# Reading Speed/Fluency Builder vs Firearms Knowledge Compact

The clearest difference is update cadence: Firearms Knowledge Compact at every 5 days against Reading Speed/Fluency Builder's every 4 months. Reading Speed/Fluency Builder's advantage is iOS requirement (12.2 vs 15.0). 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 Firearms Knowledge Compact sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Reading Speed/Fluency Builder ships an update every 4 months, Firearms Knowledge Compact every 5 days. The most recent releases landed on September 19, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Reading Speed/Fluency Builder | Firearms Knowledge Compact |
| --- | --- | --- |
| Price | Free | Free |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 113 MB |
| Requires iOS | **12.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Christian Hermann](https://appshunter.io/developer/1882361365) |

## 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 |


### Firearms Knowledge Compact

[App page](https://appshunter.io/ios/app/firearms-knowledge-compact/id6772994944)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waffensachkunde Komplett | $3.99 | one-time |


## Frequently asked questions

### Is Reading Speed/Fluency Builder free?

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

### Is Firearms Knowledge Compact free?

Firearms Knowledge Compact is free to download, with in-app purchases available.

### Do Reading Speed/Fluency Builder or Firearms Knowledge Compact have ads?

Neither Reading Speed/Fluency Builder nor Firearms Knowledge Compact shows ads.

### Which is updated more often, Reading Speed/Fluency Builder or Firearms Knowledge Compact?

Reading Speed/Fluency Builder ships an update every 4 months, and Firearms Knowledge Compact every 5 days. Most recently, Reading Speed/Fluency Builder was updated on September 19, 2026 and Firearms Knowledge Compact on September 30, 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.*