# GAP TRACKING vs Usb Transfer

The clearest difference is in-app purchases: GAP TRACKING at none against Usb Transfer's 3. GAP TRACKING also leads on iOS requirement (8.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Usb Transfer sells 3 in-app purchases, starting at $2.99 per month. GAP TRACKING asks for nothing beyond the download.

GAP TRACKING ships an update every 2 weeks, Usb Transfer every 3 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GAP TRACKING | Usb Transfer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 66 MB | 91 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [刚 李](https://appshunter.io/developer/1691041855) | [Changsha Fugui Bamboo Network Technology Co., Ltd.](https://appshunter.io/developer/1458061020) |

## What reviewers say

### GAP TRACKING

[App page](https://appshunter.io/ios/app/gap-tracking/id6473224653)

**Features:** macOS Compatibility

**In-app purchases:** none


### Usb Transfer

[App page](https://appshunter.io/ios/app/usb-transfer/id6504265361)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $2.99 | per month |
| 季会员 | $3.99 | per 3 months |
| 年会员 | $9.99 | per year |


## Frequently asked questions

### Is GAP TRACKING free?

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

### Is Usb Transfer free?

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

### Do GAP TRACKING or Usb Transfer have ads?

Neither GAP TRACKING nor Usb Transfer shows ads.

### Which is updated more often, GAP TRACKING or Usb Transfer?

GAP TRACKING ships an update every 2 weeks, and Usb Transfer every 3 weeks. Most recently, GAP TRACKING was updated on October 13, 2026 and Usb Transfer on October 2, 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.*