Comparison

SpellSmart vs Number Sense Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SpellSmart

Practice spelling with interactive modes, including solo and buddy challenges. Upload your own words or use the provided lists to prepare for spelling bees and improve vocabulary. Designed to help students, especially those facing language challenges, build confidence.

Highlights
  • Interactive spelling practice
  • Solo and Buddy modes
  • Upload custom word lists
  • Bookmark words for review
  • Pronunciation audio
  • Progress tracking
Read full description

SpellSmart allows students to practice spelling in a fun, interactive way! If you're preparing for a spelling bee, you can upload your own words, or you can practice the ones we have. Solo Mode: In Solo Mode, the app will read you words out loud, you'll type in your spelling, and we'll let you know if you're correct. Buddy Mode: In Buddy Mode, you'll get a friend to hold the phone so that it's facing away from you. The app will read the words aloud, you can spell it out loud, and your buddy can check if you're correct. You can also bookmark any words you want to come back to, and we'll make a list of all your bookmarked words so you can practice them. In 8th grade, I was preparing for the Scripps National Spelling Bee, one of the most prestigious spelling competitions in the US. However, since this was my first year competing, I had one minor issue - how am I supposed to practice? Most of the online guides I read told me that I should practice writing words on paper, but that approach wasn't very effective for me. I quickly realized that I needed someone to practice with me - someone like my mother, who was willing to help me for hours on end if necessary. Unfortunately, as an immigrant who spoke English as a second language, she couldn't correctly pronounce the complex words that even native speakers would struggle with. That's why I created SpellSmart, an effective way for any student to practice their vocabulary and get better at spelling. SpellSmart not only provides a solution to my personal problem but also aims to address a broader social issue. By enabling minority students to practice their vocabulary and spelling skills, the app could become a valuable resource for immigrant families across the country facing similar language challenges. Now, parents and guardians can assist their children in honing their spelling abilities with just a touch of a button, fostering a supportive learning environment at home. SpellSmart's impact resonates beyond individual achievements, promoting a sense of community and understanding among diverse learners.

About

Number Sense Pro

Features
Read full description

Number Sense Pro helps students master UIL Number Sense with fast, focused practice sets and a clean timer-based experience. Generate practice sets instantly Choose how many questions you want Select difficulty (Easy / Medium / Hard) Pick problem categories (all enabled by default) Optional UIL-style sequencing for realistic drills Practice like a real contest 10-minute timer option Enter answers quickly and reveal solutions when ready Distraction-free interface built for speed and accuracy Track improvement Save previous sets Review missed problems Build consistency over time Perfect for: UIL Number Sense competitors Middle and high school students Coaches running daily drills Anyone sharpening mental math speed No accounts. No ads. Fully offline.

Screenshots

SpellSmart4 screens
Number Sense Pro4 screens

Verdict

The call

The clearest difference is price: SpellSmart at Free against Number Sense Pro's $0.99. SpellSmart also leads on iOS requirement (16.0 vs 18.0). Number Sense Pro's advantage is update cadence (every 10 days vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

SpellSmart is free to download; Number Sense Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SpellSmart ships an update every 4 months, Number Sense Pro every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
SpellSmart versus Number Sense Pro: the parameters behind the verdict, then further details
ParameterSpellSmartNumber Sense Pro
PriceFree — better$0.99
Rating5.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size73 MB2 MB
Age rating4+4+
DeveloperTheAwesomesomeMoises Trejo

In-app purchases

None

SpellSmart

No in-app purchases

None

Number Sense Pro

No in-app purchases

Questions

Is SpellSmart free?
SpellSmart is free to download, with no in-app purchases.
Is Number Sense Pro free?
Number Sense Pro costs $0.99, with no in-app purchases.
Do SpellSmart or Number Sense Pro have ads?
Neither SpellSmart nor Number Sense Pro shows ads.
Which is updated more often, SpellSmart or Number Sense Pro?
SpellSmart ships an update every 4 months, and Number Sense Pro every 10 days. Most recently, SpellSmart was updated on October 24, 2026 and Number Sense Pro on October 25, 2026.

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