# Portable Interview vs Audio Master

The clearest difference is in-app purchases: Portable Interview at none against Audio Master's 4. Audio Master's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Audio Master sells 4 in-app purchases, starting at $2.99 per 7 days. Portable Interview asks for nothing beyond the download.

Portable Interview ships an update every 8 days, Audio Master every 9 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Portable Interview | Audio Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 42 MB | 61 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sectiva AS](https://appshunter.io/developer/1777408791) | [坤坤 马](https://appshunter.io/developer/1854069329) |

## What reviewers say

### Portable Interview

[App page](https://appshunter.io/ios/app/portable-interview/id6737690870)

**In-app purchases:** none


### Audio Master

[App page](https://appshunter.io/ios/app/audio-master-music-editor/id6756703089)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $19.99 | per year |
| Permanent Member | $29.99 | one-time |


## Frequently asked questions

### Is Portable Interview free?

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

### Is Audio Master free?

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

### Do Portable Interview or Audio Master have ads?

Neither Portable Interview nor Audio Master shows ads.

### Which is updated more often, Portable Interview or Audio Master?

Portable Interview ships an update every 8 days, and Audio Master every 9 days. Most recently, Portable Interview was updated on October 22, 2026 and Audio Master on October 19, 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.*