# Reading Speed/Fluency Builder. vs ABC

The clearest difference is price: ABC at Free against Reading Speed/Fluency Builder.'s $8.99. ABC also leads on update cadence (every 6 weeks vs every 4 months). Reading Speed/Fluency Builder.'s advantage is in-app purchases (none vs 1) and iOS requirement (12.2 vs 17.6). On ads and device support there is nothing between them.

ABC is free to download; Reading Speed/Fluency Builder. costs $8.99 up front. ABC sells 1 in-app purchase, starting at $29.99 per year. Reading Speed/Fluency Builder. asks for nothing beyond the download.

Reading Speed/Fluency Builder. ships an update every 4 months, ABC every 6 weeks. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder. | ABC |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080259481/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 39 MB | 25 MB |
| Requires iOS | **12.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [SYNAPPS AI LTD](https://appshunter.io/developer/1839176304) |

## What reviewers say

### 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


### ABC

[App page](https://appshunter.io/ios/app/abc-kids-learning-games/id6781727535)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ABC: Kids Game Yearly Unlimited | $29.99 | per year |


## Frequently asked questions

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

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

### Is ABC free?

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

### Do Reading Speed/Fluency Builder. or ABC have ads?

Neither Reading Speed/Fluency Builder. nor ABC shows ads.

### Which is updated more often, Reading Speed/Fluency Builder. or ABC?

Reading Speed/Fluency Builder. ships an update every 4 months, and ABC every 6 weeks. Most recently, Reading Speed/Fluency Builder. was updated on November 13, 2026 and ABC on November 10, 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.*