# Simplex Spelling HD vs Phonology

The clearest difference is review sentiment: Simplex Spelling HD at 90% against Phonology's 0%. Simplex Spelling HD also leads on update cadence (every 3 months vs every 10 months) and price ($4.99 vs $5.99). Phonology's advantage is iOS requirement (9.0 vs 15.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

Simplex Spelling HD costs $4.99 and Phonology $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Simplex Spelling HD ships an update every 3 months, Phonology every 10 months. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Simplex Spelling HD | Phonology |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/simplex-spelling-hd/id456744012/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **90.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Paid | Paid |
| Size | 134 MB | 49 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [Learning Fundamentals, Inc.](https://appshunter.io/developer/454061076) |

## What reviewers say

### Simplex Spelling HD

[App page](https://appshunter.io/ios/app/simplex-spelling-hd/id456744012)

This app enhances English spelling and reading skills using a unique "reverse phonics" approach and contextually relevant spelling rules. It acts as a personal spelling coach, teaching foundational Dolch sight words through interactive word building and immediate feedback.

**Highlights:** Teaches Dolch Sight words, Reverse phonics approach, Contextual spelling rules, Interactive word building, Phonics hint feature, Letter-by-letter feedback, Multiple user accounts

**Features:** macOS Compatibility

**In-app purchases:** none


### Phonology

[App page](https://appshunter.io/ios/app/phonology/id520865935)

This app provides speech therapy exercises for children aged 3-5 with unintelligible speech. It uses auditory discrimination activities and colorful visuals to help children distinguish and produce sounds, based on the Hodson model of Phonological Processing.

**Highlights:** Auditory discrimination activities, Speech intelligibility practice, Colorful drawings, Hodson model based, Speech model imitation, Record and playback feature, Multiple scoring methods

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

**In-app purchases:** none


## Frequently asked questions

### Is Simplex Spelling HD free?

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

### Is Phonology free?

Phonology costs $5.99, with no in-app purchases.

### Do Simplex Spelling HD or Phonology have ads?

Neither Simplex Spelling HD nor Phonology shows ads.

### Which is updated more often, Simplex Spelling HD or Phonology?

Simplex Spelling HD ships an update every 3 months, and Phonology every 10 months. Most recently, Simplex Spelling HD was updated on October 13, 2026 and Phonology 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.*