# iUsound vs Underway

The clearest difference is in-app purchases: iUsound at none against Underway's 3. Underway's advantage is update cadence (every 4 days vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Underway sells 3 in-app purchases, starting at $4.99 per 7 days. iUsound asks for nothing beyond the download.

iUsound ships an update every 5 months, Underway every 4 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | iUsound | Underway |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 166 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Aidmics Biotechnology Co., Ltd](https://appshunter.io/developer/1119461359) | [Oday Maleh](https://appshunter.io/developer/1777230222) |

## What reviewers say

### iUsound

[App page](https://appshunter.io/ios/app/iusound/id6739766502)

**Features:** macOS Compatibility

**In-app purchases:** none


### Underway

[App page](https://appshunter.io/ios/app/underway-package-tracker/id6786041026)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $39.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is iUsound free?

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

### Is Underway free?

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

### Do iUsound or Underway have ads?

Neither iUsound nor Underway shows ads.

### Which is updated more often, iUsound or Underway?

iUsound ships an update every 5 months, and Underway every 4 days. Most recently, iUsound was updated on October 9, 2026 and Underway on October 7, 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.*