Been a few years since I bothered. But, no never was. It was used on a Nexus S, Nexus 5, Nexus 10, and a Samsung Tab S3. All when they were new devices.
The Tab S3 was the last attempt years ago, but after so many attempts and fails, I just moved on.
And if it had been a low spec device issue, the system would freeze, not the app only.
Maybe used to 30 seconds being average?