Based on the user reviews on the Apple App Store, I've extracted the following cons and pros for Tongue Stack: **Cons:** 1. **Buggy experience**: Frequent crashes, glitches, and freezing issues affect overall app performance badly. 2. **Limited features**: Lack of key features and functionalities renders the app less useful and disappointing. 3. **No sharing options**: Unable to share stacks or progress with friends or online communities is irritating. **Pros:** 1. **Engaging concept**: Interactive stack-building gameplay is unique, challenging, and entertaining. 2. **Simple and intuitive UI**: Easy-to-use interface makes it simple for users to navigate and start playing quickly. 3. **Addictive gameplay**: Innovative game mechanics keep players engaged and motivated to improve their skills.