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Simplex Spelling is one of the best ways to improve English spelling and reading skills. Using a powerful combination of phonics lessons, spelling/word patterns, syllabication, our unique “reverse phonics” (phonics encoding) approach and contextually relevant spelling rules.

Scientifically validated as a highly effective approach to improving spelling skills, a published study revealed that students demonstrated an average spelling improvement of 1.9 grades among children in a classroom setting who regularly used Simplex Spelling over a 18 week period. The largest student improvement observed over the same time period was 4.4 grade levels as assessed by administering the Schonell Spelling Test.

Teaching over a year of spelling curriculum with more than 750 high frequency words divided into 52 lists that are organized by spelling patterns and difficulty levels. Each of the 52 lists comes with a lesson that teaches one of the basic building blocks of spelling in the English language.

Students learn a new concept for each lesson building on the skills learned from previous lessons and those covered in Simplex Spelling Phonics 1 & 2. Simplex Spelling Phonics Advanced Phonograms guides the student and acts as a personal spelling coach with every word, while teaching students "how to spell" English words. Every word is broken down into its syllables both visually and auditorily to help students build phonological awareness skills. Our “reverse phonics” hint feature breaks each word down further into individual phonemes to improve phonemic awareness, a critical skill in achieving literacy.

Simplex Spelling Advanced Phonograms focuses on some of the more difficult phonograms in the English language in addition to lessons covering contractions and the capitalization of proper nouns.

Recommended age 9+

Note: You can not create your own spelling lists.


- Over 750 high frequency spelling words to help build literacy.
- Words are spoken and used in a sentence to establish context and improve vocabulary. 

- Introductory spelling list seamlessly leads a student through all of the application’s features.

- 52 instructional lessons teach phonics, phonograms, spelling rules, contractions and the capitalization of proper nouns.

- A full “reverse phonics” approach that builds phonemic awareness.
- Contextually relevant spelling rule hints that help explain “how to spell” English words.

- Letter by letter feedback system provides feedback while the student is in the process of spelling each word. 

- Support for 40 user accounts. 

- Remembers each user’s progress in every list.

- User stats screen track progress with every word.
- Export and email progress reports.
- Ability to set the number of times a word must be spelled correctly to become mastered. 

- Supports upper and lower case letters.

- Supports alphabetic and QWERTY keyboard layouts.

- Supports US, UK and Canadian English spelling of words.

Please check the word lists provided on to ensure that the word lists provided in Simplex Spelling meet your educational needs.

- Advanced Phonograms has previously been featured by Apple as New & Noteworthy in 20 countries.
- "Best Educational App of 2014" - Balefire Labs.
-iTeach: Apps For The Classroom - "I was immediately in awe of the design and educational thought that has gone into this product."
-Teachers With Apps - Certified Developer
- Academics' Choice Award.

Privacy Disclosure:

- Does not contain 3rd party ads 

- Does not share any data 

- Does not contain In-App purchases

- Does not link to social media 

- Contains child protected links in app to view a safe enclosed version of the developer's website for additional information, support and teaching tips.
- Contains child protected link to developer email support and to rate the app.

COPPA Compliant

What’s New

Version 3.6.0

Updated for iOS 13.1
Fixed screen layout issues on some newer iPhone models running iOS 13.1.

Ratings and Reviews

4.0 out of 5
4 Ratings

4 Ratings

Reading Buddies ,

Highly recommended

Simplex Spelling-Advanced Phonograms is a beautifully designed educational app, which will help upper elementary students learn advanced phonics skills, such as syllable rules, contractions and vowel combinations. There are many ways to customize the lessons for multiple users. You can set the volume level, choose American or British spellings, upper or lower case letters, and a qwerty or alphabetical keyboard. Each lesson contains explanations and helpful phonics hints so that children will be successful. Detailed reports show the number of correct attempts for each skill.
With 52 lessons, and multiple ways to customize the learning for individual students, Simplex Spelling delivers a very powerful learning tool. Highly recommended for classroom teachers, special educators and parents.

pkelly300 ,

Excellent app

This is a great app with a beautiful design and well thought out format. The user has the option of working through 52 different blends. Within each lesson you are taken through 10 works that are read out loud and then you get to spell out the word. You are given a nice green box for each letter you use correctly, and a red box for each incorrect letter. I found the game to be very fun and was immediately drawn into it. One thing I did notice is that words given were not necessarily common words, which made the app truly advanced. Overall a fantastic app. I would definitely recommend it for anyone looking for more challenging words or format.

ShariMSLP ,

excellent app

Advanced phonics is a very smooth running app that is easy to set up and get a student started with using it. You have the option to customize it for individual students in several different areas. It keeps track of correct and incorrect answers and highlights errors in red so the student knows exactly which part of the word they have made a mistake with. It also allows for hints, repeated sentence cues and finally will give the correct answer if the student can not answer correctly. A very well written app.

App Privacy

The developer, Pyxwise Software Inc., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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