# Decodable Readers L4 Sample vs Koala Decodable Readers

The clearest difference is in-app purchases: Decodable Readers L4 Sample at none against Koala Decodable Readers's 1. Decodable Readers L4 Sample also leads on ads (none vs shown) and iOS requirement (10.2 vs 17.6). Koala Decodable Readers's advantage is update cadence (every 3 months vs every 14 months). On price and device support there is nothing between them.

Both are free to download. Koala Decodable Readers sells 1 in-app purchase, starting at $1.99 per 7 days. Decodable Readers L4 Sample asks for nothing beyond the download.

Decodable Readers L4 Sample ships an update every 14 months, Koala Decodable Readers every 3 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Decodable Readers L4 Sample | Koala Decodable Readers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 months** |
| Size | 96 MB | 11 MB |
| Requires iOS | **10.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Decodable Readers Australia](https://appshunter.io/developer/1291420175) | [MRCH CONSULTING PTY LTD](https://appshunter.io/developer/1213277168) |

## What reviewers say

### Decodable Readers L4 Sample

[App page](https://appshunter.io/ios/app/decodable-readers-l4-sample/id1450470190)

**Features:** macOS Compatibility

**In-app purchases:** none


### Koala Decodable Readers

[App page](https://appshunter.io/ios/app/koala-decodable-readers/id6744292931)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |


## Frequently asked questions

### Is Decodable Readers L4 Sample free?

Decodable Readers L4 Sample is free to download, with no in-app purchases.

### Is Koala Decodable Readers free?

Koala Decodable Readers is free to download, with in-app purchases available.

### Do Decodable Readers L4 Sample or Koala Decodable Readers have ads?

Koala Decodable Readers shows ads; Decodable Readers L4 Sample does not.

### Which is updated more often, Decodable Readers L4 Sample or Koala Decodable Readers?

Decodable Readers L4 Sample ships an update every 14 months, and Koala Decodable Readers every 3 months. Most recently, Decodable Readers L4 Sample was updated on October 12, 2026 and Koala Decodable Readers on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*