# Clew vs RetroStack

The clearest difference is in-app purchases: RetroStack at none against Clew's 3. RetroStack also leads on iOS requirement (15.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Clew sells 3 one-off in-app purchases. RetroStack asks for nothing beyond the download.

## The numbers

| Metric | Clew | RetroStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/clew-highlights-and-notes/id6477902274/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 55 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Twardzik](https://appshunter.io/developer/1731056279) | [Clifton Hatfield](https://appshunter.io/developer/1613799509) |

## What reviewers say

### Clew

[App page](https://appshunter.io/ios/app/clew-highlights-and-notes/id6477902274)

Capture and organize quotes, notes, and highlights from books, articles, films, and podcasts. Discover connections between your saved content through powerful tagging and intelligent recommendations. This app acts as a digital commonplace book, synced across all your devices.

**Highlights:** Save highlights from books, web, film, TV, and podcasts, Organize and search saved content, Discover connections between saved items, Tagging and intelligent recommendations, Syncs across all devices, Camera scanning for book pages

**Features:** macOS Compatibility, Safari Extension, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip - $0.99 | $0.99 | one-time |
| Generous Tip - $2.99 | $2.99 | one-time |
| Super Tip - $9.99 | $9.99 | one-time |


### RetroStack

[App page](https://appshunter.io/ios/app/retrostack/id6746953618)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clew free?

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

### Is RetroStack free?

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

### Do Clew or RetroStack have ads?

Neither Clew nor RetroStack shows ads.

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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.*