# Trout vs Notionize

The clearest difference is in-app purchases: Notionize at none against Trout's 3. Notionize also leads on update cadence (every 4 days vs every 5 months) and iOS requirement (12.4 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Trout sells 3 in-app purchases, starting at $2.49 per 2 months. Notionize asks for nothing beyond the download.

Trout ships an update every 5 months, Notionize every 4 days. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Trout | Notionize |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/trout/id384470167/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 21 MB |
| Requires iOS | 18.6 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital-Dirtbag](https://appshunter.io/developer/384470170) | [Nabil Chatbi](https://appshunter.io/developer/1175475173) |

## What reviewers say

### Trout

[App page](https://appshunter.io/ios/app/trout/id384470167)

This app helps you organize thoughts and ideas non-linearly using words and images. You can categorize concepts with color and shape, and enhance your maps with sketches and photos. Share your organized ideas as images or PDFs, or export them in OPML or markdown formats.

**Highlights:** Associate words and images, Organize ideas non-linearly, Categorize by color and shape, Add sketches and photos, Share as image or PDF, Export OPML or markdown, Freeform or automatic layout

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60 Day subscription | $2.49 | per 2 months |
| Free trial | Free | one-time |
| Lifetime Purchase | $3.99 | one-time |


### Notionize

[App page](https://appshunter.io/ios/app/notionize/id6447965263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trout free?

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

### Is Notionize free?

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

### Do Trout or Notionize have ads?

Neither Trout nor Notionize shows ads.

### Which is updated more often, Trout or Notionize?

Trout ships an update every 5 months, and Notionize every 4 days. Most recently, Trout was updated on November 1, 2026 and Notionize on November 7, 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.*