Today’s apps gone free: Calculator, Commander Compass, Say and Go and more

Calculate like you mean business, always know where you’re headed, and record whatever is on your mind 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.

iPhone:

Stand O’Food® (Full) ($2.99 → Free, 31.0 MB): Don’t play with your food, serve it in Stand O’Food. Fans of games like Supermarket Mania will thoroughly enjoy this time management game.

Stand O’Food is the quintessential time management game. You’re required to feed a variety of hungry patrons before they get up from their tables in pure rage. It may sound easy, but you will be tasked with making more than 80 different types of scrumptious sandwiches across 100 levels.

Stand O’Food® (Full) is available for free for a limited time. It has a 3.5-star rating with a total of 3147 ratings.

Say&Go Memo Recorder – quick voice notes with reminders and instant sharing ($1.99 → Free, 7.6 MB): Say whatever is on your mind and get right back to what you were doing with this note taking app. It’s ideal for those who need to record lots of notes.

Say and Go will begin recording audio the moment you launch it and continue until time runs out. You’re able to adjust the time limit — between four and 75 seconds — to better suit your needs. You’re also able to attach quick reminders and regular reminders to audio recordings. Recordings can be shared via Dropbox, Evernote, and email. You’re also able to record and manage notes via Apple Watch.

Say&Go Memo Recorder – quick voice notes with reminders and instant sharing is available for free for a limited time. It has a 4.5-star rating with a total of 44 ratings.

Universal:

Commander Compass ($3.99 → Free, 11.7 MB): An all-in-one navigational toolkit. Commander Compass is essential for adventurers.

Whether you’re a hiker or an off-roader, Commander Compass will help you feel in control. It has every navigation tool you could ever ask for crammed into one neat little package. Commander Compass includes a map, gyrocompass, tactical GPS receiver, speedometer, altimeter, waypoint tracker, gyro horizon, coordinate converter, and a sun, moon, and star finder.

Commander Compass is available for free for a limited time. It has a 3.5-star rating with a total of 468 ratings.

Chain3D ($0.99 → Free, 10.6 MB): Spin a 3-D cube to create matches of three or more blocks in Chain3D. It’s for fans of matching puzzle games.

Just tap on an open space on the cube to create a match. Even if you can’t create a match, you still have to place your chosen block somewhere on the cube. Since the cube builds up from the inside out, you can sever entire chunks by matching blocks that are hanging on by a thread. The game includes four difficulty levels, and leaderboards via Game Center.

Chain3D is available for free for a limited time. It has a 4-star rating with a total of 125 ratings.

Calculator + ($9.99 → Free, 5.6 MB): Calculator+ is the all-in-one calculator app you’ve been looking for. It’s perfect for everything from basic everyday calculations to complicated problems.

Today only: Unlock every last feature and theme free of charge! All you have to do is launch the app. Seriously, that’s it. If you’d like, you can tweet to share this awesome deal with family and friends from the launch screen. This deal is only available to new users.

This is the last calculator app you’ll ever need to download. It includes a scientific calculator, linear equations solver, graphing calculator, polynomial calculator, and handwriting calculator. The handwriting calculator is one of the most accurate we’ve ever used thanks to the ability to add custom shapes. No matter which calculator you choose, you’ll always be able to view your equation and the result at the same time. Calculator+ can be added to the Today view as a widget, and you’re able to calculate on your wrist thanks to Apple Watch support. The app also supports a variety of scientific functions and advanced editing, and includes a large selection of themes to choose from.

Calculator + is available for free today only (10/20). It has a 3.5-star rating with a total of 8102 ratings.

Equalizer PRO – volume booster, great sound effects and visualizer for music fans ($2.99 → Free, 19.0 MB): Improve the sound of your favorite songs and albums with Equalizer Pro. It’s perfect for anyone who wants more control over the way their music sounds.

We really like Equalizer Pro because it’s so easy to get great results. If you like to fiddle around with your sound, you can manually adjust the equalizer bars. If you just want to hear your music in its best possible form, choose from the 23 professional effects. While your music is playing you can activate one of the 10 visualizers and watch as they react in real-time. The app also includes the ability to adjust the equalizer quality and output gain.

Equalizer PRO – volume booster, great sound effects and visualizer for music fans is available for free for a limited time. It has a 4-star rating with a total of 443 ratings.

Music Healing ($0.99 → Free, 228.2 MB): Relax to the sound of music with this health app. Whether you need help relieving stress, focusing, or falling asleep, Music Healing will help you get the job done.

Music Healing includes 23 high quality and highly soothing musical pieces to choose from. You’re able to mix in sounds of the beach or a snow storm as well and adjust their intensity. The app now includes the ability to play a video beach scene, or you can allow it to simply present you with beautiful scenery.

Music Healing is available for free for a limited time. It has a 3.5-star rating with a total of 9 ratings.

iPad:

Stand O’Food® HD (Full) ($4.99 → Free, 33.3 MB): Don’t play with your food, serve it in Stand O’Food HD. Fans of games like Supermarket Mania will thoroughly enjoy this time management game.

Stand O’Food HD is the quintessential time management game. You’re required to feed a variety of hungry patrons before they get up from their tables in pure rage. It may sound easy, but you will be tasked with making more than 80 different types of scrumptious sandwiches across 100 levels.

Stand O’Food® HD (Full) is available for free for a limited time. It has a 4.5-star rating with a total of 1919 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.