# STEM Discovery Campaign vs Loti

The clearest difference is update cadence: STEM Discovery Campaign at every 6 weeks against Loti's every 3 months. STEM Discovery Campaign also leads on device support (3 vs 1) and iOS requirement (11.0 vs 15.1). On price, ads and in-app purchases there is nothing between them.

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

STEM Discovery Campaign ships an update every 6 weeks, Loti every 3 months. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STEM Discovery Campaign | Loti |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stem-discovery-campaign/id1668152623/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 39 MB | 28 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [EUN Partnership AISBL](https://appshunter.io/developer/1293134978) | [TTS Group Limited](https://appshunter.io/developer/500131642) |

## What reviewers say

### STEM Discovery Campaign

[App page](https://appshunter.io/ios/app/stem-discovery-campaign/id1668152623)

Explore and submit STEM activities worldwide on an interactive map. Discover partner projects, learn about different STEM events, and filter entries to find what interests you. Participate in exciting competitions and win awards.

**Highlights:** Browse STEM activities on a map, Submit your own STEM activities, View partner projects, Discover diverse STEM events, Filter map and feed entries, Participate in competitions

**Features:** macOS Compatibility

**In-app purchases:** none


### Loti

[App page](https://appshunter.io/ios/app/loti-bot/id6444443344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STEM Discovery Campaign free?

STEM Discovery Campaign is free to download, with no in-app purchases.

### Is Loti free?

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

### Do STEM Discovery Campaign or Loti have ads?

Neither STEM Discovery Campaign nor Loti shows ads.

### Which is updated more often, STEM Discovery Campaign or Loti?

STEM Discovery Campaign ships an update every 6 weeks, and Loti every 3 months. Most recently, STEM Discovery Campaign was updated on September 23, 2026 and Loti 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.*