# Karakeep App vs Hydrographic Survey

The clearest difference is in-app purchases: Karakeep App at none against Hydrographic Survey's 2. Hydrographic Survey's advantage is iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Hydrographic Survey sells 2 in-app purchases, starting at $4.99 per month. Karakeep App asks for nothing beyond the download.

## The numbers

| Metric | Karakeep App | Hydrographic Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (43 ratings)](https://appshunter.io/ios/app/karakeep-app/id6479258022/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 68.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 64 MB | 31 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mohamed Bassem](https://appshunter.io/developer/1735323299) | [Gerard Rampal](https://appshunter.io/developer/6780474851) |

## What reviewers say

### Karakeep App

[App page](https://appshunter.io/ios/app/karakeep-app/id6479258022)

Effortlessly save links, notes, and images with automatic AI-powered tagging for quick retrieval. Search through all your saved content, including link contents, at blazing fast speeds. Organize your saved items into custom lists and share content from any app.

**Highlights:** Automatic AI tagging, Full-text search, Custom lists, Sharing extension, Save links, notes, and images

**Features:** Vision Pro support

**In-app purchases:** none


### Hydrographic Survey

[App page](https://appshunter.io/ios/app/hydrographic-survey/id6780474489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Karakeep App free?

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

### Is Hydrographic Survey free?

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

### Do Karakeep App or Hydrographic Survey have ads?

Neither Karakeep App nor Hydrographic Survey 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.*