Today’s apps gone free: Star Defender 4, PDF Photos, Shoppylist and more

Blast alien scum, convert photos to PDFs, and create a digital shopping list with today’s collection of apps and games.

All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.

Universal:

Color Tower ($0.99 → Free, 13.1 MB): Build colorful towers in this puzzle game. It’s for gamers who are looking for a challenging block-stacking game.

Color Tower is all about perspective. It’s your job to tear down stacks of colored blocks and build them back up in order to match the blueprint. This is easier said than done since you’re provided with a single side angle view of the blocks. The game also tracks your time spent and moves taken for each puzzle, so you’ll want to move quickly and accurately. Color Tower includes a total of 20 levels to complete.

Color Tower is available for free for a limited time. It has a 4-star rating with a total of 153 ratings.

Animal Game Show – Whose Toes are Those? – Matching Fun for Kids and Family – Ultimate Edition ($2.99 → Free, 10.3 MB): This educational game has your child trying to figure out whose toes are sticking out from underneath the curtain. The game is ideal for parents looking to help their child with their identification skills.

Animal Game Show will build up your child’s confidence while entertaining them. Your child gets to see a set of toes sticking out from underneath the curtain, and they must decide what animal or person they belong to. They’re provided with three possible answers, and when they select the correct one the curtain will be drawn.

Animal Game Show – Whose Toes are Those? – Matching Fun for Kids and Family – Ultimate Edition is available for free for a limited time. It has a 4-star rating with a total of 22 ratings.

PDF Photos – Convert Photos to PDF ($1.99 → Free, 3.3 MB): Convert photos to PDF in a snap with PDF Photos. It’s ideal for those who want to share collections of photos.

PDF Photos makes converting photos PDF a painless process. Simply select the orientation, margin size, and the amount of photos you want collected on each page. Then tap into your library and grab all of the photos you want. You can preview your PDF before saving it, sending it off to Messages or via AirDrop, or uploading it to Cloud Drive.

PDF Photos – Convert Photos to PDF is available for free for a limited time. It has a 4.5-star rating with a total of 31 ratings.

Shopping List Shoppylist ($0.99 → Free, 443.5 KB): Craft and share your grocery shopping lists right from your iDevice with this easy to use productivity app. It’s for anyone interested in going digital with their lists.

Just start typing and ShoppyList will suggest items using its built-in library. Add a colon right after your item name to attach a quantity or note. You’re also able to add items by browsing by type or recently added. You can mark items off your list while wandering around the store with a tap. ShoppyList also allows you to create multiple lists, duplicate lists, and share them via email, Messages, or AirDrop.

Shopping List Shoppylist is available for free for a limited time. It has a 3.5-star rating with a total of 24 ratings.

iPad:

Star Defender 4 ($1.99 → Free, 18.1 MB): Blast through waves of Insectus invaders in Star Defender 4. It’s for fans of classics like Space Invaders.

Just slide your finger across the left side of the screen to control your ship’s movements. Buttons on the right side allow you to fire your primary and secondary weapons. Wipe out wave after wave of enemies and collect the power-ups they drop to help your cause. The game includes eight missions, 100 levels, loads of weapons and power-ups, and leaderboards and achievements via Game Center.

Star Defender 4 is available for free today only (10/23). It has a 4.5-star rating with a total of 50 ratings.

That concludes today’s issue of Apps Gone Free. If you like staying on top of these daily deals, don’t forget to check out our free AppsGoneFree app. It provides all the deals each day, and even an archive of past deals that are still active.

Developers:

If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:

It must have at least a three-star average rating at the time it goes free.
The app must not have been free numerous times (3+) over the last six months.
The free version of your app must not include ads.

To submit an app, simply send a request to tyler@appadvice.com with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.