Welcome to our third installment this week of paid iPhone and iPad apps on sale for free, and you’re in for a great one today. Yesterday’s list had eight solid freebies on it, and some of them can still be downloaded for free if you hurry. Today, we’re back with our biggest list of the week, featuring 10 premium iOS apps that are all on sale for free today.

DON’T MISS: Hands-on: The sleek aluminum iPhone 6 and 6s bumper we deserve is finally (almost) a reality

These are paid iPhone and iPad apps that have been made available for free for a limited time by their developers. There is no way to tell how long they will be free. These sales could end an hour from now or a week from now — obviously, the only thing we can guarantee is that they were free at the time this post was written. If you click on a link and see a price listed next to an app instead of the word “get,” it is no longer free. The sale has ended. If you download the app, you will be charged.

Papers 3

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Normally $9.99.

Papers is your personal library of research on the go. Find, read, organize, share and sync your research papers – anytime, anywhere!

• Revolutionize how you collect, organize, and read documents.
• Search simultaneously from 20+ repositories, including PubMed, Scholar and ArXiv.
• When you import papers into your library, Papers lets you organize them in collections and read, annotate and freehand draw them in glorious full screen.
• Import Word, PowerPoint, and other document files to your library and organize them just as easy as your PDFs.
• Automatically find and download the PDF for references you import from search engines, when the full-text is available!
• Papers now also optionally lets you store and synchronize your library on Dropbox to your Mac, PC and iOS devices.
• Create shared collections and add content to your Reading list, also accessible via your web browser.

Papers is a full workflow solution designed to make sure you spend time on what’s important: your research.

Download Papers 3

Windy

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Normally $0.99.

***OVER 114,000 DOWNLOADS***
***Works best on iPhone 5, 5s, 6, 6 Plus, 6s, 6s Plus, and iPad 2 and above***

Windy turns your iPhone into a fully interactive musical instrument! Choose from four different sounds including:

– Blustery Bottle
– Wild Woodwind
– Fresh Flute
– Squally Sax

To play, hold down the keys on the screen and blow into the microphone at the same time. It’s that easy!

– TILT your iPhone to the left to play flat notes!
– TILT your iPhone to the right to play sharp notes!
– TILT your iPhone up and down to play across three successive octaves!

Enjoy!

Download Windy

Speech Recogniser

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Normally $8.99.

With this revolutionary app, you won’t need to type anything any more. You just speak and your speech is instantly converted into text.

:: MAIN FEATURES ::

This brilliant speech-to-text app will allow you to do more with your iPhone :

• Post status updates on Facebook.
• Tweet.
• Translate your speech into more than 40 languages.
• Copy your text to other apps.
• Hear your translation being read aloud to you.

:: SUPPORTED LANGUAGES ::

العربية, English (Australia), English (UK), English (US), Español (España), Español (México), Bahasa indonesia, Bahasa melayu, čeština, Dansk, Deutsch, français (Canada), français (France), italiano, Magyar, Nederlands, Norsk, Polski, Português, Português brasileiro, Pyccĸий, Română, suomi, Svenska, Tϋrkçe, Ελληνικά, 한국어, 中文(中国), 中文(臺灣), 廣東話, 日本語.

Speech Recogniser uses the latest technologies in speech recognition and machine translation. As a result, the app requires an Internet connection.

Speech Recogniser will definitely make your life easier. GET YOUR COPY NOW.

Download Speech Recogniser

Planetary Clock

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Normally $0.99.

Planetary Clock is simple and elegant app what shows positions of all planets of the Solar System and Earth’s Moon at any given day. The app uses precise calculation to determine accurate positions in real time. Planets’ and orbits’ sizes are not to scale in order to show them clearly, but other parameters such as eccenricity, shape of the orbit and position of planets are calculated using presice NASA data.

Download Planetary Clock

Creative Writer

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Normally $1.99.

Creative Writer is an excellent tool for writing. Helpful to both curious and pro writers, this app delivers language expressions for your writing sessions: sentences, verses and rhymes. Learned from the greatest literature: best-selling novels, classics, poetry, plays, movie scripts, TV-series and lyrics, Creative Writer is an amazing resource of writing ideas.

Easy to learn. Simple to use. No typing — simply follow your intuition by tapping on the stream of suggested words.

Creative Writer helps you …
• Write fascinating stories very quickly.
• Write brilliant messages in seconds.
• Write dialogues, verses and lyrics.
• Break through the writer’s block.
• Learn how words go together.
• Find the right words to say.
• Find the right voice for your story.
• Record a stream of consciousness.
• Have fun, explore an endless stream of words.

Includes a notepad where you can write your story or collect interesting sentences for your writing, edit them and share them.

Includes a system level keyboard that works with any social messaging app.

Includes a talking robot that writes and talks by itself.

Writing Styles, ready for you to engage are:
– Fiction.
– Poetry.
– Classics.
– Emotional.
– You & me.
– Dialogues.
– Love.
– Quotes.
– Cooking.

Download Creative Writer

Simple Zazen Timer

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Normally $1.99.

“In a world of increasing complexity, simple is beautiful. With an elegant design and minimal user interface, this app captures just what meditation is about: calm, peace, and self-awareness. Recommended for daily practice, or as a gentle reminder for any timed period of activity or rest, Simple Zazen Timer was a pleasure to find.”

Download Simple Zazen Timer

Delays Airports

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Normally $1.99.

The “Delays Airports” iOS application allows you to see the delays at world airports, we use professional aviation information from airports weather stations for calculate delays. You can save a list of airports that you frequently go to and check for reported delays at a glance.

Features:

– User friendly interface make app to easy for use
– You can search airport use the city name, or ITA/ICAO airport code
– Application used you location can show all near airports at map
– Show your local time and current time at airport
– Full description about airport ( city, country, airport code, current time ) 
- Support all iOS devices at one app
– Use your Twitter to share Delays Airports info from application
– Use settings menu for set your preferences
– Internet connection is required to access the information

Download Delays Airports

3D Earth

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Normally $1.99.

Meet 3D Earth. The most wonderful app. Ever.
A clock and weather app unlike any you’ve ever seen.

3D Earth presents a stunning live 3D simulation of our planet with weather, forecasts and world clock for cities around the world.
Gaze at our planet floating amongst a universe of thousands of accurately rendered stars and gain a completely new perspective on time and weather.

The current weather data is gathered from thousands of professionally installed and maintained weather stations installed mostly at airports. 3D Earth only shows current weather from stations that have reported local weather conditions within the past hour. Current weather data is refreshed every 30 minutes; that is twice as frequent as most other weather providers can offer. Unique 48-hour forecasts from over 80,000 locations around the world provide a level of coverage and detail that simply cannot be found elsewhere.

Current weather information includes: description, air temperature, wind direction and force, humidity, dew point, pressure, visibility, as well as comfort index with reference to current weather conditions.
Detailed weather forecast information includes: description, day and night air temperature, wind direction and force, humidity, UV index, probability of precipitation, and comfort index with reference to current weather conditions.

FEATURES:
● Weather maps of temperature, humidity, wind, pressure and forecasts.
● World clock, weather and extended forecast for millions of cities around the world with 15 day and 3-hours forecasts..
● Notification Center Widget provides quick access to weather essentials (requires iOS8).
● Home Screen temperature icon. The current temperature for your location can be displayed on your Home Screen icon.
● Sunrise and Sunset times.
● iCloud city syncing

UNIVERSAL APPLICATION
One purchase for all devices – iPhone, iPad and iPod Touch

Download 3D Earth

Music Pro

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Normally $2.99.

Search for your favorite music and listen to/stream them right on your iPhone/iPod and iPad.

The app is the portal to millions of free songs, DJ sets, remixes and live concerts.

Key Features:

√ Fully support for iOS8, iPhone 6 & 6 plus!
√ Single tap music streaming
√ Listen songs before adding
√ Accurate search results for artist, DJ, songs, remix or cover
√ Sort by artist, track name, date, duration
√ iPod-Like music playlists
√ Full featured media player with timer and fine scrubbing
√ Album covers
√ Equalizer with BassBooster
√ Lock screen playback controls
√ Background music playback

And many more…

Download Music Pro

Chaos Control

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Normally $0.99.

Chaos Control is a task manager based on the best principles of GTD (Getting Things Done) methodology created by David Allen. This goal-driven to-do list has been developed primarily with entrepreneurs, startup founders, and creative professionals in mind. It’s designed for busy people who have a lot on their plates.

Whether you are running a business, launching an app, working on a project or simply planning your holiday trip, Chaos Control is a perfect tool to manage your goals, juggle your priorities, and organise your tasks to get things done.

Chaos Control is all about nailing your tasks efficiently. Whether you’re launching a startup or simply creating a grocery list, you will be delighted how easy it is to achieve those goals with Chaos Control. And the best part is, you can handle both heavyweight project planning and simple daily routine like shopping list management in one flexible app. And that app is available across all major mobile and desktop platforms with seamless sync.

HERE IS HOW IT WORKS:

1) DEFINE YOUR GOALS
Success in business, studying, sport and personal life starts with setting goals. Write down your goals and desired outcomes to make them real.

2) PLAN YOUR SUCCESS
Write down tasks and actions needed to achieve your goals in Projects. Each Project is a combination of a goal and a corresponding list of actions.

3) MAKE IT HAPPEN
Use Daily Plan and Contexts in order to sort your tasks by date, place, tools and people. This smart task lists will help you throughout your journey.

4) STAY ON TRACK
Put all the incoming tasks and notes in Chaos Box in order to process them later, after all the important stuff has been done.

The app is designed with creative people in mind. Designers, writers, developers, startup founders, entrepreneurs of all kinds and pretty much anyone with ideas and desire to make them happen. We combined the power of GTD and best practices of task management with convenient UI to provide perfect solution to such tasks as:
■ personal goal setting
■ task management
■ time management
■ planning your business and personal activities
■ building your routine
■ handling simple to do lists, checklists and shopping lists
■ catching your ideas and thoughts to process them later

KEY FEATURES
■ Seamless cloud sync across all major mobile and desktop platforms
■ GTD-inspired Projects and Contexts supplemented with Folders, sub-folders and sub-contexts
■ Recurring tasks (daily, weekly, monthly and chosen days of the week)
■ Cloud data backup
■ Setting a PIN code
■ Export to calendars
■ Chaos Box – Inbox for your unstructured tasks, notes, memos, ideas and thoughts. Great tool for staying on track inspired by GTD ideas
■ Notes for tasks, projects, folders and contexts
■ Flexible reminders
■ Fast and smart search

UNLOCK CHAOS CONTROL PREMIUM FOR $4,99
■ Seamless sync across all your devices running pretty much any major mobile or desktop platform
■ Cloud data backup
■ Recurring tasks for managing activities that happen regularly
■ Nested folders and contexts for better projects and tasks structuring
■ PIN code protection: secure your data with a secure passcode

We tried to make David Allen and fellow GTD addicts proud. Please let us know what you think about the app.

Download Chaos Control

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