# krakentools vs Sym Junk

The clearest difference is update cadence: Sym Junk at every 3 days against krakentools's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. krakentools sells 3 in-app purchases, starting at $3.99 per month and Sym Junk sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

krakentools ships an update every 8 days, Sym Junk every 3 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | krakentools | Sym Junk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 140 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arndt Kemper](https://appshunter.io/developer/1892010136) | [Rogier Visser](https://appshunter.io/developer/672667764) |

## What reviewers say

### krakentools

[App page](https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896)

This comprehensive dive toolbox offers planning and safety features for recreational, Nitrox, TEC, and CCR divers. It includes a digital logbook with Bluetooth connectivity for various dive computers, extensive import/export options, and tools for underwater media editing.

**Highlights:** Dive planner for various dive types, Decompression planner with Bühlmann ZH-L16C, Gas planning and analysis tools, Digital logbook with Bluetooth sync, Import/export dive data, Underwater photo/video color correction, CCR-specific dive tools

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KrakenTools Pro - Monthly | $3.99 | per month |
| KrakenTools Pro - Yearly | $44.99 | per year |
| KrakenTools Pro Version | $49.99 | one-time |


### Sym Junk

[App page](https://appshunter.io/ios/app/sym-junk/id6794658823)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Divejunk | $6.99 | one-time |


## Frequently asked questions

### Is krakentools free?

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

### Is Sym Junk free?

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

### Do krakentools or Sym Junk have ads?

Neither krakentools nor Sym Junk shows ads.

### Which is updated more often, krakentools or Sym Junk?

krakentools ships an update every 8 days, and Sym Junk every 3 days. Most recently, krakentools was updated on October 15, 2026 and Sym Junk on October 15, 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.*