# Nottu vs BoldStep.ai

The clearest difference is update cadence: Nottu at every 3 weeks against BoldStep.ai's every 6 weeks. Nottu also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nottu sells 3 in-app purchases, starting at $9.99 per month and BoldStep.ai sells 6 in-app purchases, starting at $56.99 per year. Whichever you choose, the download price is not the number that matters.

Nottu ships an update every 3 weeks, BoldStep.ai every 6 weeks. The most recent releases landed on September 12, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Nottu | BoldStep.ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 99 MB | 25 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Rupinder Singh](https://appshunter.io/developer/1827216529) | [Omar Barkat](https://appshunter.io/developer/1799793902) |

## What reviewers say

### Nottu

[App page](https://appshunter.io/ios/app/nottu/id6748740430)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spark | $9.99 | per month |
| Edge | $29.99 | per month |
| Genius | $59.99 | per month |


### BoldStep.ai

[App page](https://appshunter.io/ios/app/boldstepai/id6753924032)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Subject | $56.99 | per year |
| Recommended Course | $69.99 | per 3 months |
| Basic | $99.99 | per year |
| Annual Package | $559.99 | per year |
| Sustom Subject subscription | $199.00 | one-time |
| Basic | $359.99 | one-time |


## Frequently asked questions

### Is Nottu free?

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

### Is BoldStep.ai free?

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

### Do Nottu or BoldStep.ai have ads?

Neither Nottu nor BoldStep.ai shows ads.

### Which is updated more often, Nottu or BoldStep.ai?

Nottu ships an update every 3 weeks, and BoldStep.ai every 6 weeks. Most recently, Nottu was updated on September 12, 2026 and BoldStep.ai on September 14, 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.*