download, with in-app purchases available.

### Do IFW or EWI Trainer have ads?

Neither IFW nor EWI Trainer shows ads.

### Which is updated more often, IFW or EWI Trainer?

IFW ships an update every 2 days, and EWI Trainer fortnightly. Most recently, IFW was updated on September 10, 2026 and EWI Trainer on September 19, 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.*