# Reading Speed/Fluency Builder vs OgStar Reading Explore

The clearest difference is rating: OgStar Reading Explore at 3.1 against Reading Speed/Fluency Builder's 2.3. OgStar Reading Explore also leads on in-app purchases (none vs 3) and review sentiment (40% vs 17%). Reading Speed/Fluency Builder's advantage is device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

Both are free to download. Reading Speed/Fluency Builder sells 3 one-off in-app purchases. OgStar Reading Explore asks for nothing beyond the download.

OgStar Reading Explore holds the better App Store score, 3.1 against 2.3. Both are backed by a comparable volume of ratings — 7 and 14 respectively. Written reviews point the same way: 17% of Reading Speed/Fluency Builder's written reviews are positive against 40% of OgStar Reading Explore's.

Reading Speed/Fluency Builder ships an update every 4 months, OgStar Reading Explore every 4 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder | OgStar Reading Explore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (7 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080258925/reviews) | **[3.1 (14 ratings)](https://appshunter.io/ios/app/ogstar-reading-explore/id1433935476/reviews)** |
| Number of ratings | 7 | **14** |
| Positive reviews | 16.7% of reviews | **40.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 327 MB |
| Requires iOS | 12.2 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [OGSTAR READING, LLC](https://appshunter.io/developer/1292305759) |

## 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 |


### OgStar Reading Explore

[App page](https://appshunter.io/ios/app/ogstar-reading-explore/id1433935476)

This app introduces parents and educators to a multisensory approach for teaching children to read, write, and spell. It offers the initial lessons of a structured literacy program, allowing users to experience the methodology before purchasing the full version.

**Highlights:** Multisensory learning approach, Phonological awareness practice, Systematic/synthetic phonics, Handwriting recognition feedback, Speech recognition feedback, Progress tracking portal

**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 OgStar Reading Explore free?

OgStar Reading Explore is free to download, with no in-app purchases.

### Which has better reviews, Reading Speed/Fluency Builder or OgStar Reading Explore?

OgStar Reading Explore is rated higher. Reading Speed/Fluency Builder averages 2.3 out of 5 from 7 ratings, while OgStar Reading Explore averages 3.1 from 14 ratings.

### Do Reading Speed/Fluency Builder or OgStar Reading Explore have ads?

Neither Reading Speed/Fluency Builder nor OgStar Reading Explore shows ads.

### Which is updated more often, Reading Speed/Fluency Builder or OgStar Reading Explore?

Reading Speed/Fluency Builder ships an update every 4 months, and OgStar Reading Explore every 4 weeks. Most recently, Reading Speed/Fluency Builder was updated on October 6, 2026 and OgStar Reading Explore on October 2, 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.*