# JustTrain Training Hub vs Clew

The clearest difference is iOS requirement: JustTrain Training Hub at 15.6 against Clew's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. JustTrain Training Hub sells 4 one-off in-app purchases and Clew sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | JustTrain Training Hub | Clew |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 33 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HareDev LTD](https://appshunter.io/developer/623584742) | [Thomas Twardzik](https://appshunter.io/developer/1731056279) |

## What reviewers say

### JustTrain Training Hub

[App page](https://appshunter.io/ios/app/justtrain-training-hub/id1337606275)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Service Sales (Level 2) | $2.99 | one-time |
| Service Sales (Level 3) | $8.99 | one-time |
| Service Sales (Level 6) | $54.99 | one-time |
| Service Sales (Level 7) | $74.99 | one-time |


### 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 |


## Frequently asked questions

### Is JustTrain Training Hub free?

JustTrain Training Hub is free to download, with in-app purchases available.

### Is Clew free?

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

### Do JustTrain Training Hub or Clew have ads?

Neither JustTrain Training Hub nor Clew shows ads.

### Which is updated more often, JustTrain Training Hub or Clew?

JustTrain Training Hub ships an update every 3 weeks, and Clew every 3 weeks. Most recently, JustTrain Training Hub was updated on September 15, 2026 and Clew on September 24, 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.*