# Memory Walk vs PHD Helper

The clearest difference is device support: Memory Walk at 2 against PHD Helper's —. PHD Helper's advantage is iOS requirement (15.1 vs 18.6). On price and in-app purchases there is nothing between them.

Both are free to download. Memory Walk sells 1 one-off in-app purchase and PHD Helper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Memory Walk | PHD Helper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Weekly | — |
| Size | 3 MB | 41 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Lauren Gilman](https://appshunter.io/developer/1880124860) |

## What reviewers say

### Memory Walk

[App page](https://appshunter.io/ios/app/memory-walk/id6754450437)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited routes | $0.99 | one-time |


### PHD Helper

[App page](https://appshunter.io/ios/app/phd-helper/id6760105075)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me A Coffee | $4.99 | one-time |


## Frequently asked questions

### Is Memory Walk free?

Memory Walk is free to download, with in-app purchases available.

### Is PHD Helper free?

PHD Helper is free to download, with in-app purchases available.

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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.*