# IJAS vs IPSD 204 Connect

The clearest difference is update cadence: IJAS at every 3 days against IPSD 204 Connect's every 2 months. IPSD 204 Connect's advantage is iOS requirement (15.5 vs 17.6). 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.

IJAS ships an update every 3 days, IPSD 204 Connect every 2 months. The most recent releases landed on September 26, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | IJAS | IPSD 204 Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (14 ratings)](https://appshunter.io/ios/app/ijas/id6477354848/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | Free | — |
| Size | 50 MB | 78 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Praveen Boopathy](https://appshunter.io/developer/1729082828) | [Indian Prairie Community Unit School District](https://appshunter.io/developer/825797518) |

## What reviewers say

### IJAS

[App page](https://appshunter.io/ios/app/ijas/id6477354848)

This app provides information and updates for the Illinois Junior Academy of Science, the state's premier science fair event. It serves as a central hub for participants and attendees to access details about the fair.

**Highlights:** Event information, State science fair details, Participant updates, Event dates and location

**Features:** macOS Compatibility

**In-app purchases:** none


### IPSD 204 Connect

[App page](https://appshunter.io/ios/app/ipsd-204-connect/id6747454515)

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

**In-app purchases:** none


## Frequently asked questions

### Is IJAS free?

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

### Is IPSD 204 Connect free?

IPSD 204 Connect is free to download, with no in-app purchases.

### Do IJAS or IPSD 204 Connect have ads?

Neither IJAS nor IPSD 204 Connect shows ads.

### Which is updated more often, IJAS or IPSD 204 Connect?

IJAS ships an update every 3 days, and IPSD 204 Connect every 2 months. Most recently, IJAS was updated on September 26, 2026 and IPSD 204 Connect on September 28, 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.*