# Genius Olympiad vs Stem Coach Mobile App

The clearest difference is in-app purchases: Genius Olympiad at none against Stem Coach Mobile App's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stem Coach Mobile App sells 2 in-app purchases, starting at $14.99 per month. Genius Olympiad asks for nothing beyond the download.

Genius Olympiad ships an update every 5 days, Stem Coach Mobile App weekly. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Genius Olympiad | Stem Coach Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/genius-olympiad/id6766984113/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free | — |
| Size | 47 MB | 4 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Terra Science and Education Inc.](https://appshunter.io/developer/1896343501) | [Vinay Yadav](https://appshunter.io/developer/6774858395) |

## What reviewers say

### Genius Olympiad

[App page](https://appshunter.io/ios/app/genius-olympiad/id6766984113)

This app serves as an official companion for a global environmental competition, providing finalists, judges, and guests with event information, personalized itineraries, and real-time announcements. Access event rules, schedules, judging details, and download certificates post-event.

**Highlights:** Centralized event information hub, Personalized arrival and travel itineraries, Interactive daily event schedules, Judging session details for finalists, Instant download of participation certificates, Campus dining and location resources, Real-time event announcements

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

**In-app purchases:** none


### Stem Coach Mobile App

[App page](https://appshunter.io/ios/app/stem-coach-mobile-app/id6774858393)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family Monthly | $14.99 | per month |
| Family Yearly | $119.99 | per year |


## Frequently asked questions

### Is Genius Olympiad free?

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

### Is Stem Coach Mobile App free?

Stem Coach Mobile App is free to download, with in-app purchases available.

### Do Genius Olympiad or Stem Coach Mobile App have ads?

Neither Genius Olympiad nor Stem Coach Mobile App shows ads.

### Which is updated more often, Genius Olympiad or Stem Coach Mobile App?

Genius Olympiad ships an update every 5 days, and Stem Coach Mobile App weekly. Most recently, Genius Olympiad was updated on October 9, 2026 and Stem Coach Mobile App on October 31, 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.*