# krakentools vs BlueVoid

The clearest difference is price: krakentools at Free against BlueVoid's $9.99. krakentools also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). BlueVoid's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 8 days). On ads there is nothing between them.

krakentools is free to download; BlueVoid costs $9.99 up front. krakentools sells 3 in-app purchases, starting at $3.99 per month. BlueVoid asks for nothing beyond the download.

krakentools ships an update every 8 days, BlueVoid every 2 days. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | krakentools | BlueVoid |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 140 MB | 27 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arndt Kemper](https://appshunter.io/developer/1892010136) | [Bonomodo Ltd](https://appshunter.io/developer/6783131374) |

## 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 |


### BlueVoid

[App page](https://appshunter.io/ios/app/bluevoid/id6783131372)

**In-app purchases:** none


## Frequently asked questions

### Is krakentools free?

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

### Is BlueVoid free?

BlueVoid costs $9.99, with no in-app purchases.

### Do krakentools or BlueVoid have ads?

Neither krakentools nor BlueVoid shows ads.

### Which is updated more often, krakentools or BlueVoid?

krakentools ships an update every 8 days, and BlueVoid every 2 days. Most recently, krakentools was updated on October 15, 2026 and BlueVoid on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*