# 9Solver AI vs Notlan

The clearest difference is iOS requirement: 9Solver AI at 15.6 against Notlan's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 9Solver AI sells 7 in-app purchases, starting at $5.99 per 7 days and Notlan sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 9Solver AI | Notlan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 110 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Le Hoang Thi Ngoc](https://appshunter.io/developer/1458862040) | [ALAZ EREKUL](https://appshunter.io/developer/1869935123) |

## What reviewers say

### 9Solver AI

[App page](https://appshunter.io/ios/app/9solver-ai-homework-helper/id6758931755)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Monthly | $29.99 | per month |
| Monthly | $29.99 | per month |
| Yearly | $69.99 | per year |
| Yearly | $99.99 | per year |
| Premium | $99.99 | per year |


### Notlan

[App page](https://appshunter.io/ios/app/notlan/id6766013711)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notlan Pro Aylık | $2.99 | per month |
| Notlan Pro Yıllık | $19.99 | per year |


## Frequently asked questions

### Is 9Solver AI free?

9Solver AI is free to download, with in-app purchases available.

### Is Notlan free?

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

### Do 9Solver AI or Notlan have ads?

Neither 9Solver AI nor Notlan shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*