# Grainsmith Field vs SignatureDYN

The clearest difference is price: SignatureDYN at $5.99 against Grainsmith Field's $11.99. Grainsmith Field's advantage is update cadence (every 3 days vs every 2 weeks) and chart position (#175 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Grainsmith Field costs $11.99 and SignatureDYN $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Grainsmith Field ships an update every 3 days, SignatureDYN every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grainsmith Field | SignatureDYN |
| --- | --- | --- |
| Price | $11.99 | **$5.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/grainsmith-field/id6760624826/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Paid | — |
| Best chart rank | **#175** | — |
| Size | 81 MB | 8 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Plastic Factory LLC](https://appshunter.io/developer/1017920807) | [Antonio Sorin TASU](https://appshunter.io/developer/1883473854) |

## What reviewers say

### Grainsmith Field

[App page](https://appshunter.io/ios/app/grainsmith-field/id6760624826)

**Currently charting:** #175 Top Paid · Music (US App Store)

Transform any sound into unique sonic textures using a powerful granular synthesizer. Manipulate audio with multiple playheads, record live input, and play it like an instrument via MIDI. Optimized for mobile, it offers extensive control and export options.

**Highlights:** Granular synthesis engine, Multiple independent playheads, Live audio recording and manipulation, MIDI instrument mode, AUv3 music effect, Performance recording with Live Activity, Built-in reverb and filter

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SignatureDYN

[App page](https://appshunter.io/ios/app/signaturedyn/id6774496784)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Grainsmith Field free?

Grainsmith Field costs $11.99, with no in-app purchases.

### Is SignatureDYN free?

SignatureDYN costs $5.99, with no in-app purchases.

### Do Grainsmith Field or SignatureDYN have ads?

Neither Grainsmith Field nor SignatureDYN shows ads.

### Which is updated more often, Grainsmith Field or SignatureDYN?

Grainsmith Field ships an update every 3 days, and SignatureDYN every 2 weeks. Most recently, Grainsmith Field was updated on November 5, 2026 and SignatureDYN on October 31, 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.*