# Ninja vs Note Weaver

The clearest difference is iOS requirement: Ninja at 13.4 against Note Weaver's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Ninja sells 11 in-app purchases, starting at $2.99 per 7 days and Note Weaver sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Ninja ships an update every 2 weeks, Note Weaver weekly. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Ninja | Note Weaver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11K ratings)](https://appshunter.io/ios/app/ninja-ai-chat-for-students/id1673656331/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 92.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 14 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Semrai](https://appshunter.io/developer/1526112330) | [Martin Bailey Photography K.K.](https://appshunter.io/developer/778360478) |

## What reviewers say

### Ninja

[App page](https://appshunter.io/ios/app/ninja-ai-chat-for-students/id1673656331)

This AI-powered assistant helps students and professionals by generating essays with real-time sources, transforming handwritten notes into study guides, and solving homework problems from photos. It also offers integrated document and presentation tools, with a choice of advanced AI models.

**Highlights:** Advanced essay writing with real-time sources, Convert handwritten notes to study guides, Image-based homework explanation and problem-solving, Integrated document and presentation creation, Choice of AI models (GPT-4, Claude, etc.)

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $2.99 | per 7 days |
| Basic | $4.99 | per month |
| Pro | $9.99 | per month |
| Premium Monthly | $9.99 | per month |
| Expert | $19.99 | per month |
| 100 Tokens | $4.99 | one-time |
| Buy 250 Tokens | $7.99 | one-time |
| Basic | $9.99 | one-time |
| 1500 Tokens | $14.99 | one-time |
| Expert | $49.99 | one-time |
| Lifetime Plan | $69.99 | one-time |

**What reviewers like**

- 🚀 Efficient and productive
- 👍 User-friendly interface
- 💡 Customizable features
- 🚀 Quick task completion
- 🚀 Helpful AI-powered writing assistance

**What reviewers complain about**

- 🐛 Occasional technical issues
- 🔋 Potential for data loss

**Reported bugs**

- Login screen freezes
- Compatibility issues with older devices

**Requested features**

- Dark mode option
- Expanded collaboration tools
- Enhanced security and backup features


### Note Weaver

[App page](https://appshunter.io/ios/app/note-weaver/id6785705383)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Note Weaver Monthly Subscription | $5.99 | per month |
| Note Weaver Annual Subscription | $59.99 | per year |


## Frequently asked questions

### Is Ninja free?

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

### Is Note Weaver free?

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

### Do Ninja or Note Weaver have ads?

Neither Ninja nor Note Weaver shows ads.

### Which is updated more often, Ninja or Note Weaver?

Ninja ships an update every 2 weeks, and Note Weaver weekly. Most recently, Ninja was updated on September 25, 2026 and Note Weaver on September 17, 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.*