# Nerdy vs Stephen AI

The clearest difference is update cadence: Stephen AI at every 6 days against Nerdy's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nerdy sells 3 in-app purchases, starting at $4.99 per 7 days and Stephen AI sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Nerdy ships an update every 8 months, Stephen AI every 6 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Nerdy | Stephen AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/nerdy-daily-micro-learning/id6743842723/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FENIX MOBILE YAZILIM A.S.](https://appshunter.io/developer/1727080875) | [Prabhjot Singh](https://appshunter.io/developer/6800407972) |

## What reviewers say

### Nerdy

[App page](https://appshunter.io/ios/app/nerdy-daily-micro-learning/id6743842723)

Engage in interactive micro-lessons designed for efficient knowledge absorption. Explore a wide range of subjects and gain insights from book summaries, all within 15-minute daily sessions. Develop in-demand skills and personalized learning plans to foster self-growth.

**Highlights:** Interactive micro-lessons, 750+ book summaries, Self-growth challenges, Tailored learning plans, Wide range of subjects, Build in-demand skills

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nerdy Pro Weekly | $4.99 | per 7 days |
| Weekly Trial | $4.99 | per 7 days |
| Nerdy Pro 1 Month | $9.99 | per month |


### Stephen AI

[App page](https://appshunter.io/ios/app/stephen-ai-smart-study-tutor/id6800407970)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stephen Pro Monthly | $9.99 | per month |
| Stephen Pro Yearly | $71.90 | per year |


## Frequently asked questions

### Is Nerdy free?

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

### Is Stephen AI free?

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

### Do Nerdy or Stephen AI have ads?

Neither Nerdy nor Stephen AI shows ads.

### Which is updated more often, Nerdy or Stephen AI?

Nerdy ships an update every 8 months, and Stephen AI every 6 days. Most recently, Nerdy was updated on October 25, 2026 and Stephen AI on October 29, 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.*