# Export Audio vs StoneFrog Knots

The clearest difference is ads: StoneFrog Knots at none against Export Audio's shown. StoneFrog Knots also leads on update cadence (every 3 days vs every 2 months) and rating (5.0 vs 4.8). Export Audio's advantage is ratings volume (315 vs 1) and iOS requirement (15.6 vs 26.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Export Audio sells 5 in-app purchases, starting at $4.99 per year and StoneFrog Knots sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

StoneFrog Knots holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Export Audio has 315 ratings behind it against 1, so its average is the more settled of the two.

Export Audio ships an update every 2 months, StoneFrog Knots every 3 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Export Audio | StoneFrog Knots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (315 ratings)](https://appshunter.io/ios/app/export-audio/id1260980663/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stonefrog-knots/id6760624080/reviews)** |
| Number of ratings | **315** | 1 |
| Positive reviews | 87.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 31 MB | 15 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Nobutaka Yuasa](https://appshunter.io/developer/1077141399) | [Jason Stone](https://appshunter.io/developer/1885375378) |

## What reviewers say

### Export Audio

[App page](https://appshunter.io/ios/app/export-audio/id1260980663)

Easily extract audio from QuickTime (.mov) and MP4 videos. Select a video, specify the extraction time range, choose an output format, and save your audio clip. You can also add custom metadata and artwork to your audio files.

**Highlights:** Extract audio from MP4 and MOV videos, Select start and end times for extraction, Choose from multiple output audio formats, Add custom artwork and metadata, Save and share extracted audio files, Access files via the Files app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $4.99 | per year |
| Small Coffee | $1.99 | one-time |
| Medium Coffee | $2.99 | one-time |
| Large Coffee | $4.99 | one-time |
| Barista Special | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🚀 Fast audio extraction process
- 💰 Free to use with no mandatory payments
- 🎵 Multiple audio format support
- 📁 Ability to organize and store audio files

**What reviewers complain about**

- 📺 Fullscreen ads on older devices during extraction
- 💸 No one-time payment option to remove ads permanently
- 🔍 Missing search functionality for audio library
- 📋 No playlist creation feature
- 🎚️ Lacks equalizer functionality

**Reported bugs**

- Extract error messages preventing conversion
- Fullscreen ad placement blocking intended buttons on older iPhones
- Extracted files not appearing in phone's music app
- Files not showing in gallery after extraction
- Recently added videos not displaying in gallery

**Requested features**

- One-time payment option to remove all ads
- Playlist creation and management
- Search functionality for audio library
- Batch file selection for uploading
- Equalizer feature


### StoneFrog Knots

[App page](https://appshunter.io/ios/app/stonefrog-knots/id6760624080)

Explore the intricate connections between musicians with interactive graphs. Discover band members, collaborations, and musical history using extensive open data sources. Save favorite artists and sync your progress across devices.

**Highlights:** Interactive relationship graphs, Artist detail pages, Band member timelines, Discography with artwork, Save and restore graph views, Syncs across devices

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knots Premium | $1.99 | per month |
| Knots Premium | $19.99 | per year |


## Frequently asked questions

### Is Export Audio free?

Export Audio is free to download, with in-app purchases available.

### Is StoneFrog Knots free?

StoneFrog Knots is free to download, with in-app purchases available.

### Which has better reviews, Export Audio or StoneFrog Knots?

StoneFrog Knots is rated higher. Export Audio averages 4.8 out of 5 from 315 ratings, while StoneFrog Knots averages 5.0 from 1 ratings.

### Do Export Audio or StoneFrog Knots have ads?

Export Audio shows ads; StoneFrog Knots does not.

### Which is updated more often, Export Audio or StoneFrog Knots?

Export Audio ships an update every 2 months, and StoneFrog Knots every 3 days. Most recently, Export Audio was updated on October 14, 2026 and StoneFrog Knots on October 11, 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.*