# BioStep vs B

The clearest difference is rating: BioStep at 5.0 against B's 3.0. BioStep also leads on update cadence (fortnightly vs every 5 months). B's advantage is iOS requirement (15.0 vs 17.6). On price, ratings volume, 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.

BioStep holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

BioStep ships an update fortnightly, B every 5 months. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BioStep | B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/biostep/id1132497528/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/b-donor/id1240112300/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Free | Free |
| Size | 74 MB | 26 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BioStep Inc](https://appshunter.io/developer/1132497527) | [TEQNEIA ICT](https://appshunter.io/developer/1240112299) |

## What reviewers say

### BioStep

[App page](https://appshunter.io/ios/app/biostep/id1132497528)

This app allows medical professionals to easily submit custom orthotic orders with detailed descriptions and images. It enables users to scan patient feet directly within the application.

**Highlights:** Submit custom orthotic orders, Detailed product descriptions, Image uploads for customization, Patient foot scanning, Secure professional access

**Features:** Vision Pro support

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-donor/id1240112300)

This app facilitates blood donation by connecting donors with requesters while prioritizing user privacy. It sends notifications for compatible blood group requests based on a saved location, allowing donors to contribute without direct contact. Users can even donate blood at a hospital without prior phone calls.

**Highlights:** Privacy-focused donor data, Location-based request notifications, Anonymous donor contact, Direct hospital donation option, Location services can be revoked post-signup

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

**In-app purchases:** none


## Frequently asked questions

### Is BioStep free?

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

### Is B free?

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

### Which has better reviews, BioStep or B?

BioStep is rated higher. BioStep averages 5.0 out of 5 from 2 ratings, while B averages 3.0 from 2 ratings.

### Do BioStep or B have ads?

Neither BioStep nor B shows ads.

### Which is updated more often, BioStep or B?

BioStep ships an update fortnightly, and B every 5 months. Most recently, BioStep was updated on October 9, 2026 and B on October 12, 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.*