# Koala Decodable Readers vs SmartyPrep

The clearest difference is price: Koala Decodable Readers at Free against SmartyPrep's $7.99. SmartyPrep's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Koala Decodable Readers is free to download; SmartyPrep costs $7.99 up front. Koala Decodable Readers sells 1 in-app purchase, starting at $1.99 per 7 days. SmartyPrep asks for nothing beyond the download.

Koala Decodable Readers ships an update every 3 months, SmartyPrep every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Koala Decodable Readers | SmartyPrep |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 11 MB | 67 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MRCH CONSULTING PTY LTD](https://appshunter.io/developer/1213277168) | [YIFENG JIA](https://appshunter.io/developer/1869839015) |

## What reviewers say

### 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 |


### SmartyPrep

[App page](https://appshunter.io/ios/app/smartyprep-naplan-year-3/id6757944675)

**In-app purchases:** none


## Frequently asked questions

### Is Koala Decodable Readers free?

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

### Is SmartyPrep free?

SmartyPrep costs $7.99, with no in-app purchases.

### Do Koala Decodable Readers or SmartyPrep have ads?

Koala Decodable Readers shows ads; SmartyPrep does not.

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

Koala Decodable Readers ships an update every 3 months, and SmartyPrep every 2 months. Most recently, Koala Decodable Readers was updated on October 25, 2026 and SmartyPrep on October 24, 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.*