# Reading Speed/Fluency Builder vs Learn Grammar 3rd Grade

The clearest difference is rating: Learn Grammar 3rd Grade at 4.6 against Reading Speed/Fluency Builder's 2.3. Learn Grammar 3rd Grade also leads on update cadence (every 10 days vs every 4 months) and ratings volume (36 vs 7). Reading Speed/Fluency Builder's advantage is monetization model (free with in-app purchases vs subscription) and review sentiment (17% vs 0%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Speed/Fluency Builder sells 3 one-off in-app purchases and Learn Grammar 3rd Grade sells 12 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Learn Grammar 3rd Grade holds the better App Store score, 4.6 against 2.3. That said, the two scores are not equally well evidenced: Learn Grammar 3rd Grade has 36 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 17% of Reading Speed/Fluency Builder's written reviews are positive against 0% of Learn Grammar 3rd Grade's, so the app with the better star average is not the one people write more warmly about.

Reading Speed/Fluency Builder ships an update every 4 months, Learn Grammar 3rd Grade every 10 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder | Learn Grammar 3rd Grade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (7 ratings)](https://appshunter.io/ios/app/reading-speedfluency-builder/id1080258925/reviews) | **[4.6 (36 ratings)](https://appshunter.io/ios/app/learn-grammar-3rd-grade/id1570163685/reviews)** |
| Number of ratings | 7 | **36** |
| Positive reviews | **16.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 39 MB | 88 MB |
| Requires iOS | 12.2 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Class Ace LLC](https://appshunter.io/developer/1303170818) |

## 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 |


### Learn Grammar 3rd Grade

[App page](https://appshunter.io/ios/app/learn-grammar-3rd-grade/id1570163685)

This app offers interactive lessons and practice exercises designed to improve a child's grammar skills. It covers Common Core standards with adaptive questions and gamification to keep young learners engaged. A free trial is available, followed by a monthly subscription for full access.

**Highlights:** 50+ interactive lessons, Adaptive practice questions, Personalized learning, Gamification features, Text-to-speech functionality, Covers Common Core standards

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grammar 3rd Grade 3 Students | $6.99 | per month |
| Grammar 3rd Grade 5 Students | $10.99 | per month |
| Grammar 3 Monthly Parent | $14.99 | per month |
| Grammar 3rd Yearly - 1 Student | $19.99 | per year |
| Grammar 3rd Yearly 2 Students | $29.99 | per year |
| Grammar 3rd Yearly 3 Students | $39.99 | per year |
| Grammar 3rd Yearly 4 Students | $49.99 | per year |
| Grammar 3rd Yearly 5 Students | $59.99 | per year |
| Grammar 3rd Yearly 7 Students | $79.99 | per year |
| Grammar 3rd Yearly 8 Students | $89.99 | per year |
| Grammar 3rd Yearly 9 Students | $99.99 | per year |
| Grammar 3rd Yearly 10 Students | $109.99 | per year |


## Frequently asked questions

### Is Reading Speed/Fluency Builder free?

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

### Is Learn Grammar 3rd Grade free?

Learn Grammar 3rd Grade is free to download, with in-app purchases available.

### Which has better reviews, Reading Speed/Fluency Builder or Learn Grammar 3rd Grade?

Learn Grammar 3rd Grade is rated higher. Reading Speed/Fluency Builder averages 2.3 out of 5 from 7 ratings, while Learn Grammar 3rd Grade averages 4.6 from 36 ratings.

### Do Reading Speed/Fluency Builder or Learn Grammar 3rd Grade have ads?

Neither Reading Speed/Fluency Builder nor Learn Grammar 3rd Grade shows ads.

### Which is updated more often, Reading Speed/Fluency Builder or Learn Grammar 3rd Grade?

Reading Speed/Fluency Builder ships an update every 4 months, and Learn Grammar 3rd Grade every 10 days. Most recently, Reading Speed/Fluency Builder was updated on October 6, 2026 and Learn Grammar 3rd Grade 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.*