IQ Test: Logic Brain Training is a mobile puzzle game that's exactly what it sounds like – a collection of logic challenges designed to test your mental agility. It's a pure Android and iOS app, meaning you download and install it directly from the Google Play Store or Apple's App Store. There's no PC version on Steam, nor is it on Xbox or Switch; it's a dedicated mobile experience first released in the last few years. The game is free to download and play, which is great, but like many free-to-play titles on the Google Play Store, it includes in-app purchases and occasional ads. The purchases range from small $1.99 packs for hints or to remove ads, up to a $9.99 premium unlock that disables all interruptions. It's racked up over a million installs on Android, so it's got a solid following, but don't expect a console-level production here – it's all about quick, on-the-go brain training.

Getting into the game is straightforward: you pick a category like spatial reasoning, math puzzles, or pattern recognition, and then you work through a series of timed challenges. The best part for me is the variety – one minute you're solving a visual grid puzzle, and the next you're doing a quick mental arithmetic test. It keeps things from feeling stale, which is a common problem with brain trainers. My favorite aspect is the “logic sequences” section where you have to figure out the next step in a series of shapes. It feels genuinely satisfying when you crack a tough one without using a hint. The difficulty curve is pretty fair too; it starts easy to warm you up, then gradually throws harder puzzles at you. I usually play it during my commute on Android, and the short session lengths are perfect for that – each puzzle only takes a couple of minutes, so it's easy to pick up and put down without feeling like you're in the middle of something heavy.

Compared to other brain games like Elevate or Peak, IQ Test: Logic Brain Training feels more focused on pure logic rather than language or memory skills. Elevate, for example, leans heavily on vocabulary and writing, while this one sticks to pattern-based and mathematical reasoning. If you're like me and prefer cold, hard logic over word games, this is the better download. It also has a cleaner interface than some other options on the Google Play Store – no flashy animations or distracting music, just the puzzles. I'd recommend it over something like Brain Test (which is more about trick questions) because this one actually feels like it's improving your reasoning, not just making you laugh. It's not as deep as a full puzzle game like The Witness, but for a mobile app you can install in seconds, it's a solid pick for sharpening your mind during idle moments.

• Diverse Puzzle Types 🧩 – Unlike games like Peak that focus on memory, IQ Test offers a wider range of logic challenges, from spatial reasoning to math sequences, so you never get bored with one type.
• Timed Challenges ⏱️ – Each puzzle has a countdown timer, pushing you to think fast. This beats Elevate's untimed exercises because it adds pressure that mirrors real-world problem-solving.
• Clean, Minimal Design 📱 – The interface is simple with no distractions, making it easier to focus on the puzzles. Many brain trainers clutter the screen with graphics, but this one keeps it straightforward for pure logic work.

• Quick Session Length ⚡ – Each puzzle wraps up in 1-2 minutes, perfect for short breaks. Compared to Elevate's longer modules, this feels more efficient for daily use on the bus or waiting in line.
• No Pay-to-Win Walls 🚫 – The app is fully playable for free, and the in-app purchases only remove ads or give hints. Unlike some Google Play brain games that lock content behind paywalls, you get the full experience without spending a cent.
• Real Logic Focus 🧠 – It emphasizes pure reasoning over vocabulary, which sets it apart from Peak or Lumosity. If you're into math and pattern puzzles, this app feels more rewarding than those with heavy language components.

• Limited Content Depth 📉 – After a few weeks, you might start seeing repeat puzzle types. Games like Elevate have more regular updates and new categories, so this one can feel shallow for long-term players.
• No Multiplayer or Social Features 👤 – There's no leaderboard or challenge mode like in Peak, which makes it less competitive. I miss the motivation of comparing scores with friends on these logic tests.
• Occasional Ad Interruptions 📺 – While free, the ads pop up between puzzles more often than I'd like. Removing them costs $9.99, which feels steep compared to other apps on the App Store that offer ad-free options for less.