# Simplex Spelling Phonics CVC vs Physics Playground App

The clearest difference is price: Physics Playground App at Free against Simplex Spelling Phonics CVC's $4.99. Physics Playground App also leads on update cadence (every 3 weeks vs every 13 months). Simplex Spelling Phonics CVC's advantage is rating (3.7 vs 3.0) and ratings volume (9 vs 1). On ads, in-app purchases and device support there is nothing between them.

Physics Playground App is free to download; Simplex Spelling Phonics CVC costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simplex Spelling Phonics CVC holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: Simplex Spelling Phonics CVC has 9 ratings behind it against 1, so its average is the more settled of the two.

Simplex Spelling Phonics CVC ships an update every 13 months, Physics Playground App every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simplex Spelling Phonics CVC | Physics Playground App |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.7 (9 ratings)](https://appshunter.io/ios/app/simplex-spelling-phonics-cvc/id580762950/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/physics-playground-app/id6773154302/reviews) |
| Number of ratings | **9** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 106 MB | 24 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [AJA Digital LLC](https://appshunter.io/developer/1329243304) |

## What reviewers say

### Simplex Spelling Phonics CVC

[App page](https://appshunter.io/ios/app/simplex-spelling-phonics-cvc/id580762950)

This app teaches foundational reading skills for young learners, focusing on rhyming, segmenting, and blending CVC words. It uses a unique "reverse phonics" approach with interactive feedback to build phonemic awareness and improve spelling and reading.

**Highlights:** Teaches CVC words and short vowel sounds, Interactive "reverse phonics" approach, Phonics hint feature for blending, Spelling rule hints, Letter-by-letter feedback, Supports up to 40 user accounts, Progress reports and user stats

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Playground App

[App page](https://appshunter.io/ios/app/physics-playground-app/id6773154302)

Explore the universe of physics and math through interactive simulations and real-time equation adjustments. Learn concepts from basic counting to advanced theories with hands-on playgrounds and mini-games that earn you badges. Designed for all levels of understanding, from children to PhDs.

**Highlights:** Interactive physics and math playgrounds, Real-time equation adjustments, Adjustable difficulty slider (Child to PhD), Mini-games with badge rewards, Concept map for interconnected ideas, Offline-first functionality, No ads or accounts required

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

**In-app purchases:** none


## Frequently asked questions

### Is Simplex Spelling Phonics CVC free?

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

### Is Physics Playground App free?

Physics Playground App is free to download, with no in-app purchases.

### Which has better reviews, Simplex Spelling Phonics CVC or Physics Playground App?

Simplex Spelling Phonics CVC is rated higher. Simplex Spelling Phonics CVC averages 3.7 out of 5 from 9 ratings, while Physics Playground App averages 3.0 from 1 ratings.

### Do Simplex Spelling Phonics CVC or Physics Playground App have ads?

Neither Simplex Spelling Phonics CVC nor Physics Playground App shows ads.

### Which is updated more often, Simplex Spelling Phonics CVC or Physics Playground App?

Simplex Spelling Phonics CVC ships an update every 13 months, and Physics Playground App every 3 weeks. Most recently, Simplex Spelling Phonics CVC was updated on November 6, 2026 and Physics Playground App 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.*