# HMPtransfer vs SandFlow

The clearest difference is iOS requirement: HMPtransfer at 12.0 against SandFlow's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HMPtransfer ships an update every 6 months, SandFlow daily. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | HMPtransfer | SandFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Size | 34 MB | 40 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HMP Magdeburger Prufgeratebau GmbH](https://appshunter.io/developer/1472949214) | [Robert Sandig](https://appshunter.io/developer/1853030697) |

## What reviewers say

### HMPtransfer

[App page](https://appshunter.io/ios/app/hmptransfer/id1455850188)

**Features:** macOS Compatibility

**In-app purchases:** none


### SandFlow

[App page](https://appshunter.io/ios/app/sandflow-hdd-assistent/id6799719546)

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

**In-app purchases:** none


## Frequently asked questions

### Is HMPtransfer free?

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

### Is SandFlow free?

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

### Do HMPtransfer or SandFlow have ads?

Neither HMPtransfer nor SandFlow shows ads.

### Which is updated more often, HMPtransfer or SandFlow?

HMPtransfer ships an update every 6 months, and SandFlow daily. Most recently, HMPtransfer was updated on September 30, 2026 and SandFlow 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.*