Not all spelling programs are created equal. Here is a research-backed framework for evaluating curriculum options, from traditional word lists to developmental word study to structured literacy, plus 7 digital tools that support each approach.
SJ
SpellingJoy Team
•Last Updated: March 30, 2026
Choosing a spelling curriculum is one of the most debated decisions in elementary education. The three dominant approaches — traditional spelling (memorize a weekly word list, take a Friday test), developmental word study (sort words by pattern at your level), and structured literacy (explicit, systematic phonics and morphology) — each have decades of research behind them, and each has vocal advocates.
The Science of Reading movement has shifted the conversation. Research from Ehri, Moats, and others shows that spelling and reading are reciprocal: children who learn to spell through systematic phonics instruction become stronger readers, and vice versa. This means the best spelling curricula are not standalone workbooks but integrated programs that connect encoding (spelling) to decoding (reading) through explicit instruction in sound-spelling correspondences, syllable patterns, and morphemes.
When evaluating a program, look for five criteria: systematic scope and sequence (patterns taught in a logical order), placement assessment (so students start at the right level), explicit instruction (not just memorization), practice and application (dictation, writing, word sorts), and progress monitoring (regular checks to adjust pacing). Programs that check all five boxes consistently produce the strongest spelling gains in controlled studies.
Popular programs include Words Their Way (developmental word study with word sorts), Fundations (Wilson's structured literacy for K-3), UFLI Foundations (free structured literacy from the University of Florida), and Spelling Connections (Zaner-Bloser's traditional-plus-word-study hybrid). Digital tools like Vocabulary A-Z, Lexia Core5, and SpellingJoy can supplement any of these as practice platforms. The right choice depends on your teaching context, student needs, and whether you need a full curriculum or a practice supplement.
Vocabulary A-Z (formerly VocabularySpellingCity) offers vocabulary and spelling games for K-5 students with classroom management features for teachers. $108/year covers up to 36 students.
Best for - 35+ games with teacher dashboard and custom lists
Price - $108/yr (classroom)
Grades - K-5
Platforms - Web, iOS, Android
Pros
✓ 35+ learning games
✓ Strong classroom integration
✓ Teacher dashboard
Cons
✗ Rebranded from VocabularySpellingCity
✗ Requires annual subscription
✗ Classroom-focused pricing
2
Lexia Core5 Reading
Lexia Core5 is a research-backed adaptive reading program used in 1 in 4 US schools. Strong focus on Science of Reading principles and early literacy intervention.
Best for - Adaptive intervention used in 1 in 4 US schools
Price - School pricing
Grades - Pre-K-5
Platforms - Web, iOS, Android
Pros
✓ Research-backed (Science of Reading)
✓ Adaptive learning paths
✓ Strong for struggling readers
Cons
✗ Primarily sold to schools
✗ Not available for individual purchase
✗ Interface can feel clinical
3
Spelling Shed
Spelling Shed is a UK-based spelling app with gamification features including competitive leagues and rewards. Home subscription $4.99/mo or $29.99/yr for up to 5 students.
Best for - Structured progression with gamified practice
Price - $29.99/yr (home)
Grades - Ages 5-11
Platforms - Web, iOS, Android
Pros
✓ Strong gamification features
✓ Competitive leagues
✓ Cross-platform
Cons
✗ UK curriculum focus
✗ British accent audio
✗ Original app phased out for subscription model
4
Time4Learning
Time4Learning is a comprehensive online homeschool curriculum covering all core subjects for PreK-12. Self-paced multimedia lessons with automated grading. $30/mo for PreK-8, $40/mo for high school.
Best for - Comprehensive reading and spelling for ages 2-13
Price - $70-100/yr
Grades - Ages 2-13
Platforms - All platforms
Pros
✓ Wide age range
✓ Comprehensive program
✓ Includes spelling component
Cons
✗ Expensive
✗ Can be overwhelming
6
Word Wizard
Word Wizard features a talking movable alphabet that helps young children learn phonics and spelling. Award-winning app with 140,000+ copies sold to schools.
Best for - Phonics-based movable alphabet for ages 4-10
Price - $4.99 one-time
Grades - Pre-K-5 (Ages 4-10)
Platforms - iOS, Android, Amazon
Pros
✓ Talking movable alphabet
✓ NYT praised as "Speak N Spell for iPad generation"
✓ Parents Choice Award winner
Cons
✗ Limited to younger ages
✗ Less curriculum alignment
✗ No web version
7
Simplex Spelling
Simplex Spelling uses research-backed methods and is particularly effective for students with learning differences.
Best for - Research-backed methodology for learning differences
Price - $5-15/app
Grades - K-5
Platforms - iOS
Pros
✓ Research-backed methodology
✓ Great for special needs students
✓ One-time purchase
Cons
✗ iOS only
✗ Multiple apps to purchase
✗ No web version
Frequently Asked Questions
A good spelling curriculum is systematic and sequential, teaching patterns in a logical order rather than random word lists. It should be research-backed, include explicit phonics instruction, provide opportunities for both encoding (spelling) and decoding (reading), and offer differentiation for students at different levels. Programs aligned with Science of Reading principles consistently outperform those based on rote memorization alone.
Our Verdict
Vocabulary A-Z (formerly VocabularySpellingCity) is our top pick for teachers who want a digital curriculum tool with 35+ games, custom word lists, and a classroom dashboard. It works well as both a standalone program and a supplement to any paper-based curriculum.
For schools adopting a Science of Reading approach, Lexia Core5 provides research-backed adaptive instruction that integrates spelling with phonics and comprehension. It is the strongest option for intervention and struggling readers, though it requires school-level purchasing.
Homeschool families should look at Time4Learning for a complete curriculum with integrated spelling, or Reading Eggs for a phonics-forward program that covers both reading and spelling. Both provide the structure and pacing that homeschool families need without requiring extensive lesson planning.
The most important takeaway: no single program is best for every student. Research consistently shows that explicit, systematic instruction matters more than which specific program you choose. Pick one that aligns with your approach, assess your students to find their starting level, and supplement with practice tools that keep students engaged.
Need a free practice tool to supplement your spelling curriculum? SpellingJoy offers unlimited spelling games, tests, and 134+ word lists for K-6 students at no cost. Teachers can assign custom word lists from any curriculum and track student progress — all completely free. Try SpellingJoy free today.
The SpellingJoy team is dedicated to creating free, high-quality spelling resources for K-6 students and their families. We test every app we review and provide honest assessments to help parents make informed decisions.
