# LiFOS > Bluetooth device status monitor for current, voltage, electricity, and temperature. (iPhone/iPad app by Lifos Advanced Battery Technology.) - Source: https://appshunter.io/ios/app/lifos/id1435424835 (this page in markdown: same URL + `.md`) - Developer: [Lifos Advanced Battery Technology](https://appshunter.io/developer/1743983706) - Category: Utilities, Lifestyle - Price: Free - Age rating: 4+ - Requires: iOS 10.0 · 21 MB - Languages: American English - Released: 2018-09-12 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/lifos/id1435424835/reviews.md ## What is LiFOS? This product needs to be used with a Bluetooth device to display the relevant status of the device. Such as: current, voltage, electricity, temperature, state ## Key features - Bluetooth device status display - Real-time data monitoring - Current, voltage, and temperature readings - Electricity status tracking - Compatible with specific Bluetooth devices ## Recent user reviews (10 of 16) All indexed reviews: https://appshunter.io/ios/app/lifos/id1435424835/reviews.md ### 5/5 — Been in use 5+ years *2025-02-28, version 1.6* I use a LiFOS battery to power my amateur radio transceiver and a laptop for outdoor operating. I have used this iPhone app to keep an eye on the charge state of the battery ever since buying the battery in 2019. It works perfectly and has never given any trouble at all. ### 3/5 — LIFOs App *2025-02-06, version 1.6* Stopped recognising my lifos ### 2/5 — Underwhelming *2024-09-07, version 1.6* Difficult to read dials, but always used to connect. Now doesn’t! Battery is visible and starts flashing as soon as open app, but nothing shows in app ### 5/5 — Does what it should do. *2023-08-14, version 1.6* If you want to know the general state of the battery, it works fine, providing all the information needed. It connects to the battery instantly, lets me know if the battery is charging, the level of charge remaining etc. etc. I don't need a work of art, just info on my leisure battery, this app provides it. Excellent. ### 1/5 — Poor *2022-08-21, version 1.6* The scale of the dials is ridiculous and why not show digital number read outs instead? ### 3/5 — LIFOs App *2022-06-12* Shows state of charge ok. Really can’t understand why gauges have such high numbers for voltage, wattage and amps. Battery charges at 14.4, so why are we seeing 64 with max charge rate being near the red zone. Who needs to know up to 6000 watts? Can’t imaging using 200amps, without seriously discharging. Surely amending these gages would make the app more user friendly! ### 4/5 — Ok *2022-03-18, version 1.6* The app connects to the battery no problem every time and the dials do what they should. The only thing that doesn’t work, which resulted in a four star review, is the battery runtime calculator. It never shows anything other than zero ### 1/5 — Rubbish App *2022-02-01, version 1.6* App works....then doesn’t work....then works...then doesn’t work. Finds my battery but doesn’t give any info on it...LiFOS gave me advice to run the battery flat and then it will connect to the app...I did...it didn’t. Utter crap ### 2/5 — Ok, but needs improvements. *2021-09-24, version 1.6* Sub zero readings are not correct. I contacted LiFOS and they said they had multiple complaints about this and would contact the app developer. I think there should be an option for digital readings as opposed to the dial gauges, the text is way too small. ### 3/5 — Good in parts *2021-08-01, version 1.6* Works OK, but very poor interface. The numbers are in very small font and not easy to read. This is made worse by the scales used on the analogue dials. Scales up to 6000 watts and 200 amps mean that the needle hardly moves for 3A or 40W and is useless as a guide. Up to 64V is not much better when I have a 12V battery. These sort of tweaks cannot be difficult to incorporate, either by changing the scales used or (better still) by allowing the user to set the scales. So get your app developer working on it, to match the quality of your product!! ## Frequently asked questions about LiFOS ### What devices is LiFOS compatible with? LiFOS is designed to work with specific Bluetooth devices that transmit status information. It is supported on iPhone and iPod devices. ### What kind of data can I see with LiFOS? LiFOS allows you to monitor real-time data such as current, voltage, electricity consumption, and temperature of your connected Bluetooth devices. ### Is LiFOS free to use? Yes, LiFOS is available for free. There are no costs associated with downloading or using its core features. ### How often is LiFOS updated? The app was last updated on November 12, 2020, to version 1.6. Future updates will depend on the developer's release schedule. ### What is the age rating for LiFOS? LiFOS has an age rating of 4+, making it suitable for a wide range of users. ### Does LiFOS have ads? No, LiFOS does not contain advertisements, providing an uninterrupted user experience. ### Can LiFOS monitor any Bluetooth device? No, LiFOS specifically requires the Bluetooth device to be designed to transmit status information that the app can interpret. It is not a universal Bluetooth scanner. ## Version history (last 5 releases) ### 1.6 — 2020-11-12 1、Compatible iOS10. 2、Fix known problems. ### 1.5 — 2020-11-11 Version 1.5 works out LiFOS battery compatibility problem. ### 1.4 — 2019-11-07 Change the icon ### 1.3 — 2019-10-26 optimized interface ### 1.2 — 2018-09-19 Prompt display English ## More apps by Lifos Advanced Battery Technology - [LiQ](https://appshunter.io/ios/app/liq/id6736621560) All apps by Lifos Advanced Battery Technology: https://appshunter.io/developer/1743983706 --- *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 2026-06-10.*