# Reading Speed/Fluency Builder vs Split Words

The clearest difference is price: Reading Speed/Fluency Builder at Free against Split Words's $3.99. Reading Speed/Fluency Builder also leads on update cadence (every 4 months vs every 35 months). Split Words's advantage is in-app purchases (none vs 3) and iOS requirement (10.2 vs 12.2). On ads and device support there is nothing between them.

Reading Speed/Fluency Builder is free to download; Split Words costs $3.99 up front. Reading Speed/Fluency Builder sells 3 one-off in-app purchases. Split Words asks for nothing beyond the download.

Reading Speed/Fluency Builder ships an update every 4 months, Split Words every 35 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder | Split Words |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[2.3 (7 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080258925/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 35 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 9 MB |
| Requires iOS | 12.2 | **10.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Starbound Logic LLC](https://appshunter.io/developer/1689922517) |

## What reviewers say

### Reading Speed/Fluency Builder

[App page](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080258925)

This app helps children improve their reading speed and fluency through a game-like environment. It offers graduated practice, audio support, and motivational rewards to build confidence and comprehension skills for young learners.

**Highlights:** Graduated reading practice, Mastery-based progression, Multiple texts per level, Progress reporting, Audio support for fluent reading, Fun reward system, Incremental reading levels

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Up to 2 Users | $1.99 | one-time |
| Access All Levels | $2.99 | one-time |
| Add up to 10 Users | $2.99 | one-time |


### Split Words

[App page](https://appshunter.io/ios/app/split-words/id1281201313)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reading Speed/Fluency Builder free?

Reading Speed/Fluency Builder is free to download, with in-app purchases available.

### Is Split Words free?

Split Words costs $3.99, with no in-app purchases.

### Do Reading Speed/Fluency Builder or Split Words have ads?

Neither Reading Speed/Fluency Builder nor Split Words shows ads.

### Which is updated more often, Reading Speed/Fluency Builder or Split Words?

Reading Speed/Fluency Builder ships an update every 4 months, and Split Words every 35 months. Most recently, Reading Speed/Fluency Builder was updated on October 6, 2026 and Split Words on October 7, 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.*