Very Useful
As a beginner to Mandarin I had no idea how to use this app. I started taking TutorMing online lessons with their app. They have a review section with sound but sometimes I just didn't seem to be getting the words right. Using THIS app suddenly became the most useful adjunct I could have asked for. For me, Mandarin takes several approaches. I have found this app along with few others to be paramount in my learning.
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Intrusive adds and inability to restore purchase makes app nearly worthless
I upgraded to a new device and purchases were not automatically restored. There are no settings for this app so the purchase and restore options are hidden behind a tiny remove ads button. This takes you to a page to purchase themes of some sort. The restore purchase button is there but you can't scroll to it and tap before it springs off screen. While doing all of this you are still subject to full screen ads every 30 seconds which makes using the app pointless.
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Does a good job - but ads are too intrusive
This app was good until sometime in 2016 when the frequency of the ads increased and became so intrusive that learning isn't possible anymore. The price for the PRO version is priced far too high for a simple utility. If this app is the gateway for customers to explore the developer's other software, I believe they are hindering their sales by this strategy. I have given up on this app in its new advertisement-bloated form. It was good for many years.
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