# Expo ConneX vs SIGMA BG

The clearest difference is update cadence: Expo ConneX at fortnightly against SIGMA BG's every 11 months. Expo ConneX also leads on iOS requirement (8.0 vs 11.0). 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.

Expo ConneX ships an update fortnightly, SIGMA BG every 11 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Expo ConneX | SIGMA BG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Size | 84 MB | 26 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mediastudio Srl](https://appshunter.io/developer/428460126) | [ID&A S.r.l.](https://appshunter.io/developer/1446283055) |

## What reviewers say

### Expo ConneX

[App page](https://appshunter.io/ios/app/expo-connex/id1605944813)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIGMA BG

[App page](https://appshunter.io/ios/app/sigma-bg/id6752767809)

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

**In-app purchases:** none


## Frequently asked questions

### Is Expo ConneX free?

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

### Is SIGMA BG free?

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

### Do Expo ConneX or SIGMA BG have ads?

Neither Expo ConneX nor SIGMA BG shows ads.

### Which is updated more often, Expo ConneX or SIGMA BG?

Expo ConneX ships an update fortnightly, and SIGMA BG every 11 months. Most recently, Expo ConneX was updated on November 7, 2026 and SIGMA BG on November 8, 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.*