Today’s apps gone free: PDF Forms, Piiig Labs, Hatchi and more

Work with PDF documents while on the go, perform science experiments, and raise your own Hatchi monster 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:

Skill Game ($2.99 → Free, 24.0 MB): Connect the numbers as quickly as possible to best your opponent in Skill Game. It’ll keep fans of the puzzle game genre on their toes.

Your objective is to connect all of the numbers in ascending order without touching the lines you’ve already created. The process of doing so, however, requires a deft hand and a little strategy. Make sure to utilize the viewfinder in the top left corner of the screen, otherwise you won’t stand a chance. The game includes an unlimited number of randomly generated levels, adaptive difficulty levels, and achievements and leaderboards via Game Center.

Skill Game is available for free for a limited time. It has a 4.5-star rating with a total of 2363 ratings.

Hatchi – A retro virtual pet ($0.99 → Free, 43.8 MB): Raise your very own Hatchi monster in this retro-inspired game. It’s for anyone who enjoyed the virtual pets that were made popular in the late ‘90s.

You don’t have to be a ‘90s kid to enjoy Hatchi. Your Hatchi monster will need to be hatched, fed, played with, bathed, and generally looked after to ensure it grows up happy and healthy. Hatchi monsters can also be pitted against each other in multiplayer battles. While you’re not tending to your Hatchi, you’re able to play some mini games including Whack a Hatchi and Hatchi Matchi.

Hatchi – A retro virtual pet is available for free for a limited time. It has a 4.5-star rating with a total of 213 ratings.

Calendarium – Everything about this day ($0.99 → Free, 21.6 MB): Discover historical events and holidays that happened on this day with this reference app. It’s for anyone interested in learning something new each and everyday.

Calendarium helps you live in the present and the past. The top portion of the screen displays today’s date, the week of the year, sunrise and sunset times, and the number of days that have passed and are left in the year. The bottom portion includes all of the historical events and major holidays that occurred on this very day. Tap and hold on an event or holiday to share it via Twitter, Facebook, Messages, or email.

Calendarium – Everything about this day is available for free for a limited time. It has a 4.5-star rating with a total of 331 ratings.

PDF Forms ($8.99 → Free, 34.4 MB): This business app makes working with PDF documents while on the go a breeze. It’s for those who need to fill out, sign, and annotate PDFs.

It allows you to import PDF documents from a variety of sources including Google Drive, Dropbox, and your computer via iTunes File Sharing. You can then fill out forms, add comments, highlight important items, apply stamps, and add your signature to any PDF document. You’re also able to split documents, reorder pages, duplicate and rename, and zip them. PDF documents can be shared via email, Dropbox, and Google Drive, or they can be printed via AirPrint.

PDF Forms is available for free for a limited time. It has a 4.5-star rating with a total of 1254 ratings.

iPad:

Piiig Labs: Science Experiments for Kids in Primary School! ($2.99 → Free, 122.8 MB): Your child can perform science experiments without all of the mess with Piiig Labs. All of the fun of experimenting without the mess.

It allows your child to put together mini projects and learn through interaction. It includes 12 kits with a bunch of parts to assemble. Project themes include electricity, chemical reaction, circuits, color mixing, radio frequency, vortex, sound, and more. The app is entirely free of ads and in-app purchases, so just hand your iPad off and let your child explore.

Piiig Labs: Science Experiments for Kids in Primary School! is available for free for a limited time. It has a 4.5-star rating with a total of 75 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.