# IJAS vs Lostant Comets

The clearest difference is update cadence: IJAS at every 3 days against Lostant Comets's every 3 weeks. IJAS also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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, Lostant Comets every 3 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IJAS | Lostant Comets |
| --- | --- | --- |
| 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 3 weeks |
| Monetization | Free | — |
| Size | 50 MB | 145 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Praveen Boopathy](https://appshunter.io/developer/1729082828) | [Lostant Community Unity School District](https://appshunter.io/developer/1498470349) |

## 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


### Lostant Comets

[App page](https://appshunter.io/ios/app/lostant-comets/id6800418655)

**In-app purchases:** none


## Frequently asked questions

### Is IJAS free?

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

### Is Lostant Comets free?

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

### Do IJAS or Lostant Comets have ads?

Neither IJAS nor Lostant Comets shows ads.

### Which is updated more often, IJAS or Lostant Comets?

IJAS ships an update every 3 days, and Lostant Comets every 3 weeks. Most recently, IJAS was updated on October 12, 2026 and Lostant Comets on October 6, 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.*