# Slipstream File Transfer vs Phone Checkup

The clearest difference is in-app purchases: Slipstream File Transfer at none against Phone Checkup's 1. Slipstream File Transfer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Slipstream File Transfer | Phone Checkup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Size | 3 MB | 10 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seo Joon Jeon](https://appshunter.io/developer/1886332448) | [3810 Production](https://appshunter.io/developer/6815889875) |

## 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 Checkup

[App page](https://appshunter.io/ios/app/phone-checkup-device-test/id6821094489)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detailed Tests | $2.99 | one-time |


## Frequently asked questions

### Is Slipstream File Transfer free?

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

### Is Phone Checkup free?

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

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

Phone Checkup shows ads; Slipstream File Transfer does not.

### Which is updated more often, Slipstream File Transfer or Phone Checkup?

Slipstream File Transfer ships an update every 3 days, and Phone Checkup every 3 days. Most recently, Slipstream File Transfer was updated on October 29, 2026 and Phone Checkup on October 26, 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.*