# Fastsound vs FieldKit Pro

The clearest difference is in-app purchases: Fastsound at none against FieldKit Pro's 1. Fastsound also leads on iOS requirement (13.0 vs 18.0). FieldKit Pro's advantage is update cadence (every 5 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. FieldKit Pro sells 1 one-off in-app purchase. Fastsound asks for nothing beyond the download.

Fastsound ships an update every 6 months, FieldKit Pro every 5 weeks. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fastsound | FieldKit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fieldkit-pro-field-recorder/id6794671831/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 2 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [杭州发声者声学科技有限公司](https://appshunter.io/developer/1894757529) | [John Reading](https://appshunter.io/developer/1883342055) |

## What reviewers say

### Fastsound

[App page](https://appshunter.io/ios/app/fastsound/id6762584727)

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

**In-app purchases:** none


### FieldKit Pro

[App page](https://appshunter.io/ios/app/fieldkit-pro-field-recorder/id6794671831)

Capture high-fidelity audio with studio-quality recording, real-time waveform and spectrogram monitoring, and advanced editing tools. Organize and export your recordings with metadata and custom tags.

**Highlights:** Studio-quality 24-bit, 48kHz WAV recording, Real-time waveform and spectrogram monitoring, Geotagging and custom tagging for organization, Non-destructive trimming and editing, Silence detection and auto-cropping, Export in multiple formats with embedded metadata, External microphone support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FieldKit Pro Unlock | $8.99 | one-time |


## Frequently asked questions

### Is Fastsound free?

Fastsound is free to download, with no in-app purchases.

### Is FieldKit Pro free?

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

### Do Fastsound or FieldKit Pro have ads?

Neither Fastsound nor FieldKit Pro shows ads.

### Which is updated more often, Fastsound or FieldKit Pro?

Fastsound ships an update every 6 months, and FieldKit Pro every 5 weeks. Most recently, Fastsound was updated on October 13, 2026 and FieldKit Pro on October 25, 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.*