# SpellSmart vs Number Ninja Jr

The clearest difference is update cadence: Number Ninja Jr at every 11 days against SpellSmart's every 4 months. SpellSmart's advantage is ratings volume (6 vs 1) and iOS requirement (16.0 vs 18.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SpellSmart against 5.0 for Number Ninja Jr. That said, the two scores are not equally well evidenced: SpellSmart has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

SpellSmart ships an update every 4 months, Number Ninja Jr every 11 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SpellSmart | Number Ninja Jr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/spellsmart/id6480376688/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/number-ninja-jr/id6759559391/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 73 MB | 4 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TheAwesomesome](https://appshunter.io/developer/1561106214) | [RAGHAVENDRA HEGDE](https://appshunter.io/developer/1879502432) |

## 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 Ninja Jr

[App page](https://appshunter.io/ios/app/number-ninja-jr/id6759559391)

This app offers engaging math challenges for children, focusing on addition, subtraction, and multiplication. It allows parents to monitor their child's learning progress and homework status.

**Highlights:** Addition, subtraction, multiplication challenges, Fun and colorful interface, Progress tracking for parents, Homework completion monitoring, Suitable for young learners

**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 Ninja Jr free?

Number Ninja Jr is free to download, with no in-app purchases.

### Which has better reviews, SpellSmart or Number Ninja Jr?

SpellSmart and Number Ninja Jr are both rated 5.0 out of 5 on the App Store, from 6 and 1 ratings respectively.

### Do SpellSmart or Number Ninja Jr have ads?

Neither SpellSmart nor Number Ninja Jr shows ads.

### Which is updated more often, SpellSmart or Number Ninja Jr?

SpellSmart ships an update every 4 months, and Number Ninja Jr every 11 days. Most recently, SpellSmart was updated on November 4, 2026 and Number Ninja Jr on October 31, 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.*