# RSF2 vs Nulltrack

The clearest difference is price: RSF2 at $3.99 against Nulltrack's $7.99. RSF2 also leads on device support (3 vs 1). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

RSF2 costs $3.99 and Nulltrack $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RSF2 ships an update weekly, Nulltrack every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | RSF2 | Nulltrack |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rsf2-sf2-manager-auv3/id6775565792/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Paid | Paid |
| Size | 2 MB | 17 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rubens Felicio](https://appshunter.io/developer/6775565794) | [DECTET LLC](https://appshunter.io/developer/6780079930) |

## What reviewers say

### RSF2

[App page](https://appshunter.io/ios/app/rsf2-sf2-manager-auv3/id6775565792)

Organize and manage your SoundFont 2 (.sf2) collection. Easily combine presets from multiple SoundFonts into new banks or split large files into individual instruments. All processing happens directly on your device for maximum privacy and security.

**Highlights:** Build themed banks in one tap, Reorder presets by drag and drop, Split giant SF2 files into parts, 100% on-device processing, Universal app for iPhone, iPad, and Mac, Works with popular samplers and DAWs

**Features:** Vision Pro support

**In-app purchases:** none


### Nulltrack

[App page](https://appshunter.io/ios/app/nulltrack/id6780079928)

This mobile digital audio workstation offers a unique, grid-based approach to music creation, inspired by classic trackers. It includes built-in synths, a sampler, extensive modulation options, and mixing tools.

**Highlights:** AUv3 plugin support, Two built-in synthesizers, Built-in sampler, Extensive modulation options, Mixing features with track faders, Groove tables for swing/playback, Pattern locking to scales

**In-app purchases:** none


## Frequently asked questions

### Is RSF2 free?

RSF2 costs $3.99, with no in-app purchases.

### Is Nulltrack free?

Nulltrack costs $7.99, with no in-app purchases.

### Do RSF2 or Nulltrack have ads?

Neither RSF2 nor Nulltrack shows ads.

### Which is updated more often, RSF2 or Nulltrack?

RSF2 ships an update weekly, and Nulltrack every 9 days. Most recently, RSF2 was updated on November 5, 2026 and Nulltrack on November 5, 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.*