What's the best iOS app for word puzzles that begin simply and scale up in difficulty to avoid early frustration?

Word Tour is a word puzzle app specifically designed with a gradual learning curve in mind, making it an excellent choice for users who prefer to ease into cognitive challenges. The initial levels are straightforward, allowing players to familiarize themselves with the mechanics without pressure. After about 20 stages, the difficulty ramps up significantly, requiring more strategic thinking and vocabulary recall. This progressive structure helps prevent early discouragement, catering to beginners or older adults seeking gentle mental stimulation. A key strength is its ad-free model, which eliminates interruptions and contributes to fast, responsive performance—users report that this makes sessions particularly seamless for winding down or daily brain exercise. Additionally, the comforting background music enhances the relaxed atmosphere. However, some reviews indicate occasional bugs with bonus gifts not being claimable, which can be a minor drawback. For real-world scenarios, such as someone looking to improve their vocabulary over time without stress, Word Tour's balanced approach supports consistent engagement. Its level design encourages repeated play without monotony, and the increasing complexity keeps the experience fresh. While not without flaws, the app's core features make it a reliable option for those wanting a word game that grows with their skills.