# ExpoLight vs ST

The clearest difference is review sentiment: ExpoLight at 100% against ST's 0%. ExpoLight also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

ExpoLight ships an update fortnightly, ST every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ExpoLight | ST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.9 (11 ratings)](https://appshunter.io/ios/app/st-contact-center-pro/id6593705486/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | Free |
| Size | 74 MB | 176 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Expotools LLP](https://appshunter.io/developer/583329574) | [Desktop Communications, LLC](https://appshunter.io/developer/1549962035) |

## What reviewers say

### ExpoLight

[App page](https://appshunter.io/ios/app/expolight/id1456798519)

This app serves as a comprehensive mobile guide for conferences, offering schedule information, venue maps, and speaker biographies. It allows users to create personalized agendas for events utilizing the ExpoTools system and can provide real-time location data if supported by the event.

**Highlights:** Conference schedule information, Venue maps, Speaker biographies, Personalized agenda creation, Real-time event location (if available), Event code access

**Features:** macOS Compatibility

**In-app purchases:** none


### ST

[App page](https://appshunter.io/ios/app/st-contact-center-pro/id6593705486)

Manage your business phone line, make calls, and check voicemails from any location. This app keeps you connected and in control of your communications while on the go.

**Highlights:** Make calls from anywhere, Check voicemails, Manage phone line, Stay connected on the go, Handle communications remotely

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ExpoLight free?

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

### Is ST free?

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

### Do ExpoLight or ST have ads?

Neither ExpoLight nor ST shows ads.

### Which is updated more often, ExpoLight or ST?

ExpoLight ships an update fortnightly, and ST every 2 months. Most recently, ExpoLight was updated on October 25, 2026 and ST on October 24, 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.*