Disappointing audiobook capability

I have a number of audiobook MP3s on dropbox. The app is able to access them and even download them for offline listening, but it refuses to save my place. I have to hunt through the tracks and figure out where I left off. The app has a setting you can enable to keep your place in podcasts and audiobooks,but it wont remember what track I was listening to last. It also seems to want to jump back to the first track every so often. Seems to work ok with M4b format, but is a waste of time for MP3 audiobooks.

Sheeradam about CloudBeats Offline Music