# Walk and Step Test vs CSFA25

The clearest difference is in-app purchases: Walk and Step Test at none against CSFA25's 1. Walk and Step Test also leads on iOS requirement (9.0 vs 14.0.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CSFA25 sells 1 one-off in-app purchase. Walk and Step Test asks for nothing beyond the download.

Walk and Step Test ships an update monthly, CSFA25 fortnightly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Walk and Step Test | CSFA25 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 24 MB | 88 MB |
| Requires iOS | **9.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [University of South Florida](https://appshunter.io/developer/373566946) | [Chethan Hn](https://appshunter.io/developer/1685881520) |

## What reviewers say

### Walk and Step Test

[App page](https://appshunter.io/ios/app/walk-and-step-test/id1449722843)

**Features:** macOS Compatibility

**In-app purchases:** none


### CSFA25

[App page](https://appshunter.io/ios/app/csfa25/id6745175457)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Package | $0.99 | one-time |


## Frequently asked questions

### Is Walk and Step Test free?

Walk and Step Test is free to download, with no in-app purchases.

### Is CSFA25 free?

CSFA25 is free to download, with in-app purchases available.

### Do Walk and Step Test or CSFA25 have ads?

Neither Walk and Step Test nor CSFA25 shows ads.

### Which is updated more often, Walk and Step Test or CSFA25?

Walk and Step Test ships an update monthly, and CSFA25 fortnightly. Most recently, Walk and Step Test was updated on October 4, 2026 and CSFA25 on October 14, 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.*