# NSTA Conference App vs ListEngine

The clearest difference is update cadence: ListEngine at fortnightly against NSTA Conference App's monthly. ListEngine also leads on iOS requirement (15.1 vs 17.0). 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.

NSTA Conference App ships an update monthly, ListEngine fortnightly. Both last shipped on September 18, 2026.

## The numbers

| Metric | NSTA Conference App | ListEngine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (20 ratings)](https://appshunter.io/ios/app/nsta-conference-app/id1328591697/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 51 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [National Science Teachers Association - Apps](https://appshunter.io/developer/534338118) | [Ummid Lohani](https://appshunter.io/developer/1895757948) |

## What reviewers say

### NSTA Conference App

[App page](https://appshunter.io/ios/app/nsta-conference-app/id1328591697)

This event navigation tool helps attendees and exhibitors make the most of conferences. It provides access to schedules, maps, exhibitor and speaker details, travel tips, and social media integration.

**Highlights:** Conference Schedule, Event Maps, Exhibitor Information, Speaker Information, Travel Tips, Social Media Integration

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

**In-app purchases:** none


### ListEngine

[App page](https://appshunter.io/ios/app/listengine/id6764384391)

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

**In-app purchases:** none


## Frequently asked questions

### Is NSTA Conference App free?

NSTA Conference App is free to download, with no in-app purchases.

### Is ListEngine free?

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

### Do NSTA Conference App or ListEngine have ads?

Neither NSTA Conference App nor ListEngine shows ads.

### Which is updated more often, NSTA Conference App or ListEngine?

NSTA Conference App ships an update monthly, and ListEngine fortnightly. Most recently, NSTA Conference App was updated on September 18, 2026 and ListEngine on September 18, 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.*