# Spatial Skills Training vs Study Buddy | AI Assistant

The clearest difference is in-app purchases: Spatial Skills Training at none against Study Buddy | AI Assistant's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Study Buddy | AI Assistant sells 2 one-off in-app purchases. Spatial Skills Training asks for nothing beyond the download.

Spatial Skills Training ships an update every 7 months, Study Buddy | AI Assistant every 6 months. The most recent releases landed on May 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Spatial Skills Training | Study Buddy | AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Size | 501 MB | 156 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Instituto de Investigacion e Innovacion en Bioingenieria - UPV](https://appshunter.io/developer/1210753001) | [Urav Advanced Learning Systems Private Limited](https://appshunter.io/developer/1767137834) |

## What reviewers say

### Spatial Skills Training

[App page](https://appshunter.io/ios/app/spatial-skills-training/id1492918232)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Buddy | AI Assistant

[App page](https://appshunter.io/ios/app/study-buddy-ai-assistant/id6671574219)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 TalkTime | $5.99 | one-time |
| Promo TalkTime | $5.99 | one-time |


## Frequently asked questions

### Is Spatial Skills Training free?

Spatial Skills Training is free to download, with no in-app purchases.

### Is Study Buddy | AI Assistant free?

Study Buddy | AI Assistant is free to download, with in-app purchases available.

### Do Spatial Skills Training or Study Buddy | AI Assistant have ads?

Neither Spatial Skills Training nor Study Buddy | AI Assistant shows ads.

### Which is updated more often, Spatial Skills Training or Study Buddy | AI Assistant?

Spatial Skills Training ships an update every 7 months, and Study Buddy | AI Assistant every 6 months. Most recently, Spatial Skills Training was updated on May 16, 2026 and Study Buddy | AI Assistant on September 11, 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.*