# Simplex Spelling Phonics 2 vs Math Invaders Arcade

The clearest difference is price: Math Invaders Arcade at Free against Simplex Spelling Phonics 2's $4.99. Math Invaders Arcade also leads on update cadence (every 4 days vs every 15 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Math Invaders Arcade is free to download; Simplex Spelling Phonics 2 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simplex Spelling Phonics 2 ships an update every 15 months, Math Invaders Arcade every 4 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Simplex Spelling Phonics 2 | Math Invaders Arcade |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.6 (8 ratings)](https://appshunter.io/ios/app/simplex-spelling-phonics-2/id527299540/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 days** |
| Monetization | Paid | — |
| Size | 203 MB | 29 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [MATH APPS](https://appshunter.io/developer/1896134374) |

## What reviewers say

### Simplex Spelling Phonics 2

[App page](https://appshunter.io/ios/app/simplex-spelling-phonics-2/id527299540)

This app scientifically improves spelling and reading skills using phonics, word patterns, and syllabication. It offers over 650 words across 54 lessons, breaking down words into syllables and sounds to build phonemic awareness.

**Highlights:** Scientifically validated approach, Phonics, word patterns, syllabication, Over 650 high-frequency words, 54 instructional lessons, Reverse phonics hint feature, Syllable breakdown (visual & auditory), Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Invaders Arcade

[App page](https://appshunter.io/ios/app/math-invaders-arcade/id6765944549)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simplex Spelling Phonics 2 free?

Simplex Spelling Phonics 2 costs $4.99, with no in-app purchases.

### Is Math Invaders Arcade free?

Math Invaders Arcade is free to download, with no in-app purchases.

### Do Simplex Spelling Phonics 2 or Math Invaders Arcade have ads?

Neither Simplex Spelling Phonics 2 nor Math Invaders Arcade shows ads.

### Which is updated more often, Simplex Spelling Phonics 2 or Math Invaders Arcade?

Simplex Spelling Phonics 2 ships an update every 15 months, and Math Invaders Arcade every 4 days. Most recently, Simplex Spelling Phonics 2 was updated on October 7, 2026 and Math Invaders Arcade on October 1, 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.*