# Simplex Spelling HD vs Dalza

The clearest difference is price: Dalza at Free against Simplex Spelling HD's $4.99. Dalza also leads on update cadence (monthly vs every 3 months). Simplex Spelling HD's advantage is in-app purchases (none vs 10) and chart position (#181 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Dalza is free to download; Simplex Spelling HD costs $4.99 up front. Dalza sells 10 in-app purchases, starting at $18.00 per month. Simplex Spelling HD asks for nothing beyond the download.

Simplex Spelling HD ships an update every 3 months, Dalza monthly. The most recent releases landed on October 22, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Simplex Spelling HD | Dalza |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| 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 | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Paid | — |
| Best chart rank | **#181** | — |
| Size | 134 MB | 51 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [Just Fair Terms, Unipessoal Lda](https://appshunter.io/developer/1709622604) |

## What reviewers say

### Simplex Spelling HD

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

**Currently charting:** #181 Top Paid · Education (US App Store)

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


### Dalza

[App page](https://appshunter.io/ios/app/dalza/id6468228830)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly for 2nd child | $18.00 | per month |
| Monthly for 3rd child | $18.00 | per month |
| Monthly for 4th child | $18.00 | per month |
| Monthly for 5th child | $18.00 | per month |
| Monthly for 6th child | $18.00 | per month |
| Yearly for 2nd child | $199.00 | per year |
| Yearly for 3rd child | $199.00 | per year |
| Yearly for 5th child | $199.00 | per year |
| Yearly for 6th child | $199.00 | per year |
| Yearly for 4th child | $199.00 | per year |


## Frequently asked questions

### Is Simplex Spelling HD free?

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

### Is Dalza free?

Dalza is free to download, with in-app purchases available.

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

Neither Simplex Spelling HD nor Dalza shows ads.

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

Simplex Spelling HD ships an update every 3 months, and Dalza monthly. Most recently, Simplex Spelling HD was updated on October 22, 2026 and Dalza on October 12, 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.*