# David Tian Courses vs Onegin

The clearest difference is in-app purchases: David Tian Courses at none against Onegin's 6. Onegin's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Onegin sells 6 in-app purchases, starting at $9.99 per month. David Tian Courses asks for nothing beyond the download.

David Tian Courses ships an update every 3 weeks, Onegin weekly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | David Tian Courses | Onegin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/david-tian-courses/id6470617180/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 49 MB | 37 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [David Tian, Ph.D.](https://appshunter.io/developer/1713887261) | [NEXTED GROUP SOCIEDAD LIMITADA](https://appshunter.io/developer/1724714189) |

## What reviewers say

### David Tian Courses

[App page](https://appshunter.io/ios/app/david-tian-courses/id6470617180)

Access a comprehensive library of online courses from an internationally renowned therapist and life coach. Transform your life with proven strategies and expert insights, all conveniently available in one easy-to-use application.

**Highlights:** Access online courses, Expert-led strategies, Mobile learning, Push notifications, Saved favorite modules, Password-free access

**Features:** Vision Pro support

**In-app purchases:** none


### Onegin

[App page](https://appshunter.io/ios/app/onegin-ai-work-assistant/id6475667570)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly 9.99 | $9.99 | per month |
| Free Trial 7 days | $9.99 | per month |
| All Access Monthly 19.90 | $19.90 | per month |
| Free Trial 7 days | $19.90 | per month |
| NEXT+ Welcome Monthly | $29.00 | per month |
| NEXT+ Monthly | $49.00 | per month |


## Frequently asked questions

### Is David Tian Courses free?

David Tian Courses is free to download, with no in-app purchases.

### Is Onegin free?

Onegin is free to download, with in-app purchases available.

### Do David Tian Courses or Onegin have ads?

Neither David Tian Courses nor Onegin shows ads.

### Which is updated more often, David Tian Courses or Onegin?

David Tian Courses ships an update every 3 weeks, and Onegin weekly. Most recently, David Tian Courses was updated on October 24, 2026 and Onegin on October 27, 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.*