# Lexie Assistant vs Biobest

The clearest difference is iOS requirement: Lexie Assistant at 13.4 against Biobest's 15.1. 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.

Lexie Assistant ships an update every 2 weeks, Biobest every 3 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Lexie Assistant | Biobest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 23 MB | 23 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lexie Systems, Inc.](https://appshunter.io/developer/1611756520) | [Biobestgroup](https://appshunter.io/developer/1708892726) |

## What reviewers say

### Lexie Assistant

[App page](https://appshunter.io/ios/app/lexie-assistant/id6466286771)

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

**In-app purchases:** none


### Biobest

[App page](https://appshunter.io/ios/app/biobest-side-effects-app/id6467640637)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lexie Assistant free?

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

### Is Biobest free?

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

### Do Lexie Assistant or Biobest have ads?

Neither Lexie Assistant nor Biobest shows ads.

### Which is updated more often, Lexie Assistant or Biobest?

Lexie Assistant ships an update every 2 weeks, and Biobest every 3 weeks. Most recently, Lexie Assistant was updated on November 3, 2026 and Biobest on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*