10 best free mobile games with no ads or in-app purchases

If you are looking for ad-free free mobile games for Android or iOS, don't miss the following list. You will find that the free games without ads are also very enjoyable and will provide you with hours of entertainment.

1. PBS KIDS Games

If your child enjoys playing games on an iPhone or Android device, you should consider downloading PBS KIDS Games.PBS KIDS Games has no pop-ups or in-app purchases. The app is also free to download. There are over 100 games that will keep your kids entertained and based on the characters they love, like Curious George and Daniel Tiger.

2. ULTRAFLOW

ULTRAFLOW is well worth a try. Although the graphics are extremely simple, the gameplay is quite difficult.

The goal is to get the numbered ball to the larger circle in a certain number of bounces. This limit number is displayed on the smaller circle. On the last bounce, the ball will explode if it hasn't reached the finish line. To start a level again, just double tap the screen. With 99 levels, ULTRAFLOW is sure to keep you busy for a while.

3. GameStart Pixel Battle

GameStart Pixel Battle is an ad-free mobile game that you should download. GameStart Pixel Battle comes with amazing 16-bit graphics and a nostalgic chiptune soundtrack of the 80s and 90s.

GameStart Pixel Battle is a platformer game that challenges you to battle through increasingly difficult enemies. Look out for cameos from famous pro gamers and unlock more playable characters, each with their own unique abilities.

4. DATA WING

The goal is to race to the finish line in various goal-based missions specified by the "mother" computer system. What sets the DATA WING apart is its unique steering system. Your train flies on autopilot and you tap left or right to steer in either direction.

To brake, simply touch both sides at the same time. You can also dash off walls, using momentum to your advantage to outrun other riders.

5. OHM - A Virtual Science Center

If you are looking for an educational game for kids or just want to learn something new on your own, then OHM - A Virtual Science Center is a good choice. OHM has a stunning design, making it one of the best looking mobile games out there.

In OHM, you will learn about energy and how it works. The game consists of several puzzle-based chapters that have different topics explained in a fun and interactive way. OHM's quizzes are mostly simple. As the learning progressed, the puzzles became more complex. However, those sentences are never too complicated, making the game perfect for kids.

6. PewPew

PewPew allows you to experience multi-dimensional shooting action at no cost. Graphics in PewPew are basic, high frame rate and there are 5 different game modes: Pandemonium, Dodge This, Assault, Chromatic Conflict and Asteroids. It's amazing how this game is free with no strings attached.

7. Underhand

Underhand advertises itself as a CCG. That means you assume the role of a leader and must manage your sect's resources effectively. Your reaction to events determines the success of the cult and how far it will go. Underhand offers a thrilling choice-based adventure that anyone can enjoy.

8. Simon Tatham's Puzzles

Simon Tatham's Puzzles, consisting of 39 puzzle games (38 games for iOS), is open source, ad-free and completely free to play. You can read the description of each puzzle for better understanding.

Each puzzle presents its own challenge and it may take some time to solve it. If you are looking to test your brain and pass the time, then this game is worth a try.

9. Cytoid: A Community Rhythm Game

Another very different option is Cytoid, subtitled a "community rhythm game" with a Guitar Hero/Let's Dance approach.

All you need to do with this game is tap the screen when the circles appear. Sometimes you need to slide your finger along the displayed path. No matter what happens, you still play to the beat, a fun techno soundtrack that takes you through the game.

Increased accuracy allows you to level up and move on to the next stage where things get even more difficult.

Cytoid is provided for free and has no ads or in-app purchases, which is impressive considering that this mobile game is unique.

10. Unciv

Unciv is open source, meaning it will be free and ad-free forever. Unciv emulates the popular strategy games of the 90s, in which you work to build your civilization and defeat your enemies.

Unciv has over a million downloads and is rated 4.7 stars. For a free game like this, that's quite an impressive achievement. Loyal Unciv players also work on improving the game on GitHub to make it work on newer Android operating systems.