# Roxsyn Guitar Synthesizer vs IR Loader

The clearest difference is price: IR Loader at $7.99 against Roxsyn Guitar Synthesizer's $19.99. IR Loader also leads on update cadence (every 5 weeks vs every 9 months). Roxsyn Guitar Synthesizer's advantage is rating (4.7 vs 4.1) and review sentiment (72% vs 50%). On ads, in-app purchases, monetization model and device support there is nothing between them.

Roxsyn Guitar Synthesizer costs $19.99 and IR Loader $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Roxsyn Guitar Synthesizer holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Roxsyn Guitar Synthesizer has 90 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 72% of Roxsyn Guitar Synthesizer's written reviews are positive against 50% of IR Loader's.

Roxsyn Guitar Synthesizer ships an update every 9 months, IR Loader every 5 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Roxsyn Guitar Synthesizer | IR Loader |
| --- | --- | --- |
| Price | $19.99 | **$7.99** |
| Rating | **[4.7 (90 ratings)](https://appshunter.io/ios/app/roxsyn-guitar-synthesizer/id1472450599/reviews)** | [4.1 (9 ratings)](https://appshunter.io/ios/app/ir-loader/id1594602851/reviews) |
| Number of ratings | **90** | 9 |
| Positive reviews | **72.1% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 32 MB | 38 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yonac Inc.](https://appshunter.io/developer/288670023) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## What reviewers say

### Roxsyn Guitar Synthesizer

[App page](https://appshunter.io/ios/app/roxsyn-guitar-synthesizer/id1472450599)

Transform your guitar or bass into a powerful, expressive polyphonic synthesizer without MIDI. This app synthesizes your instrument directly, capturing every nuance of your playing for rich, responsive synth sounds. No special pickups or hardware needed, just connect to your audio interface.

**Highlights:** Direct guitar synthesis (no MIDI), Metamorphic signal generators (oscillators), Dual filter banks with custom virtual-analog filters, Guitar-optimized envelopes with adjustable triggers, Powerful arpeggiator with multiple algorithms, Modulation matrix for parameter control

**In-app purchases:** none


### IR Loader

[App page](https://appshunter.io/ios/app/ir-loader/id1594602851)

Load and shape your cabinet impulse responses with integrated EQ, compression, and a bass enhancer. This tool supports multiple IRs simultaneously and offers a power amplifier model for detailed tone control.

**Highlights:** Load multiple cabinet IR files, 6-band parametric equalizer, Custom console-style compressor, Bass Enhancer for low-end shaping, Class AB push-pull EL34 tube amplifier model, Standalone, AUv3, and IAA support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Roxsyn Guitar Synthesizer free?

Roxsyn Guitar Synthesizer costs $19.99, with no in-app purchases.

### Is IR Loader free?

IR Loader costs $7.99, with no in-app purchases.

### Which has better reviews, Roxsyn Guitar Synthesizer or IR Loader?

Roxsyn Guitar Synthesizer is rated higher. Roxsyn Guitar Synthesizer averages 4.7 out of 5 from 90 ratings, while IR Loader averages 4.1 from 9 ratings.

### Do Roxsyn Guitar Synthesizer or IR Loader have ads?

Neither Roxsyn Guitar Synthesizer nor IR Loader shows ads.

### Which is updated more often, Roxsyn Guitar Synthesizer or IR Loader?

Roxsyn Guitar Synthesizer ships an update every 9 months, and IR Loader every 5 weeks. Most recently, Roxsyn Guitar Synthesizer was updated on November 3, 2026 and IR Loader on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*