Echometers by Wildlife Bioacoustics is a great smartphone extension for recording and identifying bat species.

[ECHO METER TOUCH 2 FOR ANDROID (USB-C)][1]- **$179.00** [Sampling rate-256k]

[ECHO METER TOUCH 2 PRO FOR ANDROID (USB-C)][2] - **$349.00** [Sampling rate up to 384k @16bits]

[ECHO METER TOUCH 2 PRO FOR IOS][3]- **$349.00** [Sampling rate up to 384k @16bits]


[![Image courtesy - www.wildlifeacoustics.com][4]][4]

You can also use RØDE VideoMic GO for general recording.

[![Image courtesy www.macaulaylibrary.org][5]][5]


  [1]: https://www.wildlifeacoustics.com/products/echo-meter-touch-2-android-2
  [2]: https://www.wildlifeacoustics.com/products/echo-meter-touch-2-pro-android-2
  [3]: https://www.wildlifeacoustics.com/products/echo-meter-touch-2-pro-ios
  [4]: https://i.sstatic.net/LXlf9.png
  [5]: https://i.sstatic.net/IMILy.png