# harpSampler vs Nulltrack

The clearest difference is review sentiment: Nulltrack at 100% against harpSampler's 0%. Nulltrack also leads on update cadence (every 9 days vs every 37 months). harpSampler's advantage is price ($0.99 vs $7.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

harpSampler costs $0.99 and Nulltrack $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

harpSampler ships an update every 37 months, Nulltrack every 9 days. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | harpSampler | Nulltrack |
| --- | --- | --- |
| Price | **$0.99** | $7.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/harpsampler/id539331190/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 9 days** |
| Monetization | Paid | Paid |
| Size | 17 MB | 17 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [DECTET LLC](https://appshunter.io/developer/6780079930) |

## What reviewers say

### harpSampler

[App page](https://appshunter.io/ios/app/harpsampler/id539331190)

Transform your device into a multi-touch harp by importing your own sounds or using the built-in sampler. Create unique musical instruments and special effects with adjustable octaves, scales, and chords.

**Highlights:** Import custom sounds for instrument generation, Automatic 8-octave harp creation, Multi-touch interface for live performance, Adjustable scales and chords, Real-time sound bending and start position control, Record live performances

**Features:** macOS Compatibility

**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 harpSampler free?

harpSampler costs $0.99, with no in-app purchases.

### Is Nulltrack free?

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

### Do harpSampler or Nulltrack have ads?

Neither harpSampler nor Nulltrack shows ads.

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

harpSampler ships an update every 37 months, and Nulltrack every 9 days. Most recently, harpSampler was updated on October 3, 2026 and Nulltrack on October 18, 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.*