# BCI Mobile Conference vs HERD SD

The clearest difference is update cadence: HERD SD at every 2 days against BCI Mobile Conference's every 6 months. BCI Mobile Conference's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

BCI Mobile Conference ships an update every 6 months, HERD SD every 2 days. The most recent releases landed on October 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | BCI Mobile Conference | HERD SD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 days** |
| Size | 10 MB | 33 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [K-State Diagnostic and Analytical Services, Inc](https://appshunter.io/developer/1065009558) | [Grazielle Cioletti](https://appshunter.io/developer/1825411960) |

## What reviewers say

### BCI Mobile Conference

[App page](https://appshunter.io/ios/app/bci-mobile-conference/id1356720685)

**Features:** macOS Compatibility

**In-app purchases:** none


### HERD SD

[App page](https://appshunter.io/ios/app/herd-sd/id6748356498)

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

**In-app purchases:** none


## Frequently asked questions

### Is BCI Mobile Conference free?

BCI Mobile Conference is free to download, with no in-app purchases.

### Is HERD SD free?

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

### Do BCI Mobile Conference or HERD SD have ads?

Neither BCI Mobile Conference nor HERD SD shows ads.

### Which is updated more often, BCI Mobile Conference or HERD SD?

BCI Mobile Conference ships an update every 6 months, and HERD SD every 2 days. Most recently, BCI Mobile Conference was updated on October 26, 2026 and HERD SD on September 30, 2026.

---

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