# Simplex Spelling Phonics 3 vs Reading Speed/Fluency Builder.

The clearest difference is rating: Reading Speed/Fluency Builder. at 5.0 against Simplex Spelling Phonics 3's 4.2. Reading Speed/Fluency Builder. also leads on update cadence (every 4 months vs every 13 months) and iOS requirement (12.2 vs 14.0). Simplex Spelling Phonics 3's advantage is price ($4.99 vs $8.99) and review sentiment (92% vs 75%). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Simplex Spelling Phonics 3 costs $4.99 and Reading Speed/Fluency Builder. $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Reading Speed/Fluency Builder. holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews complicate that: 92% of Simplex Spelling Phonics 3's written reviews are positive against 75% of Reading Speed/Fluency Builder.'s, so the app with the better star average is not the one people write more warmly about.

Simplex Spelling Phonics 3 ships an update every 13 months, Reading Speed/Fluency Builder. every 4 months. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Simplex Spelling Phonics 3 | Reading Speed/Fluency Builder. |
| --- | --- | --- |
| Price | **$4.99** | $8.99 |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/simplex-spelling-phonics-3/id572136313/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080259481/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | **92.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 230 MB | 39 MB |
| Requires iOS | 14.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pyxwise Software Inc.](https://appshunter.io/developer/456744015) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Simplex Spelling Phonics 3

[App page](https://appshunter.io/ios/app/simplex-spelling-phonics-3/id572136313)

This app enhances English spelling and reading skills through phonics lessons, word patterns, and a unique reverse phonics approach. It scientifically helps students improve their spelling, covering over 750 high-frequency words and 52 instructional lists.

**Highlights:** Phonics lessons and word patterns, Reverse phonics approach, 750+ high-frequency words, 52 instructional lessons, Contextual spelling rule hints, Progress tracking for 40 users, Exportable progress reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Reading Speed/Fluency Builder.

[App page](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080259481)

This app helps children and adults improve reading speed and fluency through a game-like environment. It offers graduated practice, audio support, and a reward system to motivate learners. Designed for various needs, it progresses users from early elementary to fifth-grade reading levels.

**Highlights:** Graduated reading practice, Mastery-based progression, Audio support for fluent reading, 'At a glance' progress reporting, Fun Reward Center, Supports multiple reading levels

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simplex Spelling Phonics 3 free?

Simplex Spelling Phonics 3 costs $4.99, with no in-app purchases.

### Is Reading Speed/Fluency Builder. free?

Reading Speed/Fluency Builder. costs $8.99, with no in-app purchases.

### Which has better reviews, Simplex Spelling Phonics 3 or Reading Speed/Fluency Builder.?

Reading Speed/Fluency Builder. is rated higher. Simplex Spelling Phonics 3 averages 4.2 out of 5 from 5 ratings, while Reading Speed/Fluency Builder. averages 5.0 from 3 ratings.

### Do Simplex Spelling Phonics 3 or Reading Speed/Fluency Builder. have ads?

Neither Simplex Spelling Phonics 3 nor Reading Speed/Fluency Builder. shows ads.

### Which is updated more often, Simplex Spelling Phonics 3 or Reading Speed/Fluency Builder.?

Simplex Spelling Phonics 3 ships an update every 13 months, and Reading Speed/Fluency Builder. every 4 months. Most recently, Simplex Spelling Phonics 3 was updated on October 13, 2026 and Reading Speed/Fluency Builder. on October 6, 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.*