# Notelyn vs Unseen X

The clearest difference is in-app purchases: Unseen X at none against Notelyn's 8. Unseen X also leads on update cadence (weekly vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Notelyn sells 8 in-app purchases, starting at $3.99 per 7 days. Unseen X asks for nothing beyond the download.

Notelyn ships an update fortnightly, Unseen X weekly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Notelyn | Unseen X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/notelyn-ai-lecture-note-taker/id6747017579/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | — |
| Size | 105 MB | 11 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Study AI](https://appshunter.io/developer/1819415812) | [Manik Lakhanpal](https://appshunter.io/developer/1856101142) |

## What reviewers say

### Notelyn

[App page](https://appshunter.io/ios/app/notelyn-ai-lecture-note-taker/id6747017579)

Transform lectures and imported content into organized notes, flashcards, and summaries. Features include AI-powered transcription, question generation with citations, and spaced repetition for effective learning. Supports various import formats and cross-device synchronization.

**Highlights:** AI transcription and summarization, Flashcard and quiz generation, Spaced repetition learning, Speaker separation and language detection, Import audio, video, PDFs, and web links, Mind map creation, Cross-device cloud sync

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Note Taker Pro - Weekly | $3.99 | per 7 days |
| AI Note Taker Pro - Monthly | $12.99 | per month |
| AI Note Taker Pro - Annual | $59.99 | per year |
| AI Note Taker Pro - Yearly | $79.99 | per year |
| 250 Credits · Starter | $5.99 | one-time |
| 750 Credits · Plus | $14.99 | one-time |
| 1,800 Credits · Pro | $29.99 | one-time |
| 5,000 Credits · Mega | $69.99 | one-time |


### Unseen X

[App page](https://appshunter.io/ios/app/unseen-x/id6761769015)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notelyn free?

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

### Is Unseen X free?

Unseen X is free to download, with no in-app purchases.

### Do Notelyn or Unseen X have ads?

Neither Notelyn nor Unseen X shows ads.

### Which is updated more often, Notelyn or Unseen X?

Notelyn ships an update fortnightly, and Unseen X weekly. Most recently, Notelyn was updated on October 2, 2026 and Unseen X on October 18, 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.*