# Firemaster Smart Book vs Lydbøger

The clearest difference is update cadence: Firemaster Smart Book at every 2 months against Lydbøger's every 5 months. Lydbøger's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Firemaster Smart Book ships an update every 2 months, Lydbøger every 5 months. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Firemaster Smart Book | Lydbøger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 263 MB | 42 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Peasoup ApS](https://appshunter.io/developer/1479325709) | [Business Danmark](https://appshunter.io/developer/1538554083) |

## What reviewers say

### Firemaster Smart Book

[App page](https://appshunter.io/ios/app/firemaster-smart-book/id1507210465)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lydbøger

[App page](https://appshunter.io/ios/app/lydbger/id1538554081)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Firemaster Smart Book free?

Firemaster Smart Book is free to download, with no in-app purchases.

### Is Lydbøger free?

Lydbøger is free to download, with no in-app purchases.

### Do Firemaster Smart Book or Lydbøger have ads?

Neither Firemaster Smart Book nor Lydbøger shows ads.

### Which is updated more often, Firemaster Smart Book or Lydbøger?

Firemaster Smart Book ships an update every 2 months, and Lydbøger every 5 months. Most recently, Firemaster Smart Book was updated on September 21, 2026 and Lydbøger on September 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.*