# SpellSmart vs Number Sense Pro

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.

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.

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.

## The numbers

| Metric | SpellSmart | Number Sense Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/spellsmart/id6480376688/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 73 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TheAwesomesome](https://appshunter.io/developer/1561106214) | [Moises Trejo](https://appshunter.io/developer/1713868615) |

## What reviewers say

### SpellSmart

[App page](https://appshunter.io/ios/app/spellsmart/id6480376688)

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

**In-app purchases:** none


### Number Sense Pro

[App page](https://appshunter.io/ios/app/number-sense-pro/id6758364081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*