# Slipstream File Transfer vs Phone Check

The clearest difference is in-app purchases: Slipstream File Transfer at none against Phone Check's 1. Phone Check's advantage is iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Phone Check sells 1 one-off in-app purchase. Slipstream File Transfer asks for nothing beyond the download.

## The numbers

| Metric | Slipstream File Transfer | Phone Check |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Size | 3 MB | 10 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seo Joon Jeon](https://appshunter.io/developer/1886332448) | [远枚 曾](https://appshunter.io/developer/6815691276) |

## What reviewers say

### Slipstream File Transfer

[App page](https://appshunter.io/ios/app/slipstream-file-transfer/id6816633094)

**Features:** Vision Pro support

**In-app purchases:** none


### Phone Check

[App page](https://appshunter.io/ios/app/phone-check-diagnostics/id6821844719)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Pro | $3.99 | one-time |


## Frequently asked questions

### Is Slipstream File Transfer free?

Slipstream File Transfer is free to download, with no in-app purchases.

### Is Phone Check free?

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

### Do Slipstream File Transfer or Phone Check have ads?

Neither Slipstream File Transfer nor Phone Check shows ads.

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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.*