# krakentools – TEC/REC Tools — Deco Planer, OC, CCR, 24 Tools > All-in-one toolbox for recreational, Nitrox, TEC, and CCR divers with planning, logbook, and media tools. (iPhone/iPad app by Arndt Kemper.) - Source: https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896 (this page in markdown: same URL + `.md`) - Developer: [Arndt Kemper](https://appshunter.io/developer/1892010136) - Category: Sports, Education - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.0 · 140 MB - Languages: American English - Released: 2026-05-01 - Data updated: 2026-08-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896/reviews.md ## What is krakentools? KrakenTools – the all-in-one toolbox for recreational, Nitrox, TEC, and CCR divers. Version includes 26 professional dive tools, a reworked digital logbook, Bluetooth support for many dive computers, expanded import/export functions, and support for 164 languages. DIVE TOOLS FOR PLANNING AND SAFETY • Dive planner for air, Nitrox, single, repetitive, and multi-dive plans • Decompression planner with Bühlmann ZH-L16C • NDL, Nitrox, Trimix, Best Mix, and gas analysis • Gasblender with real-gas and Z-correction • CNS/OTU, gas density, minimum gas, rock bottom, turn pressure, and lost gas • Bailout, ICD, EAD, EADD, END, ENP, and CCR setpoint • New CCR tools: O₂ cell tracker, scrubber calculator, and scrubber tracking • Lift bag, weighting, and scenario calculators DIGITAL LOGBOOK • Reworked logbook with improved structure, stability, and interfaces • Bluetooth for Shearwater, Heinrichs Weikamp, Ratio, DiveSoft, Halcyon, DiveSystem, Scubapro, Mares, Aqua Lung, Cressi, Oceanic, and more • Import from Scubapro LogTRAK, Garmin FIT, DiveLog, Suunto, and other formats • Export as JSON, CSV, UDDF, DL7, Subsurface XML, and PDF • Dive profiles, statistics, analysis, projects, and groups KRAKENSTUDIO • UW Color Fix becomes KrakenStudio • Photo and video color fix for underwater media • Beta camera connection for Insta360, GoPro, DJI Osmo, and other action cams KrakenTools combines dive planning, gas planning, logbook, dive computer connection, media editing, and analysis in one modern app – developed by divers for divers. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ## Key features - 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 ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | KrakenTools Pro - Monthly | $3.99 | per month | | KrakenTools Pro - Yearly | $44.99 | per year | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | KrakenTools Pro Version | $49.99 | one-time | ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/krakentools-tecrec-tools/id6761906896/reviews.md ### 5/5 — Perfekte App für Dekoplanung *2026-05-20* Erspart mir das nutzen viele Tools. Schön Aufgeräumt und tolle Exportfunktionen zum Nachbesprechen. Das Logbuch wurde auch gleich in Betrieb genommen. **Developer response:** Vielen Dank für die Bewertung ## Frequently asked questions about krakentools ### What dive types does krakentools support? krakentools supports recreational, Nitrox, technical (TEC), and closed-circuit rebreather (CCR) diving. It offers specific planning tools for each type, including multi-dive plans and gas calculations. ### Can krakentools connect to my dive computer? Yes, krakentools features Bluetooth support for numerous dive computers from brands like Shearwater, Heinrichs Weikamp, Ratio, and more. This allows for seamless data transfer to the digital logbook. ### What kind of data can I import and export with krakentools? You can import data from various formats including Scubapro LogTRAK, Garmin FIT, DiveLog, and Suunto. Export options include JSON, CSV, UDDF, DL7, Subsurface XML, and PDF for comprehensive data management. ### Does krakentools have tools for underwater media? Yes, the app includes KrakenStudio, which provides photo and video color correction specifically for underwater media. It also has beta camera connection support for action cams. ### How often is krakentools updated? The latest version, 1.0.7, was last updated on June 16, 2026. While specific update frequency isn't detailed, the app is actively maintained by its developer. ### What is the age rating for krakentools? krakentools has an age rating of 4+. This indicates it is suitable for a wide audience, though its technical nature is geared towards experienced divers. ### Is krakentools available on Android? Based on the provided data, krakentools is supported on iPhone, iPad, and iPod. Information regarding Android availability is not included. ### Does krakentools have ads? No, krakentools does not contain advertisements. The app is free to download and use without any ad interruptions. ## Version history (last 5 releases) ### 1.0.8 — 2026-07-26 Version includes 26 professional dive tools, a reworked digital logbook, Bluetooth support for many dive computers, expanded import/export functions. ### 1.0.7 — 2026-06-16 New in this version: • Bluetooth support for many dive computers, including Shearwater, Heinrichs Weikamp, Ratio, DiveSoft, Halcyon, DiveSystem, Scubapro, Mares, Aqua Lung, Cressi, and Oceanic • New OC and CCR tools • O₂ cell tracker, scrubber calculator, and scrubber tracking • Enhanced planner for air, Nitrox, single, repetitive, and multi-dives • Updated Nitrox planner • Gasblender with real-gas and Z-correction • KrakenStudio Beta with photo and video color fix • Camera beta for Insta360, GoPro, DJI Osmo, and other action cams • Reworked logbook with improved interfaces • Logbook import and export for common formats • PDF export for logbook data • Support for 164 languages ### 1.0.6 — 2026-05-26 New in this version: • Bluetooth support for many dive computers, including Shearwater, Heinrichs Weikamp, Ratio, DiveSoft, Halcyon, DiveSystem, Scubapro, Mares, Aqua Lung, Cressi, and Oceanic • New OC and CCR tools • O₂ cell tracker, scrubber calculator, and scrubber tracking • Enhanced planner for air, Nitrox, single, repetitive, and multi-dives • Updated Nitrox planner • Gasblender with real-gas and Z-correction • KrakenStudio Beta with photo and video color fix • Camera beta for Insta360, GoPro, DJI Osmo, and other action cams • Reworked logbook with improved interfaces • Logbook import and export for common formats • PDF export for logbook data • Support for 164 languages ### 1.0.5 — 2026-05-23 New in this version: • Bluetooth support for many dive computers, including Shearwater, Heinrichs Weikamp, Ratio, DiveSoft, Halcyon, DiveSystem, Scubapro, Mares, Aqua Lung, Cressi, and Oceanic • New OC and CCR tools • O₂ cell tracker, scrubber calculator, and scrubber tracking • Enhanced planner for air, Nitrox, single, repetitive, and multi-dives • Updated Nitrox planner • Gasblender with real-gas and Z-correction • KrakenStudio Beta with photo and video color fix • Camera beta for Insta360, GoPro, DJI Osmo, and other action cams • Reworked logbook with improved interfaces • Logbook import and export for common formats • PDF export for logbook data • Support for 164 languages ### 1.0.4 — 2026-05-11 KrakenTools 1.0.4 ist da präziser, weltoffener, stabiler. Mit diesem Release haben wir an den Stellen poliert, die im Tauchalltag wirklich zählen: Dekoplaner neu kalibriert – Bugfixes und feinere Runtime-Berechnung für noch verlässlichere Profile. UW ColorFix runderneuert – natürlichere Farben in Fotos und Videos, mit optimiertem Workflow. DiveMap-Modul überarbeitet – schneller, klarer, intuitiver. Inkl. aktualisiertem Wetter-Update direkt am Tauchplatz. Tauchcomputer & Logbuch – verbesserte Synchronisation und smartere Bedienung. Gasblender erweitert – mehr Mischoptionen für Tec-Diver. 108 Sprachen – mit neuen Varianten für Arabisch, Spanisch und Französisch sowie vollständiger RTL-Unterstützung. Stabilität & Performance – zahlreiche Bugfixes unter der Haube. Ein Update für alle, die unten ankommen wollen, wo es zählt. ## Related topics [suunto dive learning tools](https://appshunter.io/ios/topics/suunto-dive-learning-tools) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*