# USA Unit Converter vs Trip Ticket Folder

The clearest difference is in-app purchases: USA Unit Converter at none against Trip Ticket Folder's 5. Trip Ticket Folder's advantage is update cadence (every 4 weeks vs every 14 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Trip Ticket Folder sells 5 in-app purchases, starting at $2.29 per month. USA Unit Converter asks for nothing beyond the download.

USA Unit Converter ships an update every 14 months, Trip Ticket Folder every 4 weeks. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | USA Unit Converter | Trip Ticket Folder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 weeks** |
| Size | 2 MB | 8 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Seleznev](https://appshunter.io/developer/1665252540) | [灵风科技](https://appshunter.io/developer/1888498358) |

## What reviewers say

### USA Unit Converter

[App page](https://appshunter.io/ios/app/usa-unit-converter/id1669915305)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trip Ticket Folder

[App page](https://appshunter.io/ios/app/trip-ticket-folder/id6761265528)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.29 | per month |
| Seasonly Subscription | $5.49 | per 3 months |
| Half-yearly Subscription | $8.99 | per 6 months |
| Yearly Subscription | $14.49 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is USA Unit Converter free?

USA Unit Converter is free to download, with no in-app purchases.

### Is Trip Ticket Folder free?

Trip Ticket Folder is free to download, with in-app purchases available.

### Do USA Unit Converter or Trip Ticket Folder have ads?

Neither USA Unit Converter nor Trip Ticket Folder shows ads.

### Which is updated more often, USA Unit Converter or Trip Ticket Folder?

USA Unit Converter ships an update every 14 months, and Trip Ticket Folder every 4 weeks. Most recently, USA Unit Converter was updated on October 25, 2026 and Trip Ticket Folder on October 23, 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.*