# Platysens Marlin > Companion app for Platysens Marlin swim meter, enabling configuration, data sync, and training. (iPhone/iPad app by Platysens Limited.) - Source: https://appshunter.io/ios/app/platysens-marlin/id1131934460 (this page in markdown: same URL + `.md`) - Developer: [Platysens Limited](https://appshunter.io/developer/1131934459) - Category: Sports, Health & Fitness - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 5 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 70 MB - Languages: American English, Japanese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) - Released: 2017-02-24 - Data updated: 2026-06-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/platysens-marlin/id1131934460/reviews.md ## What is Platysens Marlin? The Platysens Marlin is a swim meter designed to talk to you. This App uses Bluetooth low energy technology to enable the configuration and data synchronisation of the Marlin device. Account Setup - A free account setup is required for the use of the App. Data backup to our cloud allows for data to be securely backed up on our servers. Configuration - Set up configuration for pool mode or open water mode*. Once completed, the configuration can be transferred to the Marlin device. Data Synchronisation - After your swim, data from the Marlin device can be synchronised to the device. Detailed data of your swim can be displayed in the App. Open Water Courses - Set up your open water course on a map and transfer to the Marlin device. The Marlin device will provide navigation information to guide you to the destination. Training Program - Training programs can be configured in the App and transferred to the Marlin device. When you swim, a friendly voice will help you step through each step of the training program. Platysens Swim Meter - This is a companion APP for the Platysens Marlin Swim Meter. For more information, visit us at http://www.platysens.com *Open water mode is not available on the Marlin-P model Privacy Policy - http://platysens.com/privacy/ ## Key features - Bluetooth device configuration - Swim data synchronization - Pool and open water modes - Open water course navigation - Voice-guided training programs - Detailed swim analytics ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/platysens-marlin/id1131934460/reviews.md ### 3/5 — Brilliant but some flaws *2019-10-03, version 0.11.27* The concept is brilliant. The software flawed. Focusing on the app, it rarely uploads to Garmin Connect and loses the login info frequently. Little gripe - it always show the pool swims first in history regardless of what I did last (why not show both and then allow me to filter?) The app no longer allows me to report by time, it is stuck on by distance. Touching on the device itself, it is infuriating in the pool as it gets the length wrong happily doing nothing for a number of lengths and then spewing out a series of 1s lengths. Never use in the pool now. ### 3/5 — Great when it works *2019-04-10, version 0.11.25* I have had my Platysens for almost two years & am yet to get it to work in a pool. The unit has been replaced very easily once & the company couldn’t be more helpful. It has in the past not uploaded swims to app. Now the app is not showing any data & I am being asked to jump through hoops to answers. A to where all the swims I have done have gone & there are loads. Like I said, brilliant when it works. ### 1/5 — Jed Kay *2018-08-28, version 0.11.22* App keeps crashing ### 5/5 — With its hardware gadget, this app is amazing *2018-06-15* You need to buy the gadget that fits on your swim goggles. I use this for open water swimming. I love being able to draw a route on a map and then not have to think about where I’m going while swimming because the gadget tells me where to go. Great data collection, too. ### 5/5 — Best Open Water Swim Tracker/Feedback/Recorder *2018-06-03* Easy to use and provides excellent feedback both during the swim and displayed on the app. Excellent GPS. ## Frequently asked questions about Platysens Marlin ### What is Platysens Marlin? Platysens Marlin is a companion app designed to work with the Platysens Marlin Swim Meter device. It allows for configuration, data synchronization, and provides navigation and training program guidance. ### Does Platysens Marlin require an account? Yes, a free account setup is required to use the Platysens Marlin app. This account enables secure data backup to their cloud servers. ### Can Platysens Marlin be used for open water swimming? Yes, Platysens Marlin supports an open water mode for setting up courses on a map and receiving navigation information. Note that this feature is not available on the Marlin-P model. ### How does Platysens Marlin help with training? You can configure training programs within the Platysens Marlin app and transfer them to the Marlin device. While you swim, a voice will guide you through each step of the program. ### What devices does Platysens Marlin support? Platysens Marlin is available for iPhone and iPod devices. It utilizes Bluetooth low energy technology to connect with the Marlin swim meter. ### Is Platysens Marlin free to use? Yes, Platysens Marlin is available for free. There are no in-app purchases or advertisements mentioned in the app's description. ### How often is Platysens Marlin updated? The latest version of Platysens Marlin is 0.14.1, last updated on June 4, 2023. This indicates relatively recent development activity. ### What is the age rating for Platysens Marlin? Platysens Marlin has an age rating of 4+. This suggests it is suitable for a wide range of users, including children. ## Version history (last 5 releases) ### 0.14.1 — 2023-06-04 Fixed issue in latest iOS version ### 0.14.0 — 2021-09-08 You can now use Marlin App as a guest user. Log in to cloud account is optional. ### 0.13.6 — 2021-06-01 Support pair Marlin with Polar Verity Sense ### 0.13.5 — 2021-02-24 Improve calories calculation ### 0.13.4 — 2021-01-26 Fixed crashes when seelcting training program ## Apps similar to Platysens Marlin | App | Rating | Price | Category | | --- | --- | --- | --- | | [Shearwater Cloud](https://appshunter.io/ios/app/shearwater-cloud/id1185701505) | 2.6 (95) | Free | Sports | | [DiverLog+](https://appshunter.io/ios/app/diverlog-plus/id1294460120) | 2.7 (101) | Free | Sports | | [Paddlz: Paddle Fitness Tracker](https://appshunter.io/ios/app/paddlz-paddle-fitness-tracker/id1159109484) | — | $4.99 | Sports | | [MyFreelap Legacy](https://appshunter.io/ios/app/myfreelap-legacy/id1068866608) | 3.8 (18) | Free | Sports | | [TDash](https://appshunter.io/ios/app/tdash/id1671800753) | — | Free | Sports | | [SCUBAPRO LogTRAK 2.0](https://appshunter.io/ios/app/scubapro-logtrak-20/id1567917991) | 2.0 (48) | Free | Sports | ## More apps by Platysens Limited - [Platysens MarlinX](https://appshunter.io/ios/app/platysens-marlinx/id1316864473) - [Platysens Penguin](https://appshunter.io/ios/app/platysens-penguin/id1461743599) All apps by Platysens Limited: https://appshunter.io/developer/1131934459 --- *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 2026-06-01.*